System, apparatus, and method for providing a sexual stimulation device

Abstract

A curvilinear reciprocating device for sexual stimulation is disclosed. The curvilinear reciprocating device has a main body; a curved stimulation member, which is configured to stimulate an erogenous zone of a human body, including a proximal end portion and a distal end portion and wherein the proximal end portion is coupled to the main body; an actuator at least partially disposed within the main body and configured to actuate the distal end portion to move from a first position away from the main body to a second position that is closer to the main body than the first position; and a rebound mechanism configured to rebound the distal end portion from the second position to the first position, thereby causing the distal end portion to reciprocate in a curvy trajectory between the first position and the second position.

Description

LiuShen Docket No. G25J26320WSYSTEM, APPARATUS, AND METHOD FOR PROVIDING A SEXUAL STIMULATION DEVICECROSS REFERENCE TO RELATED APPLICATION

[0001] This application claims priority to United States Patent Application Serial No. 19 / 260,881, filed on July 07, 2025, which is a Continuation-in-Part of co-pending U.S. Patent Application Serial No. 19 / 006,668, filed on December 31, 2024, the entire contents of which are herein incorporated by reference.TECHNICAL FIELD

[0002] The present disclosure generally relates to a system, apparatus, and method for providing a device, and more particularly to a system, apparatus, and method for providing a sexual stimulation device.

[0003] The present disclosure also relates to a stimulation device and, more specifically, to a stimulation device including a contact-maintaining stimulation component.DISCUSSION OF THE RELATED ART

[0004] Adult devices such as adult toys can be used to provide sexual stimulation to a user. For example, some adult toys provide sexual stimulation of female or male erogenous zones.

[0005] Adult toys such as toys that exist for the stimulation of female or male genitalia often include movable stimulating members. Such movable stimulating members can be driven by motors disposed in the adult toys. Significant resistance can be applied to the stimulating member during use, which can cause the motors driving the stimulating members to become blocked, jammed, or otherwise inoperative.

[0006] Accordingly, a need in the art exists for an efficient technique and apparatus for providing effective sexual stimulation such as of female or male genitalia without causing malfunction of a motor of an adult toy.

[0007] In addition, sexual stimulation devices have been developed to include a pair of stimulation components with the first stimulation component designed for bodily penetration and the second stimulation component designed for external stimulation. For example, a first stimulation component may be designed to be inserted into the vagina while the second stimulation component is designed to remain in contact with the clitoris. Such devices generally made use of a single hinge arrangement connecting the second stimulation component to the main body of the device so that as the first stimulation component is repeatedly inserted and removed, the second stimulation component is free to maintain a relatively constant position at the clitoris by the movement of the hinge.

[0008] However, this single hinge arrangement may give rise to unstable movement of the second stimulation component that may be prone to wobble laterally instead of reliably tracking the clitoris, thereby reducing the effectiveness of the device to provide the desired degree of sexual stimulation.

[0009] The exemplary disclosed system, apparatus and method for providing a sexual stimulationLiuShen Docket No. G25J26320W device are directed to overcoming one or more of the shortcomings set forth above and / or other deficiencies in existing technology.SUMMARY

[0010] In one exemplary aspect, the present disclosure is directed to a curvilinear reciprocating device for sexual stimulation. The curvilinear reciprocating device comprises a main body, a curved stimulation member, an actuator and a curved guide member. The curved stimulation member includes a curved linkage portion, which is configured to stimulate an erogenous zone of a human body, including a proximal end portion and a distal end portion and wherein the proximal end portion is coupled to the main body. The actuator is at least partially disposed within the main body and configured to actuate the distal end portion to move from a first position away from the main body to a second position that is closer to the main body than the first position. The curved guide member formed with a curvature corresponding to the curved linkage portion and configured to cause the curved stimulation member to reciprocate along an entirely curved axis. The curved linkage portion is configured to couple with the curved guide member, thereby defining the curved guide member and the curved linkage portion as a curved sliding pair. The curved stimulation member maintains a fixed curvature, defined from the distal id portion to the proximal end portion, as the distal end portion moves between the first position and the second position.

[0011] In another aspect, the present disclosure is directed to a reciprocating device for sexual stimulation. The reciprocating device comprises a main body, a curved stimulation member, an actuator and a guide member. The curved stimulation member is configured to stimulate an erogenous zone of a human body, which is includes a proximal end portion and a distal end portion and wherein the proximal end portion is coupled to the main body by a connecting member. The actuator at least partially disposed within the main body and configured to actuate the distal end portion to move from a first position away from the main body to a second position that is closer to the main body than the first position. The guide member attached to the main body and configured to movably receive the curved stimulation member so that the curved stimulation member reciprocates within the guide member along an entirely curved axis having a fixed curvature.BRIEF DESCRIPTION OF THE DRAWINGS

[0012] A more complete appreciation of the present disclosure and many of the attendant aspects thereof will be readily obtained as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein:

[0013] Fig. 1 is a perspective illustration of an exemplary system of the present invention;

[0014] Fig. 2 is another perspective illustration of the exemplary system of Fig. 1 ;

[0015] Fig. 3 is a sectional illustration of the exemplary system of Fig. 1 ;

[0016] Fig. 4 is another sectional illustration of the exemplary system of Fig. 1 ;

[0017] Fig. 5A is a perspective illustration of an exemplary system of the present invention;

[0018] Fig. 5B is another perspective illustration of the exemplary system of Fig. 5A;

[0019] Fig. 6 is a perspective illustration of an exemplary system of the present invention;LiuShen Docket No. G25J26320W

[0020] Fig. 7 is a sectional illustration of the exemplary system of Fig. 6;

[0021] Fig. 8 is an exploded perspective illustration of another exemplary system of the present invention;

[0022] Fig. 9 is an exploded perspective illustration of another exemplary system of the present invention;

[0023] Fig. 10 is a sectional illustration of the exemplary system of Fig. 9;

[0024] Fig. 11 is a schematic illustration of the exemplary disclosed system;

[0025] Fig. 12 is another schematic illustration of the exemplary disclosed system; and

[0026] Fig. 13 is a flowchart showing an exemplary process for operation of the present invention.

[0027] Fig. 14 is a plan view of a stimulation device, illustrated in an extended state, in accordance with exemplary embodiments of the present invention;

[0028] Fig. 15 is a plan view of the stimulation device in a contracted state;

[0029] Fig. 16 is a perspective view of the stimulation device in an extended state;

[0030] Fig. 17 is a perspective view of the stimulation device in a contracted state;

[0031] Fig. 18 is a cutaway plan view of the stimulation device in an extended state, in accordance with exemplary embodiments of the present disclosure;

[0032] Fig. 19 is a cutaway perspective view of a stimulation device in an extended state in accordance with exemplary embodiments of the present disclosure;

[0033] Fig. 20 is a plan view of a stimulation device in an extended state in accordance with exemplary embodiments of the present disclosure;

[0034] Fig. 21 is a plan view of a stimulation device in an intermediate state, in accordance with an exemplary embodiment of the present disclosure;

[0035] Fig. 22 is a plan view of a stimulation device in an extended state in accordance with exemplary embodiments of the present disclosure; and

[0036] Fig. 23 is a plan view of a stimulation device having an alternative coupling mechanism in accordance with exemplary embodiments of the present disclosure.DETAILED DESCRIPTION OF THE DRAWINGS

[0037] In describing exemplary embodiments of the present disclosure illustrated in the drawings, specific terminology is employed for sake of clarity. However, the present disclosure is not intended to be limited to the specific terminology so selected, and it is to be understood that each specific element includes all technical equivalents which operate in a similar manner.

[0038] Exemplary embodiments of the present disclosure according to the Figs. 1 to 13 relate to a system, apparatus and method for providing a sexual stimulation device.

[0039] As used herein, the term "curvilinear sliding pair" refers to a kinematic pairing relationship between two members in which a first member (e.g., a curved guide or sleeve) defines a non-linear, arcuate, or otherwise curvilinear guide path, and a second member (e.g., a curved linkage, stimulation member, or movable insert) is slidably, movably, or guidably received within or along the guide path such that the second member is kinematically constrained to translate and / or rotate along the predefined curvilinear axis established by the first member.

[0040] A curvilinear sliding pair thereby provides relative sliding motion between the pairedLiuShen Docket No. G25J26320W members while maintaining the relative motion along a predetermined curved trajectory, rather than a linear trajectory characteristic of a traditional prismatic or linear sliding pair. The constraint imposed by the curved guide path-including the shape, curvature radius, and cross-sectional geometry — defines the degrees of freedom permitted between the members. In certain embodiments, the movable member may also undergo limited rotational motion (e.g., lateral rotation, torsional rotation, or rotation about its own longitudinal axis) while remaining slidingly engaged with the curvilinear guide.

[0041] Figs. 1 through 4 illustrate a first exemplary embodiment (e.g., an apparatus 10) of the exemplary disclosed system, apparatus, and method. Apparatus 10 may be a reciprocating apparatus for an adult toy such as an accessory used for erotic stimulation (e.g., a sex aid or “sex toy”). Apparatus 10 may be a sexual stimulation device that may be used by a female user and / or a male user. For example, apparatus 10 may be a curved dildo or a male masturbator. In at least some exemplary embodiments, apparatus 10 may be a curvilinear-reciprocating device for sexual stimulation. Apparatus 10 may provide for reciprocal stimulation using a curved dildo.

[0042] Apparatus 10 may include a structural assembly 100 and an actuator such as a reciprocating assembly 200. Reciprocating assembly 200 may provide for reciprocation of components of structural assembly 100 as described herein. For example, reciprocating assembly 200 may provide for curvilinear reciprocation of components of structural assembly 100.

