Adjustable baby carriage assembly and seat for baby carriage assembly

Abstract

An adjustable stroller assembly and a seat for a stroller assembly are provided. The adjustable stroller assembly may include a stroller frame having a pair of laterally opposed hubs, a pair of rear legs extending downwardly from the pair of laterally opposed hubs in a rearward direction, and a pair of front legs extending downwardly from the pair of laterally opposed hubs in a forward direction. The stroller assembly may further include a rear seat frame adjustably coupled to the pair of rear legs, and a front seat frame configured to removably couple to the pair of front legs. The rear seat frame may be configured to be adjusted relative to the pair of laterally opposed hubs between a first position and a second position relatively higher than the first position.

Description

[0001] Cross-reference of related applications

[0002] This utility model claims priority and benefit from U.S. Provisional Application No. 63 / 394,681, filed August 3, 2022, the entire disclosure of which is hereby incorporated herein by reference. Technical Field

[0003] This utility model generally relates to strollers, and more specifically to adjustable strollers. Background Technology

[0004] Strollers can be used to seat children for travel or leisure. Some caregivers may have one child with them at one time and more than one child with them at another time, thus requiring multiple strollers or a single stroller with multiple seats.

[0005] There is still a need for strollers that can accommodate more than one child when necessary, while providing space and privacy for each child when needed. Utility Model Content

[0006] In a preferred embodiment, an adjustable stroller assembly is provided, the adjustable stroller assembly comprising: a stroller frame including a pair of laterally opposed connection points; a plurality of wheels coupled to the stroller frame; a first seat frame adjustablely coupled to the stroller frame, the first seat frame being configured to adjust relative to the pair of laterally opposed connection points between the first position and the second position relative to the first position; and a second seat frame configured to be removably coupled to the stroller frame.

[0007] In a preferred embodiment, an adjustable stroller assembly is provided, the adjustable stroller assembly comprising: a stroller frame including a pair of laterally opposed connection points; a rear seat frame configured to be slidably movable along the stroller frame relative to the pair of laterally opposed connection points; and a front seat frame configured to be removably coupled to the stroller frame, wherein the stroller frame is configured to be actuated to allow the rear seat frame to be slidably movable between a first position and a second position relative to the first position.

[0008] In a preferred embodiment, an adjustable stroller assembly is provided, the adjustable stroller assembly comprising: a stroller frame including: a pair of laterally opposed connection points; a pair of rear support legs extending downward in a rearward direction from the pair of laterally opposed connection points; and a pair of front support legs extending downward in a forward direction from the pair of laterally opposed connection points; a rear seat frame adjustablely coupled to the pair of rear support legs, the rear seat frame configured to adjust relative to the pair of laterally opposed connection points between a first position and a second position relatively higher than the first position; and a front seat frame configured to removably couple to the pair of front support legs.

[0009] In a preferred embodiment, an adjustable stroller assembly is provided, the adjustable stroller assembly comprising: a stroller frame including: a pair of laterally opposed connection points; a pair of rear support legs extending downward in a rearward direction from the pair of laterally opposed connection points; a pair of top bars extending upward in a rearward direction from the pair of laterally opposed connection points; a pair of rear support bars extending between the pair of rear support legs and the pair of top bars; and a pair of front support legs extending downward in a forward direction from the pair of laterally opposed connection points; a rear seat frame adjustablely coupled to the pair of rear support bars, the rear seat frame configured to be adjusted relative to the pair of laterally opposed connection points between a first position and a second position relatively higher than the first position; and a front seat frame configured to be removably coupled to the pair of front support legs.

[0010] In a preferred embodiment, a seat for a stroller assembly is provided, the seat comprising: a rear portion; a seat portion rotatably connected to the seat portion at a first hub and a second hub laterally opposite to the first hub; and a leg rest rotatably connected to the seat portion at a third hub and a fourth hub laterally opposite to the third hub, wherein the seat portion and the leg rest are configured to rotate toward the rear portion into a folding configuration.

[0011] In a preferred embodiment, a seat for a stroller assembly is provided, the seat comprising: a seat back including a first end of the seat back connected to a top frame; and a seat bottom including a first end of the seat bottom connected to a second end of the seat back and a second end of the seat bottom connected to a bottom frame, wherein the bottom frame is configured to slide relative to the top frame, wherein sliding the bottom frame upward toward the top frame pulls the second end of the seat bottom upward and pulls the first end of the seat bottom and the second end of the seat back toward the top frame and the bottom frame into a folded configuration. Attached Figure Description

[0012] Figure 1 This invention describes an adjustable stroller assembly constructed based on the principles of this utility model.

[0013] Figure 2A This indicates that it does not have front seats. Figure 1 Adjustable stroller assembly.

[0014] Figures 2B to 2E illustrate Figure 2A Various views of the adjustable stroller frame.

[0015] Figure 3 illustrate Figure 1 Adjustable stroller assembly front seat attachment.

[0016] