458 results about "Thumb" patented technology

A finger exercise device is provided. The device has two arms pivotally attached to each other and a tension spring with an adjustable knob for varying tension on the spring. The spring is positioned on one side of a pivot point, and finger engagement portions of each arm are located on an opposite side of the pivot point. A user may engage one finger engagement portion with their thumb and the other finger engagement portion with one or more fingers of the same hand other than the thumb. The user may then perform a pinching or grasping motion to extend the spring and exercise and strengthen muscles in the hand and fingers. The device may include a separate arm member that is fixedly attached to one of the pivoting arms and includes an indicator for measuring user progress.

An inner glove configured such that a chemical warmer is attachable in a position facing the back of a hand. The inner glove is configured for wearing under an outer glove, wherein the inner glove includes a body portion that is seamless in a circumferential direction of the hand, the body portion includes an opening in which a wrist may be inserted, an opening in which a thumb may be inserted, and at least two openings in which fingers other than the thumb may be inserted.

The invention belongs to the field of robots, and discloses a six-degree-of-freedom intelligent force control modular dexterous hand, a palm structure comprises a palm shell and a skeleton, and the skeleton is used for assembling fingers, a thumb and a motor control system; the motor system comprises a first motor and a second motor; the fingers are connected with a first motor through a connecting rod mechanism, and the first motor drives the bending action of each finger; the thumb has two degrees of freedom including the bending degree of freedom and the transverse swinging degree of freedom of the thumb, bending of the thumb is controlled by a first motor and a connecting rod mechanism, and transverse swinging of the thumb is controlled by a second motor; the thumb is controlled by the second motor to swing transversely, so that palm-to-palm movement is achieved, and complex grasping tasks are completed in cooperation with other fingers. The thumb is designed to have two independent degrees of freedom, one degree of freedom is used for controlling bending of the thumb, the other degree of freedom is used for achieving transverse swinging of the thumb, the thumb can work in cooperation with other fingers, and therefore the flexibility and accuracy during grabbing are improved.

The invention provides a bionic thumb mechanism and a dexterous hand. The bionic thumb mechanism comprises a thumb base, a first joint hinged to the thumb base, a second joint hinged to the first joint, a third joint hinged to the second joint, a first driving piece used for driving the first joint to rotate and fixed to the thumb base, a first connecting rod and a second connecting rod. One end of the first connecting rod is hinged to the thumb base or the first driving piece, the other end of the first connecting rod is hinged to the second joint, one end of the second connecting rod is hinged to the first joint, and the other end of the second connecting rod is hinged to the third joint. According to the bionic thumb mechanism and the dexterous hand, linkage of the three joints is achieved through the first driving piece, the driving structure is simple and similar to joint movement of human fingers, and the humanoid degree of the bionic thumb mechanism and the dexterous hand is improved.

A lens cleaning device includes an elongated member having a top surface, a bottom surface, a first end, a second end and a pair of opposing sides. The top surface is constructed from a soft and smooth fabric for cleaning eyeglass lenses, and the bottom surface is constructed from a moisture resistant material. A pair of pockets are be disposed along the distal ends of the bottom surface at locations adjacent to the first and second ends. The pockets including a shape and size for receiving a thumb and finger of a user. High friction nubs are provided along the bottom surface.

A multi-degree-of-freedom bionic dexterous hand includes a palm structure, a bionic thumb, a multifunctional bionic finger, and a dexterous bionic finger. The bionic thumb includes a first phalanx structure and a rotary disk, the rotary disk is configured to rotate on the palm structure, the first phalanx structure is hinged to the rotary disk, and the rotation axis of the rotary disk is not parallel to the rotation axis of the first phalanx structure. The multifunctional bionic finger includes a second phalanx structure, the second phalanx structure is universally hinged to the palm structure, and the second phalanx structure can perform the flexion-extension movement and the swinging movement. The dexterous bionic finger includes a third phalanx structure, the third phalanx structure is hinged to the palm structure, and the third phalanx structure can perform the flexion-extension movement.

A push and pull exercise device having a lateral flat surface configuration to enable the user to sandwich grip the surface between the underside of outstretched fingers and the thumb or by contact with the palm side of out stretched fingers and / or palm of both left and right hands, the flat or arching surface having a ringlet positioned approximately in the middle of the lateral flat surface, and thus, to exercise biceps, shoulders, and / or forearm muscles or sets of muscles, or a specific range or section of those muscles.