[0043] Structural assembly 100 may include a main body 105, a guide member 108, and a stimulation member 110. Stimulation member 110 may be reciprocated relative to main body 105 and guide member 108 based on an operation of reciprocating assembly 200 as described herein. Structural assembly 100 may be formed from any suitable structural material such as, for example, plastic (e.g., thermoplastic polymeric material), composite material, metal material, and / or any other suitable structural material. For example, structural assembly 100 may be formed from acrylonitrile butadiene styrene (ABS) material, polycarbonate material, PPS material, and / or any other suitable structural material.

[0044] Main body 105 and guide member 108 may house components of reciprocating assembly 200 and may movably support stimulation member 110. For example, main body 105 may house a portion of the exemplary disclosed motor of reciprocating assembly 200, and guide member 108 may house the exemplary disclosed connecting member of reciprocating assembly 200. Main body 105 and guide member 108 may be integrally formed with each other and / or attached via any suitable technique such as mechanical fasteners, adhesive, welding (e.g., plastic welding), and / or any other suitable technique. Main body 105 and guide member 108 may comprise a built-up assembly of wall members (e.g., plastic wall members) for example as illustrated in Figs. 1 through 4.

[0045] Guide member 108 may be formed as a curved sleeve that may be configured to movably receive and support stimulation member 110. Stimulation member 110 may be removably received within guide member 108 (e.g., within guide member 108 formed as a curved sleeve). Guide member 108 may have a curvilinear shape (e.g., curved or arcuate shape). For example, guide member 108 may be a hollow, curvilinear member in which correspondingly shaped stimulation member 110 is movably received and guided. Guide member 108 may be configured to causeLiuShen Docket No. G25J26320W stimulation member 110 to move along a curved axis (e.g., curvilinear guide axis Gl) as illustrated in Figs. 3, 4 and 10. For example, guide member 108 may form the fixed or guiding element of a curvilinear sliding pair, and linkage portion 120 and / or stimulation member 110 may form the movable element. Guide member 108 may be formed as a hollow, arcuate or curved sleeve that defines a curvilinear guide axis Gl, and the corresponding movable member (e.g., stimulation member 110) may be slidingly or movably received within the sleeve such that the movable member is constrained to move along and / or rotate within the curvilinear guide axis Gl defined by the sleeve. Thus, the interaction between guide member 108 and linkage portion 120 (and / or stimulation member 110) constitutes a curvilinear sliding pair as that term is used herein.

[0046] Stimulation member 110 may be structurally formed generally similarly to how base member 105 and guide member 108 are formed and may be formed from similar materials as described above. Stimulation member 110 may include a distal end portion 115 and a linkage portion 120 having a proximal end portion 125. Distal end portion 115 may be formed as a head (e.g., a dildo head). Distal end portion 115 may serve as a stimulation portion. Stimulation member 110 may have at least one replaceable stimulation portion. For example, distal end portion 115 may be a replaceable stimulation portion that may be removably attached to linkage portion 120. For example, an interior surface of the wall forming distal end portion 115 and an exterior surface of an end portion of the wall forming linkage portion 120 may include corresponding threading, fastening portions (e.g., snap-fit or press-fit components), magnetic components, adhesive, hook and loop fastener components, and / or any other suitable fasteners to provide for removable attachment of distal end portion 115 and linkage portion 120. Linkage portion 120 may have an outer diameter (e.g., exterior diameter) that may be less than an inner diameter (e.g., interior diameter) of distal end portion 115 that may be a stimulation portion. In at least some exemplary embodiments, the entire stimulation member 110 (e.g., or distal end portion 115 and linkage portion 120) may serve as a replaceable stimulation member (e.g., a replaceable dildo or male masturbator).

[0047] Proximal end portion 125 may be coupled to main body 105 and / or reciprocating assembly 200 at least partially disposed in main body 105 (e.g., via the exemplary disclosed connecting member of reciprocating assembly 200). Linkage portion 120 may be a curved linkage portion that may be formed with a curvature corresponding to guide member 108 formed as a curved sleeve. Linkage portion 120 may be configured to be inserted in (e.g., received in) guide member 108 (e.g., the curved sleeve formed by guide member 108). Linkage portion 120 may be configured to be operably rotated within guide member 108 (e.g., the exemplary disclosed sleeve) relative to guide member 108 and main body 105. For example, linkage portion 120 may be operably rotated along the exemplary disclosed curved axis and / or rotated laterally (e.g., transversely rotated or rotated about its own longitudinal axis within guide member 108). Stimulation member 110 may thereby be a curved stimulation member configured to stimulate an erogenous zone of a human body such as, for example, a vagina of a female user (e.g., or a penis of a male user). For example, stimulation member 110 may thereby be a curved dildo, male masturbator, or similar adult toy.

[0048] Reciprocating assembly 200 may be an actuator including an actuator assembly 205, a connecting member 210, and a rebound mechanism 215. Connecting member 210 may be disposedLiuShen Docket No. G25J26320W within guide member 108 and connected (e.g., attached) between actuator assembly 205 (e.g., and / or main body 105) and stimulation member 110. Linkage portion 120 may pass through a component of rebound mechanism 215 for example as described below.

[0049] Actuator assembly 205 may be disposed at least partially within main body 105 for example as illustrated in Figs. 1 through 4. Actuator assembly 205 may include a driver such as a motor 220 that may be powered by a power source (e.g., a power source 225 as illustrated in the exemplary disclosed adult toy of Fig. 10), an eccentric wheel 230, and a bearing 235. Motor 220 may be powered by power source 225 and may drive eccentric wheel 230. Bearing 235 may be operably attached to eccentric wheel 230.

[0050] Motor 220 may be any other suitable device for driving components of reciprocating assembly 200. For example, motor 220 may be any suitable electric motor. Motor 220 may be a server motor, a stepper motor, a brushless motor, and / or any other suitable type of motor. Motor 220 may be any suitable vibration motor or haptic motor such as, for example, a mini vibrator motor. Motor 220 may be a low voltage motor. Motor 220 may be a pager motor or a coin vibration motor. Motor 220 may be a linear resonant actuator or an eccentric rotating mass vibration motor. Motor 220 may be a reversible electric motor (e.g., a reversible electric motor) and / or a unidirectional motor (e.g., a one-way motor).

[0051] Power source 225 may be any suitable power source such as, for example, a battery. For example, power source 225 may be a rechargeable lithium-ion battery externally connectable to a power source (e.g., an electrical outlet, external battery, and / or any other suitable power source) via a charging contact (e.g., a magnetic charging contact). In at least some exemplary embodiments, power source 225 may be a polymer lithium battery. Power source 225 may also be a nickel-metal hydride battery, an ultracapacitor battery, a lead-acid battery, a nickel cadmium battery, or any other suitable power source.

[0052] Eccentric wheel 230 may be driven by motor 220. Eccentric wheel 230 may be for example a metal component (e.g., steel) that may be driven via an operation of motor 220. Eccentric wheel 230 may include a shaft aperture such as a shaft hole 230a that may be configured to connect to (e.g., receive) an output shaft 220a of motor 220. For example, output shaft 220a may be received in shaft hole 230a of eccentric wheel 230. Eccentric rotation of eccentric wheel 230 about output shaft 220a may convert rotary motion of output shaft 220a into reciprocating motion for driving connecting member 210 and stimulation member 110. Any other suitable component or device for converting rotary motion of output shaft 220a into reciprocating motion of connecting member 210 and stimulation member 110 may also be used such as, for example, a cam assembly, a crank mechanism (e.g., as described below), and / or any other suitable device.

[0053] Bearing 235 may be any suitable component for attaching connecting member 210 to actuator assembly 205. Bearing 235 may be formed from similar material as eccentric wheel 230. In at least some exemplary embodiments, bearing 235 may be configured to sleeve (e.g., form a sleeve) about eccentric wheel 230. For example, bearing 235 may be a fixed or rotatable bearing that is fixedly or rotatably supported by eccentric wheel 230 (e.g., bearing 235 may be fixed or rotatable relative to eccentric wheel 230).

[0054] Connecting member 210 may be a flexible connecting member that may be formed fromLiuShen Docket No. G25J26320W any suitable elastic and / or flexible material (e.g., a spring and / or a multi-joint hinge). For example, connecting member 210 may be formed from material such as elastomeric material, natural or synthetic rubber material, and / or any other suitable flexible material, for example, a chain. In at least some exemplary embodiments, connecting member 210 may be a deformable band.Connecting member 210 may include a first end portion 210a and a second end portion 210b. First end portion 210a may be a portion of connecting member 210 configured to wrap around an outside lateral wall of bearing 235. Second end portion 210b may be connected to proximal end portion 125 of stimulation member 110 (e.g., of linkage portion 120). For example, second end portion 210b of connecting member 210 may be fastened to proximal end portion 125 of stimulation member 110 (e.g., of linkage portion 120) via a fastener 210c (e.g., such as a bolt, screw, or any other suitable mechanical fastener), adhesive, welding, and / or any other suitable attachment technique for example as described herein. Connecting member 210 being attached to stimulation member 110 (e.g., of linkage portion 120) may retain stimulation member 110 in guide member 108 as stimulation member 110 is caused to reciprocate relative to guide member 108 and main body 105 via an operation of reciprocating assembly 200. In at least some exemplary embodiments, motor 220 of reciprocating assembly 200 (e.g., and / or main body 105) may be coupled to linkage portion 120 by connecting member 210 that may serve as a deformable linkage passing through guide member 108 (e.g., the exemplary disclosed sleeve). In cases involving significant resistance during a use of the exemplary disclosed apparatus, flexible connecting member 210 may provide for motor 220 to not be blocked or jammed.

[0055] Rebound mechanism 215 may be any suitable biasing component for urging or biasing linkage portion 120 and distal end portion 115 away from guide member 108 and main body 105. Rebound mechanism 215 may be any suitable biasing member such as, for example, an elastic or flexible member. Rebound mechanism 215 may be a spring, an elastomeric or rubber member, or any other suitable material or member for biasing linkage portion 120 and distal end portion 115 away from guide member 108 and main body 105. Rebound mechanism 215 may include (e.g., may or include or may be) a coil spring 215a. In at least some exemplary embodiments, rebound mechanism 215 may be a metal coil spring (e.g., a stainless steel spring) or a spring formed from any other suitable material for deforming to store potential energy. Linkage portion 120 that may be a curved linkage portion may be configured to be received in rebound mechanism 215. For example, linkage portion 120 may be configured to pass through coil spring 215a of rebound mechanism 215 for example as illustrated in Figs. 1 through 4. After linkage portion 120 is inserted into rebound mechanism 215, both linkage portion 120 and rebound mechanism 215 may be inserted in guide member 108. Rebound mechanism 215 may be disposed and maintained in place between distal end portion 115 and an end portion of guide member 108 for example as illustrated in Figs. 3 and 4. Connecting member 210 being attached to linkage portion 120 and thereby retaining stimulation member 110 in guide member 108 may also serve to maintain rebound mechanism 215 in place between distal end portion 115 and guide member 108 (e.g., and main body 105). Rebound mechanism 215 may provide a rebounding action of stimulation member 110 for example as described further below.

[0056] In at least some exemplary embodiments, rebound mechanism 215 may comprise a pluralityLiuShen Docket No. G25J26320W of magnetic components. For example, one or more coil springs 215a may be configured as magnetic components that may create repulsive force (e.g., repulsive magnetic force) between them. This repulsive magnetic force may provide the exemplary disclosed rebounding action described below (e.g., similar to the exemplary disclosed rebounding action provided by coil spring 215a described below).

[0057] Apparatus 10 may be included in any suitable adult toy. For example, apparatus 10 may be included in an adult toy 50 for example as illustrated in Figs. 5A and 5B, and may operate to cause a reciprocating action in adult toy 50. The other embodiments of the exemplary disclosed apparatus described below may alternatively be included in adult toy 50. Apparatus 10 (e.g., or the other embodiments of the exemplary disclosed apparatus described below) may also be included in the exemplary disclosed accessories (e.g., adult toys) described below regarding Figs. 11 and 12).

[0058] Figs. 6 and 7 illustrate another exemplary embodiment of the exemplary disclosed apparatus. An apparatus 10a may be utilized in linear reciprocating stimulation devices (e.g., linear reciprocating adult toys). Apparatus 10a may include a structural assembly 100a that may be generally similar to structural assembly 100 and a reciprocating assembly 200a that may be generally similar to reciprocating assembly 200. Structural assembly 100a may include a main body 105a, a guide member 108a, and a stimulation member 110a having a linkage portion 120a that may be generally similar, respectively, to main body 105, guide member 108, and stimulation member 110 having linkage portion 120. Reciprocating assembly 200a may include a connecting member 211a that may be similar to connecting member 210 and a rebound mechanism 216a that may be similar to rebound mechanism 215.

[0059] Guide member 108a and linkage portion 120a may be configured as substantially straight (e.g., linear) components. For example, linkage portion 120a may be a substantially straight linkage portion that may be received in guide member 108a similar to as described above regarding linkage portion 120 and guide member 108. Stimulation member 110a may thereby be a relatively straight stimulation member having a relatively straight linkage portion 120a that may reciprocate with relatively straight linear motion relative to relatively straight guide member 108a.

[0060] Fig. 8 illustrates another exemplary embodiment of the exemplary disclosed apparatus. An apparatus 10b may include a structural assembly 100b that may be generally similar to structural assembly 100 and a reciprocating assembly 200b that may be generally similar to reciprocating assembly 200. Structural assembly 100b may include a main body 105b, a guide member 108b, and a stimulation member 110b that may be generally similar to main body 105, guide member 108, and stimulation member 110, respectively. Reciprocating assembly 200b may include a connecting member assembly 21 lb that may include a plurality of multi-connecting rods. For example, connecting member assembly 211b may include a first connecting rod 213b and a second connecting rod 216b. First connecting rod 213b may be operably connected (e.g., hinged or hinge-connected) with a crank of connecting member assembly 21 lb to define a first rotation axis 214b. Second connecting rod 216b may be operably connected (e.g., hinged or hinge -connected) with a linkage portion (e.g., similar to linkage portion 120) of stimulation member 110b to define a second rotation axis 217b. First rotation axis 214b may be substantially perpendicular to second rotation axis 217b. The crank of connecting member assembly 211b may drive rotation of first connectingLiuShen Docket No. G25J26320W rod 213b about first rotation axis 214b and rotation of second connecting rod 216b about second rotation axis 217b, thereby converting rotary motion of the motor (e.g., that may be similar to motor 220) of reciprocating assembly 200b into reciprocating motion for driving stimulation member 110b. In cases involving significant resistance during a use of the exemplary disclosed apparatus, connecting member assembly 211b may provide for the exemplary disclosed motor not to be blocked or jammed.

[0061] Figs. 9 and 10 illustrate another exemplary embodiment of the exemplary disclosed apparatus. An apparatus 10c may include a structural assembly 100c that may be generally similar to structural assembly 100 and a reciprocating assembly 200c that may be generally similar to reciprocating assembly 200. Structural assembly 100c may include a main body 105c, a guide member 108c, and a stimulation member 110c that may be generally similar to main body 105, guide member 108, and stimulation member 110, respectively. Reciprocating assembly 200c may include a connecting member assembly 211c that may include a plurality of multi -connecting rods (e.g., three connecting rods) and a rebound mechanism (e.g., including a coil 215c) that may be generally similar to rebound mechanism 215. Connecting member assembly 211c may include a first connecting rod 213c, a second connecting rod 216c, and a third connecting rod 218c. First connecting rod 213c may be operably connected (e.g., hinged or hinge -connected) with a crank 212c of connecting member assembly 211c to define a first rotation axis 214c. Second connecting rod 216c may be operably connected (e.g., hinged or hinge -connected) with third connecting rod 218c. Third connecting rod 218c may be operably connected (e.g., hinged or hinge -connected) with a linkage portion (e.g., similar to linkage portion 120) of stimulation member 110c to define a second rotation axis 217c. First rotation axis 214c may be substantially perpendicular to second rotation axis 217c. Crank 212c of connecting member assembly 211c may drive rotation of first connecting rod 213c, second connecting rod 216c, and third connecting rod 218c similarly to as described above regarding connecting member assembly 211b, thereby converting rotary motion of the motor (e.g., that may be similar to motor 220) of reciprocating assembly 200c into reciprocating motion for driving stimulation member 110c.

[0062] Fig. 11 illustrates an exemplary system 1300 for controlling one or more female accessories 1315 that may be similar to the exemplary disclosed sexual stimulation device (e.g., including apparatus 10, 10a, 10b, or 10c) described above and one or more male accessories that may also be similar to the exemplary disclosed sexual stimulation device (e.g., including apparatus 10, 10a, 10b, or 10c). For example, the exemplary disclosed adult toy having apparatus 10, 10a, 10b, or 10c may be included as female accessory 1315 and / or male accessory 1308 in system 1300. System 1300 may include one or more female user devices 1310, one or more female accessories 1315 (e.g., that may include an apparatus similar to apparatus 10, 10a, 10b, or 10c described above), one or more male user devices 1305, and / or one or more male accessories 1308 (e.g., that may include an apparatus similar to apparatus 10, 10a, 10b, or 10c described above, such as male accessories including male adult toys, for example, rings, strokers, vibrators, plugs, or any other suitable accessory). Female accessories 1315 and male accessories 1308 may be used by one or more users 1325 such as female and / or male users. Data such as image data, audio data, and / or control data may be transferred between male user devices 1305, male accessories 1308, female user devicesLiuShen Docket No. G25J26320W 1310, and female accessories 1315.

[0063] System 300 may include any desired number of female user devices 1310 (e.g., Bl, B2, ... Bn) and / or similarly include any desired number of male user devices 1305. Female user device 1310 may be any suitable device for interfacing with other components of system 1300 such as a computing device (e.g., user interface). For example, female user device 1310 may be any suitable user interface for receiving input and / or providing output (e.g., image data) to user 1325. Female user device 1310 may include a camera and a microphone. Female user device 1310 may be, for example, a touchscreen device (e.g., of a smartphone, a tablet, a smartboard, and / or any suitable computer device), a wearable device, a computer keyboard and monitor (e.g., desktop or laptop), an audio-based device for entering input and / or receiving output via sound, a tactile-based device for entering input and receiving output based on touch or feel, a dedicated user interface designed to work specifically with other components of system 1300, and / or any other suitable user interface. For example, female user device 1310 may include a touchscreen device of a smartphone or handheld tablet. For example, female user device 1310 may include a display (e.g., a computing device display, a touchscreen display, and / or any other suitable type of display) that may provide output, image data, and / or any other desired output or input prompt to a user. For example, the exemplary display may include a graphical user interface to facilitate entry of input by a user and / or receiving output such as image data. Any suitable application and / or web browser (e.g., for controlling female accessory 1315 that may include an apparatus similar to apparatus 10, 10a, 10b, or 10c, and / or male accessory 1308 may be similarly controlled) may be installed on female user device 1310 and utilized by user 1325.

[0064] As illustrated in Fig. 12, female user device 1310 may include a sensor array 1306. Sensor array 1306 may sense data that may be transferred to and / or used in the operation of female accessory 1315 that may include an apparatus similar to apparatus 10, 10a, 10b, or 10c (e.g., and / or male accessory 1308 that may include an apparatus similar to apparatus 10, 10a, 10b, or 10c). In at least some exemplary embodiments, sensor array 1306 may include one or more sensors integrated or built into the exemplary disclosed user device such as, for example, a mobile phone, a pad, or a wearable device. Sensor array 1306 may include any suitable sensors for use with system 1300 such as, for example, a location sensor 1306a and a movement sensor 1306b. Location sensor 1306a may include a GPS device, a Galileo device, a GLONASS device, an IRNSS device, a BeiDou device, and / or any other suitable device that may operate with a global navigation system.