A fitness garment that includes sleeves having a side thumb opening for the wearer's thumb also includes means for providing visual access to a wrist worn device when the garment is worn with the wearer's thumb extending through the side / thumb opening. The visual access includes an opening that is either always open or can be selectively open and / or closed.

The present invention belongs to the technical field of robotics, and provides a multi-degree-of-freedom bionic dexterous hand, which includes a palm structure, a bionic thumb, multifunctional bionic fingers and dexterous bionic fingers. [Solution] The bionic thumb comprises a first phalangeal structure and a rotating disk rotatably mounted on the palm structure, the first phalangeal structure is hinged to the rotating disk, and the rotation axis of the rotating disk is not parallel to the rotation axis of the first phalangeal structure, the multifunctional bionic finger comprises a second phalangeal structure freely hinged to the palm structure and capable of bending, straightening and swinging movements, and the dexterous bionic finger comprises a third phalangeal structure hinged to the palm structure and capable of bending and straightening movements. The present invention can provide multiple degrees of freedom for the bionic dexterous hand and enrich the functions of the bionic dexterous hand.

A dish drying mat has elongate spaced-apart ribs upwardly extending from a general upper surface, and spaced-apart dimples downwardly extending from a general lower surface. The lateral locations of the ribs and the dimples do not intersect. A lower portion of a marginal wall has at least one gap so as to communicate a continuous lower volume below the general lower surface to the atmosphere beyond the peripheral margin of the mat. At rounded corners, the peripheral wall has inwardly concave surfaces which are sized to fit to a thumb or finger of a user's hand when grasping or cleaning the mat.

The invention relates to an operating element (1) comprising: a carrier (4); a bearing pin (2) extending axially from a foot (2a) to a free end (2b) and forming a fastening area (2c) adjoining the foot (2a), by means of which the bearing pin (2) is fixed to the carrier (4) in a rotationally fixed manner; an actuating part (3) rotatably mounted relative to the carrier (4) and designed as a thumbwheel, which forms an actuating surface (F) between its two axially spaced end faces (3a, 3b), comprising a first end face (3a) and a second end face (3b), for performing a rotary adjustment by an operator; a position transmitter (10) and a position sensor (11) cooperating with the position transmitter (10);a detent device (5, 6) acting between the carrier (4) and the actuating part (3), which inhibits the rotational adjustment of the actuating part (3) and is formed from at least one rotor (5) and a stator (6) which interacts magnetically with the rotor (5); wherein the actuating part (3) is rotatably supported on the foot (2a) of the pin (2) via three bearing points (A, B, C) and rotatably supported on the carrier (4) via a second bearing point (B) closer to the second end face (3b), and the actuating part (3) is furthermore rotatably supported on the free end (2b) of the bearing pin (2) via a central bearing point (C) provided in the axial direction between the first bearing point (A) and the second bearing point (B);wherein the rotor (5) and the stator (6) of the locking device (5, 6) are arranged in a hollow volume which is formed in a radial direction with respect to the bearing journal (2) between the bearing journal (2) and the actuating part (3) and in an axial direction between the first bearing point (A) and the middle bearing point (C); as well as associated use and assembly methods.;

The present invention relates to a novel better grip glove. The device is designed to fill the gap or space between the palm of the hand and the handle or other equipment to increase swing speed and improve other mechanics. The glove includes a specialized glove and a wedge-like insert that extends over the thumb and onto the palm of the hand. The insert conforms to the user's hand and the handle. The insert component is thicker near the thumb and first finger and decreases in thickness as it approaches the palm of the hand. Users can easily place the specialized batting glove on the hand to eliminate the gap between the hand and the handle to improve mechanics.

The utility model provides a mechanical arm which comprises a palm center base, a mechanical thumb and a plurality of mechanical fingers, the mechanical thumb comprises a rotary driving assembly, a first linear driver, a thumb root and a thumb tip, and the rotary driving assembly is arranged on the inner side of the palm center base; the rotary driving assembly is used for driving the thumb root and the thumb tip to rotate relative to the palm center base, the first linear drivers are arranged in the thumb root and the thumb tip, and each mechanical finger comprises a second linear driver, a finger root and a finger tip. The second linear drivers are arranged on the sides, away from the finger tips, of the finger roots, and the second linear drivers of the multiple mechanical fingers are arranged on the outer side of the palm center base. The manipulator provided by the utility model is simple in overall structure and small in occupied space.