[0065] Movement sensor 1306b may include any suitable components for sensing motion (e.g., motion amplitude), velocity, and / or acceleration. Movement sensor 1306b may include an acceleration sensor. Movement sensor 1306b may include a gyroscope. For example, movement sensor 1306b may include a displacement sensor, a velocity sensor, and / or an accelerometer. For example, movement sensor 1306b may include components such as a servo accelerometer, a piezoelectric accelerometer, a potentiometric accelerometer, and / or a strain gauge accelerometer. Movement sensor 1306b may include a piezoelectric velocity sensor or any other suitable type of velocity or acceleration sensor.

[0066] Returning to Fig. 11, system 1300 may include any desired number of male user devices 1305. Male user device 1305 may be similar to female user device 1310. Any desired number ofLiuShen Docket No. G25J26320W female user devices 1310 and / or male user devices 1305 may be operated by corresponding users 1325 (e.g., female users, male users, and / or any other users).

[0067] Returning to Fig. 12, female accessory 1315 may include a controller 1319 that may be any suitable computing device for controlling an operation of motors of female accessory 1315 and a communication device 1318. For example, controller 1319 and / or communication device 1318 may be provided in the exemplary disclosed adult toy having apparatus 10, 10a, 10b, or 10c. Controller 1319 may include for example a processor (e.g., micro-processing logic control device) or board components. Controller 1319 may control one or more motors based on input data and / or commands (e.g., control commands) received from female user device 1310 (e.g., and / or male user device 1305) via a network 1330 and / or communication device 1318 (e.g., transferred directly to communication device 1318 by any suitable component of system 1300). Motors (e.g., similar to motor 220) of female accessory 1315 may be controlled by controller 1319 to vibrate female accessory 1315 (e.g., an adult toy having apparatus 10, 10a, 10b, or 10c) at a desired level or strength, perform a suction operation at a desired level or strength using female accessory 1315 (e.g., using female accessory 1315 as a suction device), and / or cause female accessory 315 to perform any other suitable action or function.

[0068] Network 1330 may be any suitable communication network over which data may be transferred between one or more female user devices 1310, one or more female accessories 1315, one or more male user devices 1305, and / or one or more male accessories 1308. Network 1330 may be the internet, a LAN (e.g., via Ethernet LAN), a WAN, a WiFi network, or any other suitable network. The components of system 1300 may also be directly connected (e.g., by wire, cable, USB connection, and / or any other suitable electro-mechanical connection) to each other and / or connected via network 1330. For example, components of system 1300 may wirelessly transmit data by any suitable technique such as, e.g., wirelessly transmitting data via 4G LTE networks (e.g., or 5G networks) or any other suitable data transmission technique for example via network communication. Female user devices 1310, female accessories 1315, male user devices 1305, and / or male accessories 1308 may include any suitable communication components for communicating with other components of system 1300 using for example the communication techniques described herein. For example, female user devices 1310 and male user devices 1305 may include integrally formed communication devices (e.g., smartphone components), and female accessories 315 and male accessories 1308 may each include communication device 1318 that may communicate using any of the exemplary disclosed communication techniques.

[0069] In at least some exemplary embodiments, a given female accessory 1315 may communicate with a given female user device 1310 (e.g., a paired female user device 1310) via any suitable short distance communication technique. For example, female accessories 1315 (e.g., via communication device 1318) and female user devices 1310 may communicate via WiFi, Bluetooth, ZigBee, NFC, IrDA, and / or any other suitable short distance technique. Female accessory 1315 may be an adult toy that may be connected with female user device 1310 through short distance wireless communication. An application (e.g., operating using the exemplary disclosed modules) may be installed on female user device 1310, the application and female user device 1310 being configured to send commands to female accessory 1315 to drive (e.g., actuate) female accessory 1315. MaleLiuShen Docket No. G25J26320W accessory 1308 may communicate with male user device 1305 similarly to the communication of female accessory 1315 and female user device 1310 described above.

[0070] System 1300 may include one or modules for performing the exemplary disclosed operations. The one or more modules may include an accessory control module for controlling female accessory 1315 and male accessory 1308. The one or more modules may be stored and operated by any suitable components of system 1300 (e.g., including processor components) such as, for example, network 1330, female user device 1310, female accessory 1315, male user device 1305, male accessory 1308, and / or any other suitable component of system 1300. For example, system 1300 may include one or more modules having computer-executable code stored in nonvolatile memory. System 1300 may also include one or more storages (e.g., buffer storages). The exemplary disclosed buffer storage may be implemented in software and / or a fixed memory location in hardware of system 1300. The exemplary disclosed buffer storage (e.g., a data buffer) may store data temporarily during an operation of system 1300.

[0071] System 1300 may also include one or more imaging devices that may be any suitable imaging device such as a camera. For example, the exemplary disclosed imaging device may be any suitable video camera such as a digital video camera, a webcam, and / or any other suitable camera for recording visual data (e.g., recording a video or taking pictures) and / or image recognition. The exemplary disclosed imaging device may be a 3D camera, a headset that may be worn by a user, a spatial computing device (e.g., a spatial computer), a three-dimensional video sensor or camera, a camera of the exemplary disclosed user devices described above, a stereoscopic camera (e.g., and / or any other suitable device for stereo photography, stereo videography, and / or stereoscopic vision), and / or any other suitable type of imaging devices.

[0072] System 1300 may also include one or more wearable devices that may be any suitable device for allowing a user to control system 1300 based on user actions (e.g., movements and / or gestures). The exemplary disclosed wearable device may be any suitable motion detection device, a smart device (e.g., a smart wristband, smart glove, or one or more smart rings that may be worn by a user) and that may communicate with components of system 1300 via any of the exemplary disclosed communication techniques. The exemplary disclosed wearable device may include any suitable motion and / or position sensors that may communicate with the exemplary disclosed user devices or any other suitable component of system 1300. In at least some exemplary embodiments, the exemplary disclosed wearable device may be detected and / or tracked by the exemplary disclosed imaging device or may operate to sense user actions (e.g., gestures) without an imaging device.

[0073] The exemplary disclosed sexual stimulation device described above (e.g., female accessory 1315 and / or male accessory 1308 that may have an apparatus similar to apparatus 10, 10a, 10b, or 10c described above regarding Figs. 1 through 10) may operate together with the above described components of system 1300. For example, the exemplary disclosed sexual stimulation device may operate in conjunction with one or more female user devices 1310, male user devices 1305, male accessories 1308, female accessories 1315, the exemplary disclosed modules, the exemplary disclosed imaging device, the exemplary disclosed wearable device, and / or any other suitable components.LiuShen Docket No. G25J26320W

[0074] The exemplary disclosed system, apparatus, and method may be used in any suitable application for providing sexual stimulation. The exemplary disclosed system, apparatus, and method may be used in any suitable application for providing an adult toy. For example, the exemplary disclosed system, apparatus, and method may be used in any suitable application for providing a female sex toy or a male sex toy. The exemplary disclosed system, apparatus, and method may be used in any suitable application for providing a reciprocating sex toy.

[0075] Fig. 13 illustrates an exemplary process of using the exemplary disclosed system and apparatus. Process 1400 begins at step 1405. At step 1410, the exemplary disclosed apparatus (e.g., apparatus 10, 10a, 10b, or 10c) included in the exemplary disclosed adult toy (e.g., adult toy 50, male accessory 1308, or female accessory 1315) may be configured (e.g., by a user and / or based on operation of modules and / or predetermined operation of system 1300). For example, the exemplary disclosed apparatus may be configured to operate in conjunction with other exemplary disclosed adult toys (e.g., adult toy 50, male accessory 1308, or female accessory 1315), the exemplary disclosed modules, the exemplary disclosed imaging device, the exemplary disclosed wearable device, and / or any other suitable components (e.g., of system 1300).

[0076] At step 1415, a user (e.g., user 1325) may utilize the exemplary disclosed apparatus for example for sexual stimulation. The exemplary disclosed apparatus may provide reciprocating action in the exemplary disclosed adult toy for example as described below.

[0077] Apparatus 10 may operate to provide reciprocating action (e.g., of stimulation member 110 of structural assembly 100) based on an operation of reciprocating assembly 200. Motor 220 may operate to rotatably drive output shaft 220a, which may also rotatably drive eccentric wheel 230 based on output shaft 220a being received in shaft hole 230a of eccentric wheel 230. Eccentric wheel 230 may be eccentrically rotated about output shaft 220a, which may thereby actuate connecting member 210 based on first end portion 210a being attached to bearing 235 (e.g., wrapped around an outside lateral wall of bearing 235), which may be rotatably attached to eccentric wheel 230, as described above (e.g., bearing 235 may be rotatably attached to eccentric wheel 230, and / or first end portion 210a may be rotatable about bearing 235). Torque may be applied to connecting member 210 based on a rotation of eccentric wheel 230. Based on this actuation, first end portion 210a of connecting member 210 may be moved between a first position disposed relatively closer to guide member 108 as illustrated in Fig. 3, and a second position disposed relatively further from guide member 108 as illustrated in Fig. 4. The result may be a reciprocating action of connecting member 210 within the exemplary disclosed sleeve (e.g., guide member 108) as illustrated in Figs. 3 and 4. Based on the attachment of connecting member 210 to stimulation member 110 as described above, stimulation member 110 may similarly be reciprocated between a first position (e.g., extended position) as illustrated in Fig. 3 and a second position (e.g., retracted position) as illustrated in Fig. 4 based on operation of motor 220.

[0078] When stimulation member 110 is in the second position (e.g., retracted position) illustrated in Fig. 4, rebound mechanism 215 (e.g., coil spring 215a) may be compressed, thereby storing potential energy. As motor 220 continues to eccentrically rotate eccentric wheel 230, first end portion 210a of connecting member 210 may move back toward guide member 108, which may cause rebound mechanism 215 (e.g., coil spring 215a) to extend (e.g., decompress) and therebyLiuShen Docket No. G25J26320W release potential energy. The release of potential energy (e.g., based on the resilience of coil spring 215a) may cause flexible connecting member 210 to rebound, thereby moving stimulation member 110 from the second position (e.g., retracted position) of Fig. 4 back to the first position (e.g., extended position) of Fig. 3. Based on the rebounding action, distal end portion 115 of stimulation member 110 may follow a curvy trajectory (e.g., curvilinear, curved, and / or irregularly rebounding trajectory). The curvy trajectory may for example include a variable acceleration and / or a variable trajectory (e.g., rebounding and / or bouncing) of distal end portion 115. Also based on the actuation and / or rebounding provided by reciprocating assembly 200, connecting member 210 and / or stimulation member 110 including distal end portion 115 may be rotated relative to main body 105 and guide member 108 (e.g., rotated within and / or relative to guide member 108).

[0079] The exemplary disclosed motion may iteratively continue as apparatus 10 is reciprocated between the second position (e.g., retracted position) of Fig. 4 and the first position (e.g., extended position) of Fig. 3 based on operation of reciprocating assembly 200. In at least some exemplary embodiments, an actuator (e.g., reciprocating assembly 200 including motor 220) may be configured to drive distal end portion 115 of stimulation member 110 to move from the first position (e.g., extended position) as illustrated in Fig. 3 disposed away from main body 105 to the second position (e.g., retracted position) relatively proximate (e.g., closer to) main body 105 as illustrated in Fig. 4. Rebound mechanism 215 may provide a rebounding action based on the resilience of coil spring 215a or repulsive force between magnetic components as described above. Rebound mechanism 215 may be configured to rebound distal end portion 115 from the second position (e.g., retracted position) of Fig. 4 to the first position (e.g., extended position) of Fig. 3, thereby causing distal end portion 115 to reciprocate in a curvy trajectory (e.g., curvilinear, curved, and / or irregular rebounding trajectory) between the second position and the first position (e.g., and between the first position and the second position).

[0080] Also for example, during the reciprocating and / or rebounding action, linkage portion 120 may rotate within the exemplary disclosed sleeve (e.g., guide member 108).

[0081] Also for example, based on the rebounding action of rebound mechanism 215, stimulation member 110 may have a varying acceleration (e.g., different acceleration rates, for example different acceleration values) when moving in a first direction (e.g., defined by movement of distal end portion 115 of stimulation member 110 from the first position of Fig. 3 to the second position of Fig. 4) and a second direction (e.g., defined by movement of distal end portion 115 of stimulation member 110 from the second position of Fig. 4 to the first position of Fig. 3). For example, the rebounding action of rebound mechanism 215 may cause the acceleration in the first direction to be different from the acceleration in the second direction (e.g. the acceleration in the second direction may be greater than the acceleration in the first direction).

[0082] In at least some exemplary embodiments, flexible connecting member 210 may be alternately pulled and loosened (e.g., periodically pulled and loosened) as motor 220 rotates to drive eccentric wheel 230 so that coil spring 215a of rebound mechanism 215 alternates (e.g., periodically switches) between a compressed state as illustrated in Fig. 4 and an extended state as illustrated in Fig. 3. Motor 220 may rotatably drive eccentric wheel 230 to rotate through a 0 degree position and a 180 degree position as illustrated in Figs. 3 and 4, thereby applying torque to flexible connectingLiuShen Docket No. G25J26320W member 210 via eccentric wheel 230 so that flexible connecting member 210 pulls distal end portion 115 of stimulation member 110 toward the second position (e.g., retracted position) of Fig.4. Coil spring 215a, which may be compressed in the second position (e.g., retracted position) of Fig. 4, may be configured to release at least a portion of its stored elastic potential energy as eccentric wheel 230 rotates more than 180 degrees (e.g. rotates past the second position of Fig. 4), thereby causing distal end portion 115 of stimulation member 110 to spring back in the direction of the first position of Fig. 3. Also for example, coil spring 215a, which may be compressed in the second position (e.g., retracted position) of Fig. 4, may be configured to release at least a portion of its stored elastic potential energy as eccentric wheel 230 rotates more than 180 degrees (e.g. rotates past the second position of Fig. 4), and motor 220 may be configured to reduce a release of elastic potential energy from compressed coil spring 215a as a rotational speed of motor 220 may be increased, thereby adjusting a reciprocating motion stroke of stimulation member 110 (e.g., a movement of stimulation member 110 between the first and second positions). For example, adjusting a speed of motor 220 by the exemplary disclosed controller may adjust a reciprocating motion stroke of stimulation member 110.

[0083] Returning to Figs. 6 and 7, apparatus 10a may operate to provide reciprocating action (e.g., of stimulation member 110a of structural assembly 100a) based on an operation of reciprocating assembly 200a similarly to as described above regarding an operation of apparatus 10. Stimulation member 110a may be actuated in a linear trajectory based on the configuration of guide member 108a and stimulation member 110a for example as described above. Rebound mechanism 216a may be configured to rebound the distal end portion of stimulation member 110a in the second direction from the second position (e.g., similar to Fig. 4) to the first position (e.g., similar to Fig. 3), thereby causing distal end portion 115 to reciprocate in a linear trajectory between the first position and the second position.

[0084] Returning to Figs. 8 through 10, apparatus 10b and apparatus 10c may operate to provide reciprocating action (e.g., of respective stimulation members 110b and 110c) based on an operation of respective reciprocating assemblies 200b and 200c similarly to as described above regarding an operation of apparatus 10. An operation of respective connecting member assemblies 211b and 211c may provide generally similar conversion of rotary motion to reciprocating motion as described above regarding connecting member 210.

[0085] The exemplary disclosed adult toys (e.g., adult toy 50, male accessory 1308, or female accessory 1315) may be utilized by a user based on the exemplary disclosed operation described above regarding the exemplary disclosed apparatuses (e.g., apparatus 10, 10a, 10b, or 10c) included in the exemplary disclosed adult toys. Users may utilize the exemplary disclosed adult toys using the exemplary disclosed reciprocating action of the exemplary disclosed apparatuses with system 1300 as desired.

[0086] Returning to Fig. 13 at step 1420, it may be determined whether an operation of the exemplary disclosed apparatus is to be adjusted. If the operation is to be adjusted, process 1400 proceeds to step 1425.

[0087] At step 1425, operation may be adjusted by the user and / or the exemplary disclosed system. For example, the user may adjust operation of the exemplary disclosed apparatus via input providedLiuShen Docket No. G25J26320W to the apparatus via one or more input components (e.g., similar to one or more input components 60 such as buttons, dials, a touchscreen device, and / or any other suitable input components, for example as illustrated in Figs. 5 A and 5B). Returning to Fig. 13, operation of the exemplary disclosed apparatus may also be adjusted based on the exemplary disclosed modules and / or controllers described above. For example, system 1300 may automatically adjust an operation of apparatus 10 based on predetermined criteria such as a predetermined time period and / or tips or other criteria provided by the user (e.g., and / or other users of system 1300), algorithms of system 1300, and / or any other suitable criteria. Process 1400 may then return to step 1415 for further utilization. As many iterations as desired of steps 1415 through 1425 may be performed.

[0088] If it is determined at step 1420 that no adjustment is to be made, process 1400 proceeds to step 1430. At step 1430, it may be determined whether use is to be continued based on any suitable criteria such as, for example, input provided by the user via the one or more exemplary disclosed input components, control by system 1300 (e.g., similar to criteria described above regarding step 1525), and / or any other suitable criteria. If the operation is to be continued, process 1400 returns to step 1415 (e.g., or to step 1410 if the exemplary disclosed apparatus is to be reconfigured). As many iterations as desired of steps 1410 through 1430 may be performed. If use is not to be continued, process 1400 ends at step 1435.

[0089] Exemplary embodiments of the present disclosure according to the Figs. 14 to 23 relate to a sexual stimulation device in which there is a first stimulation component configured to be repeatedly inserted into and removed from a bodily orifice of a user, in a reciprocating manner, such as the vagina or anus, while a second stimulation component makes use of a specialized coupling that permits the second stimulation component to maintain a relatively stable location at an exterior of the body of the user, such as at a clitoris or perineum without lateral wobbling of known arrangements.

[0090] The reciprocating manner of movement may be provided either by the user manually pushing and pulling upon the device or by an electric reciprocating motor disposed therein.

[0091] This specialized coupling may employ such elements as a resilient mechanism, a sliding pair design, and a flexible covering that may be used individually or in combination with one another. The resilient mechanism is a system that stores and releases elastic potential energy such as mechanical potential energy, magnetic potential energy, etc. while reducing undesirable lateral movement.

[0092] The sliding pair design guides the second stimulation component along a controlled and predictable path that may be linear, curved, planar, etc., thereby reducing undesirable lateral movement. This path may be referred to herein as a motion trajectory, as it may be a path in three-dimensional space that the second stimulation component is confined to follow both backwards and forwards.

[0093] In the present disclosure, a sliding pair — a form of A-type kinematic pair — is employed to constrain the motion of the second stimulation component along a defined path. A sliding pair permits predominantly linear translational movement between two components while restricting rotational motion, thereby limiting the system to a single degree of freedom. This controlled movement path, or motion trajectory, may be linear, curved, or otherwise planar in nature.LiuShen Docket No. G25J26320W

[0094] The sliding pair may be formed not only between the elongate rod and the sleeve, but also between other corresponding components — for example, between the first stimulation component and an internal guide rail, between the sleeve and an internal track surface, or between a collar and the elongate rod. Regardless of the specific components, such sliding engagement ensures precise, low-friction guidance of the second stimulation component along a controlled path.