A thumb brace comprising a glove having a thumb portion disposed between a palm side and a back side and comprising a first attachment region positioned adjacent a base of the thumb portion and a second attachment region positioned on the back side of the glove; a first elastic strap whereby the first strap extends a distal end of a thumb metacarpal bone of a user of the brace; a second elastic strap having a first end attached to the palm side of the glove and the second end releasably attached to the second attachment region, whereby the second strap reduces a proximal end of a thumb metacarpal bone of a user of the brace; and a pad attached to the glove such that the pad cushions a CMC joint of the user of the brace from impact.

A glove including a wrist region; a palm region extending outwardly from the wrist region; a plurality of digit regions extending outwardly from the palm region, wherein each digit region of the plurality of digit regions has a longitudinal axis extending along the digit region from the tip of the digit region to the palm region; an interior cavity bounded and defined by the wrist region, the palm region, and the plurality of digit regions, wherein the interior cavity is accessible via an opening defined by the wrist region. A crotch area is defined between each pair of adjacent digit regions. An exterior surface of at least one crotch area is textured, particularly through micro-etching of the exterior surface of the crotch area.

Disclosed is a grip that includes a material having a wrist end, a finger end, and sides that extend from the wrist end to the finger end. The wrist end of the material has a concave shape that (i) is between the sides of the protective material and (ii) defines at least two legs on opposite sides of an apex of the concave shape. A thumb guard is defined on a first side of the sides of the material. A wrist strap is attached to a leg of the wrist end.

The flexible hand rehabilitation exoskeleton based on rope driving comprises a palm sleeve, a four-finger exoskeleton and a thumb exoskeleton, the four-finger exoskeleton and the thumb exoskeleton are connected with the palm sleeve, and the four-finger exoskeleton comprises finger sleeves, finger corrugated belts, far-end finger rings, far-end corrugated belts, near-end finger rings and near-end corrugated belts. The thumb exoskeleton comprises a finger sleeve, a finger corrugated belt and a near-end finger ring, Teflon pipes are embedded into the near-end corrugated belt, the finger sleeve and the palm sleeve, through holes are formed in the near-end corrugated belt and the far-end corrugated belt, and each finger ring comprises a tying belt rotary knob and a finger ring body. The finger length of the exoskeleton is adjusted through the design of the corrugated belts, the wearing comfort of the exoskeleton is improved, relative sliding caused by direct contact between a rope and finger backs is avoided through the symmetrical design of the double corrugated belts, and potential safety hazards are reduced; the tightness degree of the ring is adjusted by using the lace knob, so that the compliance of the exoskeleton and the force transmission efficiency of the rope are improved; and the rope path is embedded into the exoskeleton, so that the compactness of the exoskeleton is improved.

An orthosis for support of a joint, adapted to the thumb or wrist, having sleeve-like main member made of an elastic material, adapted to envelop the joint and distal and proximal limb portions on either side of the joint, elastically deformable panel housed in a pocket formed in the main member, and non-elastic bracing device for bracing the main member and a proximal portion of the panel around the proximal limb portion, the panel being configured such that, over at least 50 % of the length of the main member along the limb portions, including a limb portion covered by the bracing device, the panel has a cross-section occupying more than 30 % of the perimeter of the underlying limb, the panel having a stiffness defined by a Young's modulus between S and 10 MPa, while the material forming the main member has a stiffness of a lower order of magnitude.

The present invention relates to a sensomotoric hand therapy device comprising a flexible shell having a first leg portion configured to accommodate fingers of a hand of a patient, a second leg portion configured to accommodate a thumb of the patient and a U-shaped portion configured to accommodate a metacarpus of the patient. The device further comprises a first reinforced member connected to a distal end region of the first leg portion of the shell, a second reinforced member connected to a distal end region of the second leg portion of the shell and a third reinforced member connected to and reinforcing the U-shaped portion of the shell. Further, the device comprises a movement mechanism defining a course and resistance of movement of the first reinforced member and the second reinforced member relative to the third reinforced member; and to a respective hand therapy system and hand training method.

A garment that includes sleeves having a side thumb opening for the wearer's thumb also includes means for providing visual access to a wrist worn device when the garment is worn with the wearer's thumb extending through the side / thumb opening. The visual access includes an opening that is either always open or can be selectively open and / or closed.