[0095] Preferably, this motion trajectory is maintained substantially within a single plane, so that the stimulating end of the second stimulation component remains in continuous contact with an external erogenous zone of the human body (e.g., the clitoris) without relative slipping. This structural configuration ensures that, as the first stimulation component performs a reciprocating motion within a bodily orifice (such as the vagina), the second stimulation component follows this motion in synchrony — thereby enabling the stimulating end to deliver continuous, effective stimulation to the external erogenous zone in coordination with the internal reciprocation of the first stimulation component.

[0096] Moreover, by employing a sliding pair structure, the stimulation delivered by the second stimulation component to the clitoris is provided in the form of tip stimulation, rather than through a broader head-face (end-face) contact. This design ensures a smaller contact area, which enables greater compressive stress to be applied to the erogenous zone while still maintaining stable and consistent contact. This combination of focused pressure and positional stability enhances the stimulation intensity and precision, offering improved effectiveness over conventional designs that rely on larger contact surfaces.

[0097] The flexible covering may provide both protection for the device as well as provide means of storing elastic potential energy that may be combined with internal means for storing elastic potential energy, internal means for storing magnetic potential energy, etc.

[0098] By combining one or more of these elements, an improved user experience may be provided that is able to keep consistent stimulation pressure to a more precise anatomical location for better comfort and effectiveness during use.

[0099] Fig. 14 is a plan view of a stimulation device, illustrated in an extended state, in accordance with exemplary embodiments of the present invention. As can be appreciated from this figure, the stimulation device 10 includes a main body, the main body includes a handle 12 arrange at the bottom thereof, an elongate rod 13 connected thereto in a stationary coupling and a first stimulation component 16 is connected to an opposite side of the elongate rod 13 from the handle 12, also with a stationary coupling. Together, the handle 12 and the first stimulation component 16 may form a main body of the stimulation device 10 and the elongate rod 13 that connects the handle 12 to the first stimulation component 16 may also be considered as part of the main body.

[0100] The first stimulation component 16 may be configured to be inserted into a bodily orifice of the user, such as the vagina or anus.

[0101] A sleeve 15 may be disposed about the elongate rod 13, coaxially thereto, such that the sleeve may slide backward toward the handle 12 and forward toward the first stimulation component 16 along a motion trajectory which is defined by an axis of the elongate rod 13. While the sleeve 15 may be free to move forward and backward, it may be constrained in its lateral motion so that it either does not twist or twists according to a predetermined path.LiuShen Docket No. G25J26320W

[0102] The sleeve 15 about the elongate rod 13 may together be considered a coupling mechanism as this configuration couples a second stimulation component 17 to the handle 12.

[0103] Means may be utilized to store potential energy as the sleeve 15 slides forward and backward, for example, as the sleeve slides backwards towards the handle 12, for example by inserting the first stimulation component 16 into an orifice of the user such as a vagina or anus, potential energy may be stored by way of these means. For example, these means may be instantiated as a helical spring 14 that is wound about the elongate rod 13 in a concentric manner. Thus, as the sleeve 15 is pushed backwards towards the handle 12 during insertion, the helical spring 14 coils more tightly thereby storing potential energy and as the first stimulation component 16 is withdrawn from the orifice, the stored potential energy may be released and the sleeve 15 may travel forwards towards the first stimulation component 16.

[0104] The helical spring 14, and the other springs shown and described herein may be instantiated as conventional restoring mechanical springs or may be instantiated as magnetic springs that utilize magnetic repulsion to store potential energy. The magnetic spring may function by using like poles of magnets that repel each other, creating a force that may store potential energy as the stimulation end moves along the motion trajectory. This configuration may offer a more flexible and durable solution by eliminating the need for traditional coil springs and may enhance the responsiveness and smoothness of motion.

[0105] Thus, the helical spring 14, as well as comparable magnetic or elastic force restorers, may be considered to be resilient elements as they may act to return to their prior shape after being defined under mechanical stress.

[0106] The second stimulation component 17 may be fixedly connected to the sleeve 15 such that as the second stimulation component 17 moves forward and backward during insertion and withdrawal, the second stimulation component 17 moves along with it, thereby retaining a fixed position with respect to an external anatomical landmark of the user, such as a clitoris.

[0107] The second stimulation component 17 may have a stimulation end that is configured to stimulate an erogenous zone of a user, the erogenous zone being proximate to the bodily orifice. The erogenous zone may be, for example, the clitoris.

[0108] This arrangement in which the second stimulation component 17 is confined to a consistent contact area with the user’s anatomy may allow for the contact surface between the stimulation end and the user’s skin to remain substantially unchanged during operation, which may ensure continuous and uniform stimulation, avoiding irritation or discomfort.

[0109] The contact surface between the stimulation end and the user’s skin may remain substantially unchanged during operation, which may ensure continuous and uniform stimulation, avoiding irritation or discomfort.

[0110] Fig. 15 is a plan view of the stimulation device 10 of Fig. 14 in a contracted state. To the extent that an element is not described in detail with respect to this or another figure, it may be understood that the element is at least similar to a corresponding element that has been described elsewhere within the present disclosure. In this state, the sleeve 15 is maximally pressed up against the handle 12 and the helical spring 14 is in a maximal state of compression storing a maximum level of potential energy. This state may be achieved by maximal insertion of the first stimulationLiuShen Docket No. G25J26320W component 16 into the bodily orifice of the user. The second stimulation component 17 maintains its fixed position relative to the orifice of the user such as to maintain contact with the clitoris throughout the entire insertion phase. In this state, as the first stimulation component 16 is withdrawn from the orifice, the second stimulation component 17, which was held in place against the external anatomy, remains in its fixed position even as the helical spring 14 relaxes and the sleeve 15 is pushed in the forward direction, toward the first stimulation component 16, by the release of the stored potential energy that is stored within the helical spring 14.

[0111] Fig. 16 is a perspective view of the stimulation device 10 in its extended state. As can be seen from this figure, there is an elongate hole 18 that is covered by the helical spring 14. A protrusion or key (not shown in this figure) extends internally from the sleeve 15 to travel within the elongate hole 18. In this way, the elongate hole guides the protrusion or key of the sleeve 15 along a predetermined path thereby limiting lateral motion. Together, the elongate hole 18 and the protrusion or key of the sleeve 15 (which may be referred to herein as a slide) form a sliding pair that is configured to define a motion trajectory of the stimulation end.

[0112] Together, the protrusion or key and the elongate hole 18 may be considered to form the sliding pair where the elongate hole 18 is considered to be the guide member and the protrusion or key of the sleeve 15 slides along the guide member along a trajectory determined by the configuration of the guide member.

[0113] Other forms of sliding pairs may be used where the guide member takes the form of a track and an element of the sleeve 15 engages with that track.

[0114] It is noted that while the elongate hole 18 is shown as being linear, the elongate hole 18 is not necessarily limited to this particular structure and may also trace a predetermined path, for example, in a serpentine shape, so that the lateral motion of the sleeve 15, and thereby the second stimulation component 17, is confined to a back-and-forth sweeping motion such as to simulate circular or elliptical motion, thereby improving the stimulation pattern.

[0115] The path of the elongate hole, or other sliding pair arrangement, may set the path of motion within three-dimensional space and may be able to produce any desired motion pattern from limiting lateral motion all together to the aforementioned serpentine track. However, according to other approaches, a planar motion may be created that may confine motion of the second stimulation component 17 to a two-dimensional plane, allowing for predictable planar motion that may simplify design and improve control.

[0116] Fig. 17 is a perspective view of the stimulation device 10 in its contracted state. As can be appreciated from this figure, the elongate hole is shown as being linear.

[0117] It is noted that each of the first stimulation component 16 and the second stimulation component 17 may be outfitted with a vibrational motor that may receive electricity from conductive lines that extend through an interior of the elongate rod 13 to connect to a battery and controller that may be disposed within the handle 12. The handle 12 may also include one or more controls, such as buttons, connected to the controller for controlling the operation of the vibrational motors. The handle 12 may also include a recharging connector such as a USB port or pogo pins for allowing the battery to be recharged. The exterior of the device 10 may be covered in an impermeable skin, as will be described in more detail below.LiuShen Docket No. G25J26320W

[0118] Additionally, one or more sensors may be provided for detecting the insertion depth of the first stimulation component 16, or for detecting the sliding displacement of the second stimulation component 17 relative to the first stimulation component 16. The sensors may include, but are not necessarily limited to, at least one of an elastic sensor, a pressure sensor, or a distance sensor (e.g., a rangefinder). The sensor(s) may be in communication with the controller housed within the handle 12, such that real-time data regarding the depth of insertion or the relative motion of the components may be used to adjust operational parameters of the device, including but not limited to the vibration intensity or frequency of either or both stimulation components 16 and 17. This dynamic response may provide enhanced stimulation tailored to the user’s anatomy or usage pattern, thereby improving the user’s experience and increasing device versatility.

[0119] Fig. 18 is a cutaway plan view of the stimulation device 10a in an extended state, in accordance with exemplary embodiments of the present disclosure. As can be appreciated from this figure, rather than using the helical spring 14 (or in addition thereto) an internal spring 19 may connect the handle 12 to the first stimulation component 16. This internal spring 19 may be disposed within an interior of the first stimulation component 16 and may also run within an interior of the elongate rod 13 as well. The internal spring 19 may connect to an interior of the sleeve 15, for example, through the elongate hole 18 which is not depicted in this figure. Another means of attachment may be used and exemplary embodiments of the present disclosure are not necessarily limited to the illustrated arrangement.

[0120] Additionally, one end of the internal spring 19 may be provided with an elastic sensor 41 configured to detect variations in tensile force as the internal spring 19 is stretched. This sensor 41 may transmit force data to a control circuit disposed within the handle 12, which in turn dynamically adjusts the operational behavior of one or more vibrational motors within the device. For example, the vibrational motor within the first stimulation component 16 may increase or decrease its vibration intensity in real time based on the detected spring force, which correlates to the degree of insertion or the first stimulation component 16 or pressure exerted by the sleeve 15. Similarly, the vibrational motor disposed within the second stimulation component 17 may also vary in intensity according to the movement of the sleeve 15. In one illustrative use case, when the first stimulation component 16 is inserted into a bodily orifice (such as a vagina), the internal spring 19 stretches, triggering a change in the tension data sensed by the elastic sensor 41. In response, the controller may increase the vibration intensity of the motor in the second stimulation component 17, thereby enhancing stimulation of an external erogenous zone (e.g., the clitoris). This feedback-controlled mechanism enables real-time physiological response-based stimulation adjustments.

[0121] Fig. 19 is a cutaway perspective view of a stimulation device 10b in an extended state in accordance with exemplary embodiments of the present disclosure. As can be appreciated from this figure, rather than using a helical spring 14 or an internal spring 19 (or in addition thereto) an interior spring 20 may be disposed within the elongate rod 13 seated against the handle 12 on one side thereof, and seated against the sleeve 15 on an opposite side thereof. Thus, as the sleeve is pushed backward towards the handle 12, tension is built in the interior spring 20 so that it may recall during withdrawal of the device so as to keep the second stimulation component 17 in its relatively fixed position with respect to the exterior anatomy of the user.LiuShen Docket No. G25J26320W

[0122] Additionally, the interior of the second stimulation component 16 may be divided into a first chamber 161 and a second chamber 162. The first chamber 161 may be configured to accommodate a vibrational motor. The second chamber 162 may be configured to house a distance sensor, such as a laser rangefinder 42.

[0123] The laser rangefinder 42 may be a semiconductor diode laser that may produce for example, a light beam 43 of red light within a range of approximately 630 - 670 nm using an aluminum gallium indium phosphide (AlGalnP) laser diode.

[0124] The laser rangefinder 42 may be configured to emit a laser beam 43 toward the sleeve 15, and detect the reflected signal therefrom to measure the distance that the sleeve 15 has slid relative to the second stimulation component 17. Thus, the laser rangefinder 43 forms the basis of a laser distance meter.

[0125] This measured displacement may be used to infer the relative position of the sleeve 15 along the elongate rod 13. The output from the rangefinder 42 may be transmitted to the controller within the handle 12, where it can be used to adjust the vibration parameters of either stimulation component dynamically. In this way, the device can autonomously enhance or reduce stimulation intensity based on actual positional feedback, further improving the responsiveness and adaptability of the stimulation experience.

[0126] Fig. 20 is a plan view of a stimulation device 10c in an extended state in accordance with exemplary embodiments of the present disclosure. As can be appreciated from this figure, rather than using a helical spring 14, an internal spring, or an interior spring 20, (or in addition thereto) here a second stimulation component spring 21 is used. According to this arrangement, the handle 12 is fixedly connected to the first stimulation component 16 via a bridge 22. An arm 23 extends from the bridge 22 and the arm 23 may wrap around a shaft of the second stimulation component 17 with the second stimulation component spring 21 fixed to the arm 23 on one side and to the second stimulation component 17 on the other side. During insertion, the second stimulation component 17 is pressed and the shaft thereof slides within the arm 23 to compress the second stimulation component spring 21 to maintain the relative position of the second stimulation component 17. Such an arrangement may be referred to herein as matched trajectories as the spring is used to have the second stimulation component 17 match the trajectory of the first stimulation component 16.

[0127] It is noted that the shaft of the second stimulation component 17 may include an elongate hole similar to that previously discussed and the arm 23 may have a protrusion or key that inserts into this elongate hole for a similar implementation as discussed above so that lateral movement of the second stimulation component 17 may be confined in the manner discussed above.

[0128] Fig. 21 is a plan view of a stimulation device 10 in an intermediate state, in accordance with an exemplary embodiment of the present disclosure. This figure is said to show an intermediate state as the sleeve 15 is disposed between the handle 12 and the first stimulation component 16. A flexible covering 24 is shown as being disposed around the device 10 including around the handle 12, the sleeve 15, the first stimulation component 16 and the second stimulation component 17. The flexible covering 24 is shown to have elastic regions 25, such as folds or bellows to allow for the sleeve 15 and second stimulation component 17 to move freely about the elongate rod 13. The flexible covering 24 may include an impermeable and elastic material such as silicone rubber,LiuShen Docket No. G25J26320W elastomeric polymers, or a urethane-based material. The aforementioned charging port may be exposed through an opening in the flexible covering 24 at the handle 12.

[0129] The flexible covering may take on the role of the springs described herein and may thus provide the restoring force needed to return the sleeve 15 and the second stimulation component 17 to the contracted state after being forced into the extended state during insertion. Alternatively, one or more springs (mechanical or magnetic) may still be used.

[0130] Fig. 22 is a plan view of a stimulation device lOd in an extended state in accordance with exemplary embodiments of the present disclosure. This structure depicts another matched trajectory arrangement. As can be appreciated from this figure, the handle 12 is fixedly connected to the first stimulation component 16 by a bridge 25 and an arm 23 extends from the bridge in an arc shape. Here, rather than the arm 23 forming a ring around the shaft of the second stimulation component 17, as shown in Fig. 20, the shaft of the second stimulation component 17 is also arc shaped and is received within the arm 23. A second stimulation component spring 21 may be used here between the second stimulation component 17 and the arm 23 so as to store potential energy that may be released to maintain the relative position of the second stimulation component 17.

[0131] Fig. 23 is a plan view of a stimulation device 30 having an alternative coupling mechanism in accordance with exemplary embodiments of the present disclosure. As can be appreciated from this figure, the stimulation device 30 includes a handle 32 and a first stimulation component 36 that extends therefrom. The handle 32 may include various controls 31, displays, and charging ports and extending from either the handle portion 32 or the first stimulation component 36 may be a second stimulation component 37 that is connected to the device 30 by one or more elastic connectors, here depicted as a first elastic connector 34a and a second elastic connector 34b.

[0132] Thus, as the first stimulation component 36 is inserted into the orifice, the second stimulation component 37 presses against the exterior of the orifice and the elastic connectors 34a and 34b give way as they store potential energy. Then, as the first stimulation component 36 is withdrawn, the elastic connectors 34a and 34b restore and the second stimulation component 37 is able to maintain its relative position.

[0133] In this arrangement, the handle 32 may have a bulbus shape that flows seamlessly into the elastic connectors 34a and 34b so as to form a loop with the second stimulation component 37. The center of the loop may be an annular space 33 that is open. Thus, when the elastic connector 34a and 34b are in their contracted state, they may bend outwardly, inwardly into the annular space 33, or may internally compress. The structure of the elastic connectors 34a and 34b may itself provide the required level of elasticity and restorative force while also maintaining the structural integrity of the device. The elastic connectors 34a and 34b may be substantially tubular and conductive wires or other connectors may bring electricity from a battery disposed within the handle 32 to a vibrational motor within the second stimulation component 37 through the tubular center of the elastic connectors 34a and 34b.

[0134] While the stimulation device 30 depicted in Fig. 23 may rely upon the elastic structure of the elastic connectors 34a and 34b to provide the restorative force, alternatively, springs, either mechanical or magnetic, may be used within an elastic skin to achieve a comparable result. By employing a pair of elastic connectors 34a and 34b rather than a single bendable connector, theLiuShen Docket No. G25J26320W second stimulation component 37 may be able to better maintain its position regardless of how the stimulation device 30 is angled during insertion and withdrawal.

[0135] The invention includes other illustrative embodiments (“Embodiments”) as follows.

[0136] Embodiment 1: A sexual stimulation device, comprising: a main body; a first stimulation component extended from a bottom portion of the main body and configured to be inserted into a bodily orifice; a second stimulation component having a stimulation end configured to stimulate an erogenous zone that is proximate to the bodily orifice; and a coupling mechanism configured to couple the second stimulation component to the bottom portion, the coupling mechanism including: a sliding pair configured to define a motion trajectory of the stimulation end; and a resilient element configured to store or release potential energy as the stimulation end moves, such that the stimulation end maintains continuous contact with the erogenous zone as the first stimulation component reciprocates within the bodily orifice.

[0137] Embodiment 2: The curvilinear reciprocating device of Embodiment 1, wherein the stimulation end is constrained to move in a first direction along the motion trajectory while maintaining continuous contact with the erogenous zone when the first stimulation component is inserted into the bodily orifice, thereby causing the resilient element to store potential energy, and wherein the stimulation end is constrained to move in a second direction, opposite to the first direction, when the first stimulation component is withdrawn from the bodily orifice by the release of the stored potential energy from the resilient element, thereby maintaining continuous contact between the stimulation end and the erogenous zone.

[0138] Embodiment 3: The curvilinear reciprocating device of Embodiment 1, wherein the coupling mechanism further comprises a flexible covering, at least a portion of the flexible covering forming an elastic region, and wherein the resilient element is defined by the elastic region.

[0139] Embodiment 4: The sexual stimulation device according to Embodiment 1, wherein the sliding pair comprises: a guide formed by at least a portion of the main body configured to define the motion trajectory along an axis thereof; and a slide coupled to the second stimulation component and configured to slide along the motion trajectory.

[0140] Embodiment 5: The sexual stimulation device according to Embodiment 4, wherein the sliding pair is disposed within the main body or within the second stimulation component.

[0141] Embodiment 6: The sexual stimulation device according to Embodiment 4, wherein the guide comprises an elongate rod, wherein the slide comprises a sleeve accommodated about the elongate rod, and wherein the sleeve is connected to the second stimulation component.

[0142] Embodiment 7 : The sexual stimulation device according to Embodiment 6, wherein the resilient element is a helical spring wound about the elongate rod, with opposite ends of the helical spring respectively connected to the sleeve and the bottom portion of the main body.