The invention discloses a dexterous hand capable of demonstrating. The dexterous hand comprises a plurality of fingers, a palm skeleton, a connecting bracket, a demonstrator and an electric push rod box, the fingers are connected with the palm framework, the palm framework is connected with one side of the connecting support, and the other side of the connecting support is connected with the demonstrator and the electric push rod box. The demonstrator is provided with a plurality of pull rings, a plurality of finger rotating potentiometers and a handle, the pull rings are connected with finger joints through tendon ropes, the tendon ropes drive fingers to bend the freedom degree direction, the finger rotating potentiometers are used for controlling swing of the fingers, and the handle is used for driving and controlling the action of the thumb; a plurality of electric push rods are arranged in the electric push rod box and connected with finger joints through tendon ropes, and fingers are driven to bend in the freedom degree direction through the tendon ropes. Demonstration of freedom degrees in the swinging direction and the grabbing direction is completed through the demonstrator, double-channel tendon rope driving is achieved, the pulling force of the pull ring can be controlled, and therefore the grabbing force of fingers can be controlled, and grabbing force demonstration is achieved.

According to the dexterous hand thumb, a first driving assembly is arranged in a carpal bone assembly, a second driving assembly is arranged at the first end of a metacarpal bone assembly, a third driving assembly is arranged at the second end of the metacarpal bone assembly, and a fourth driving assembly is arranged at the first end of a knuckle assembly; the first end of the first connecting piece is in transmission connection with an output shaft of the first driving assembly, the second end of the first connecting piece is in transmission connection with an output shaft of the second driving assembly, the first end of the second connecting piece is in transmission connection with an output shaft of the third driving assembly, and the second end of the second connecting piece is in transmission connection with an output shaft of the fourth driving assembly. Due to the fact that the dexterous hand thumb is provided with multiple driving assemblies, the dexterous hand thumb has multiple active freedom degrees, and the bionic performance of the dexterous hand thumb is improved.

The invention discloses a dexterous hand which comprises a palm frame, a thumb assembly and at least two first finger assemblies, and the thumb assembly is installed on the palm frame; the at least two first finger assemblies are installed on the palm frame. Each first finger assembly comprises a first near-palm-end knuckle, a first far-palm-end knuckle and a finger action actuator. Wherein one end of the first near-palm end knuckle is hinged to the palm frame, and the other end of the first near-palm end knuckle is hinged to the first far-palm end knuckle; wherein the finger action executors comprise a first executor and a second executor, and the first executor is installed on the palm frame, hinged to the first near-palm end knuckle and configured to drive the first near-palm end knuckle to rotate relative to the palm frame. Therefore, the dexterous hand disclosed by the embodiment of the invention has a plurality of active degrees of freedom, various complex motions can be realized, and the repeated accuracy of fingertip force feedback is high. Basic grabbing requirements can be met, and flexible control over objects can be achieved.

The invention relates to the technical field of manipulators, in particular to a finger structure of a dexterous hand, which comprises a connecting block, a palm shell, a thumb assembly, a finger assembly and a joint lubricating assembly, the palm shell is fixedly connected to one side of the connecting block, the finger assembly is hinged to one side, away from the connecting block, of the palm shell, the thumb assembly is arranged at the side part of the finger assembly, and the joint lubricating assembly is arranged at the other side of the palm shell. The thumb assembly is installed in the palm center shell, joints of the thumb assembly and the finger assembly are in sliding fit with joint lubricating assemblies, a rope driving structure is adopted integrally, the installation number of motors at the joints is reduced, meanwhile, independent driving structures between fingers are adopted and can be matched with one another, and therefore various grabbing actions can be flexibly carried out; according to the mechanical arm, lubricating oil can flow out through extrusion force between the rope pipe and all the joints, the lubricating purpose is achieved, friction at the joint connecting positions is reduced, the flexibility of the thumb assembly and the finger assembly in the grabbing process is improved, and the clamping precision is guaranteed.

A glove including a wrist region; a palm region extending outwardly from the wrist region; a plurality of digit regions extending outwardly from the palm region, wherein each digit region of the plurality of digit regions has a longitudinal axis extending along the digit region from the tip of the digit region to the palm region; an interior cavity bounded and defined by the wrist region, the palm region, and the plurality of digit regions, wherein the interior cavity is accessible via an opening defined by the wrist region. A crotch area is provided between adjacent digit regions. At least one gripping zone is provided on at least one digit region. The gripping zone is oriented substantially parallel to the longitudinal axis of the at least one digit region. An exterior surface of at least one crotch area and at least one gripping zone is textured, particularly by micro-etching.