[0143] Embodiment 8: The sexual stimulation device according to Embodiment 4, wherein the guide comprises an elongate hole formed on the main body, and the slide comprises a protrusion extending through the elongate hole.

[0144] Embodiment 9: The sexual stimulation device according to Embodiment 8, wherein the resilient element comprises a helical spring disposed within the main body, with opposite ends of the helical spring respectively connected to the protrusion and the main body.LiuShen Docket No. G25J26320W

[0145] Embodiment 10: The sexual stimulation device according to Embodiment 4, wherein the guide comprises an elongate groove, and the slide comprises a key engaged within the elongate groove.

[0146] Embodiment 11 : The sexual stimulation device according to Embodiment 1 , wherein the motion trajectory of the stimulation end corresponds to a reciprocating trajectory of the first stimulation component during reciprocation.

[0147] Embodiment 12: The sexual stimulation device according to Embodiment 4, wherein the guide comprises a sleeve, the slide comprises an elongate rod about which the sleeve is circumscribed, and wherein the elongate rod is connected to the second stimulation component.

[0148] Embodiment 13: The sexual stimulation device according to Embodiment 1, wherein the sliding pair is a curved sliding pair, and the motion trajectory is an arcuate trajectory.

[0149] Embodiment 14: The sexual stimulation device according to Embodiment 1, wherein the motion trajectory of the stimulation end is substantially confined to a two-dimensional plane.

[0150] Embodiment 15: The sexual stimulation device according to Embodiment 1, wherein a contact surface between the stimulation end and the erogenous zone remains substantially unchanged as the first stimulation component reciprocates within the bodily orifice.

[0151] Embodiment 16: A sexual stimulation device, comprising: a main body including a handle and a first stimulation component, the first stimulation component configured to be inserted into a bodily orifice; a second stimulation component having a stimulation end configured to provide sexual stimulation to an erogenous zone that is proximate to the bodily orifice; a coupling mechanism coupling the second stimulation component to the main body; a sliding pair configured to define a motion trajectory of the stimulation end; and a resilient element configured to store or release elastic potential energy as the stimulation end moves, such that the stimulation end maintains continuous contact with the erogenous zone as the first stimulation component reciprocates within the bodily orifice.

[0152] Embodiment 17: The sexual stimulation device according to Embodiment 16, wherein the sliding pair comprises: a guide including at least a portion of the coupling mechanism; and a slide including at least a portion of the second stimulation component, the slide configured to slide along the motion trajectory.

[0153] Embodiment 18: The sexual stimulation device according to Embodiment 17, wherein the guide comprises a sleeve including at least a portion of the coupling mechanism, wherein the slide comprises an elongate rod formed by at least a portion of the second stimulation component, and wherein the elongate rod passes through the sleeve.

[0154] Embodiment 19: The sexual stimulation device according to Embodiment 16, wherein the motion trajectory is parallel to the reciprocating trajectory of the first stimulation component.

[0155] Embodiment 20: A sexual stimulation device, comprising: a main body, at least a portion thereof forming a first stimulation component, the first stimulation component configured to be inserted into a bodily orifice; a second stimulation component having a stimulation portion configured to provide sexual stimulation to an erogenous zone that is proximate to the bodily orifice; and a coupling mechanism configured to couple the second stimulation component to the main body, the coupling mechanism comprising: a first elastic connector; and a second elastic connector,LiuShen Docket No. G25J26320W wherein the stimulation portion has a first end and a second end, and the first and second elastic connectors are respectively connected to the first and second ends, converging at the main body to form an annular space, and wherein the annular space is configured to deform as the first stimulation component is inserted into and is withdrawn from the bodily orifice, such that the stimulation portion maintains continuous contact with the erogenous zone during insertion and withdrawal.

[0156] Exemplary embodiments described herein are illustrative, and many variations can be introduced without departing from the spirit of the disclosure or from the scope of the appended claims. For example, elements and / or features of different exemplary embodiments may be combined with each other and / or substituted for each other within the scope of this disclosure and appended claims.

Claims

LiuShen Docket No. G25J26320W What is claimed is:

1. A curvilinear reciprocating device for sexual stimulation, comprising:a main body;a curved stimulation member that comprises a curved linkage portion, which is configured to stimulate an erogenous zone of a human body, comprising a proximal end portion and a distal end portion and wherein the proximal end portion is coupled to the main body;an actuator at least partially disposed within the main body and configured to actuate the distal end portion to move from a first position away from the main body to a second position that is closer to the main body than the first position; anda curved guide member formed with a curvature corresponding to the curved linkage portion and configured to cause the curved stimulation member to reciprocate along an entirely curved axis;wherein the curved linkage portion is configured to couple with the curved guide member, thereby defining the curved guide member and the curved linkage portion as a curvilinear sliding pair; andwherein the curved stimulation member maintains a fixed curvature, defined from the distal end portion to the proximal end portion, as the distal end portion moves between the first position and the second position.

2. The curvilinear reciprocating device of claim 1, wherein the curved linkage portion is configured to be operably rotated within a curved sleeve relative to the main body.

3. The curvilinear reciprocating device of claim 1, further comprising a rebound mechanism configured to rebound the distal end portion from the second position to the first position, thereby causing the distal end portion to reciprocate in a curvy trajectory between the first position and the second position.

4. The curvilinear reciprocating device of claim 3, wherein the actuator comprises:a motor powered by a power source;an eccentric wheel having a shaft hole configured to connect to an output shaft of the motor; a bearing operably connected with the eccentric wheel; anda flexible connecting member having a first end and a second end, wherein the first end is configured to wrap around an outside lateral wall of the bearing, and wherein the second end is connected to the curved stimulation member;wherein the flexible connecting member is configured to be alternately pulled and loosened as the motor rotatably drives the eccentric wheel so that a coil spring of the rebound mechanism alternates between a compressed state and an extended state.

5. The curvilinear reciprocating device of claim 4, wherein:the motor is configured to drive the eccentric wheel to rotate through a 0-degree position and a 180-degree position, thereby applying torque to the flexible connecting member via theLiuShen Docket No. G25J26320W eccentric wheel so that the flexible connecting member pulls the distal end portion of the curved stimulation member toward the second position to compress the coil spring; andthe coil spring, when compressed, is configured to release at least a portion of elastic potential energy as the eccentric wheel rotates past the 180-degree position, thereby causing the distal end portion of the curved stimulation member to spring back in a direction toward the first position.

6. The curvilinear reciprocating device of claim 4, wherein:the coil spring, when compressed, is configured to release at least a portion of elastic potential energy as the eccentric wheel rotates more than 180 degrees; andthe motor is configured to reduce the release of elastic potential energy from the compressed coil spring as a rotational speed of the motor is increased, thereby adjusting a reciprocating motion stroke of the curved stimulation member.

7. The curvilinear reciprocating device of claim 1, wherein the actuator comprises:a motor;an eccentric wheel configured to connect to an output shaft of the motor; anda connecting member configured to operably couple the eccentric wheel and the curved stimulation member;wherein the connecting member is a flexible band or a plurality of multi-connecting rods.

8. The curvilinear reciprocating device of claim 1, wherein the curved stimulation member is a curved dildo.

9. The curvilinear reciprocating device of claim 1, wherein the curved guide member is formed as a curved sleeve.

10. The curvilinear reciprocating device of claim 1, wherein the curved linkage portion is configured to be reciprocatingly coupled with the actuator.

11. The curvilinear reciprocating device of claim 1 , wherein the actuator comprises a motor powered by a power source, and an elastic connecting member having a first end and a second end, wherein the first end is configured to couple with the motor, and wherein the second end is configured to rotatably engage the curved linkage portion about a second rotation axis.

12. The curvilinear reciprocating device of claim 11, wherein the actuator further comprises: a crank having a shaft hole configured to receive an output shaft of the motor; and a connecting rod operably connected to the elastic connecting member and the crank.

13. The curvilinear reciprocating device of claim 1, wherein the actuator is configured to be rotatably coupled with the curved linkage portion about a second rotation axis thereof.LiuShen Docket No. G25J26320W14. A reciprocating device for sexual stimulation, comprising:a main body;a curved stimulation member, which is configured to stimulate an erogenous zone of a human body, comprising a proximal end portion and a distal end portion and wherein the proximal end portion is coupled to the main body by a connecting member;an actuator at least partially disposed within the main body and configured to actuate the distal end portion to move from a first position away from the main body to a second position that is closer to the main body than the first position; anda guide member attached to the main body and configured to movably receive the curved stimulation member so that the curved stimulation member reciprocates within the guide member along an entirely curved axis having a fixed curvature.

15. The reciprocating device of claim 14, wherein the guide member and the curved stimulation member are both rigid and curvilinear; and wherein the guide member is configured to cause the curvilinear stimulation member to reciprocate along a curved trajectory defined by the curvilinear guide member.

16. The reciprocating device of claim 14, wherein the connecting member is a flexible band or a plurality of multi-connecting rods.

17. The reciprocating device of claim 14, further comprising a rebound mechanism configured to rebound the distal end portion from the second position to the first position, thereby causing the distal end portion to reciprocate in a curvy trajectory between the first position and the second position, and wherein the actuator is configured to actuate the connecting member and the curved stimulation member in a first direction that is opposite to a second direction in which the rebound mechanism biases the curved stimulation member.

18. The reciprocating device of claim 14, wherein the actuator comprises a motor powered by a power source, and an elastic connecting member having a first end and a second end, wherein the first end is configured to couple with the motor, and wherein the second end is configured to rotatably engage a curved linkage portion of the curved stimulation member about a second rotation axis of the linkage portion.

19. The reciprocating device of claim 18, wherein the actuator further comprises:a crank having a shaft hole configured to receive an output shaft of the motor, and a connecting rod operably connected to the elastic connecting member and the crank.

20. The reciprocating device of claim 17, wherein the rebound mechanism is disposed on and about an exterior of the guide member.

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