The invention provides a dexterous hand thumb and a manipulator, and relates to the technical field of manipulators. The dexterous hand thumb comprises a first driving device, a thumb side-sway support, a second driving device, a thumb introversion support, a third driving device and a knuckle shell. The first driving device is connected with the thumb side-sway bracket and drives the thumb side-sway bracket to swing around the axis I; the second driving device is installed on the thumb side-sway support, the second driving device is connected with the thumb introversion support and drives the thumb introversion support to swing around an axis II, and the axis I is perpendicular to the axis II; the third driving device is installed in the knuckle shell, the third driving device is connected with the thumb introversion support and used for driving the knuckle shell to swing around the axis III relative to the thumb introversion support, and the axis II is perpendicular to the axis III. Multi-degree-of-freedom driving of the thumb is realized in a compact space, and the driving flexibility is improved, so that the operation performance of the thumb when the thumb is used for grasping is improved.

Disclosed in the present application are a bionic hand and a thumb rotation driving device thereof. The bionic hand comprises a hand shell, a thumb component and at least one finger component, wherein the thumb component and each finger component are arranged on the basis of the hand shell; each finger component comprises a first driving mechanism, a first transmission mechanism and a finger mechanism; and the thumb component comprises a second driving mechanism, a second transmission mechanism and a thumb mechanism. The bionic hand further comprises a third driving mechanism, a third transmission mechanism and a rotary bearing mechanism, wherein the rotary bearing mechanism is connected to the thumb component; and the third driving mechanism is connected to the rotary bearing mechanism by means of the third transmission mechanism and can drive the rotary bearing mechanism to rotate, such that the thumb component can be driven to execute a rotation action. The bionic hand and the thumb rotation driving device thereof provided in the present application can realize electric bending adjustment and rotation adjustment of a thumb, can enrich functions of the bionic hand, and can enable control over the bionic hand to be more automated.

A prosthetic hand comprises a palm part; a proximal thumb part coupled to the palm part to form a first joint with a first axis of rotation, wherein the proximal thumb part is configured to rotate about the first axis of rotation; a distal thumb part coupled to the proximal thumb part to form a second joint with a second axis of rotation, wherein the distal thumb part is configured to rotate about the second axis of rotation; a rotary actuator configured to rotate the proximal thumb part and distal thumb part about the first axis of rotation and the second axis of rotation respectively; and a locking mechanism having a first configuration and a second configuration.

The invention discloses a thumb bionic mechanical finger, a gear driving type bionic mechanical finger and a bionic manipulator thereof, and belongs to the field of manipulators. Comprising a supporting part, a first finger section, a second finger section, a third finger section, a first driving part, a second driving part, a first gear transmission part and a second gear transmission part. The first finger section is connected with the supporting part, the second finger section is connected with the first finger section, and the third finger section is connected with the second finger section; the first gear transmission part is arranged between the supporting part and the first finger section, and the second gear transmission part is arranged between the first finger section and the second finger section; the first driving piece is connected with the first gear transmission piece, and the second driving piece is connected with the second gear transmission piece. The mechanical arm has the beneficial effects that the two independent driving parts are matched with the two bevel gear transmission parts to drive the first finger section and the second finger section correspondingly, and independent and accurate control over the metacarpophalangeal joint and the middle joint is achieved. The design allows the fingers to move complexly and flexibly, and is suitable for fine operation tasks.

A cuff (100) for a sleeve is provided, comprising a front patch (300) secured to the sleeve and covering at least a portion of a cutout (240) in the sleeve, a distal band (400) secured to the sleeve and spanning at least a portion of the cutout in the sleeve, and the distal band overlapping at least a portion of the front patch to form an aperture for accommodating a thumb therethrough, or the front patch overlapping at least a portion of the distal band to form an aperture for accommodating a thumb therethrough. The cuff has a variety of configurations, including at least a closed configuration, in which the aperture is closed and minimizes the wearer's exposure to wind and air elements therethrough, and an open configuration, in which the aperture is open and minimizes air penetration around the accommodated thumb.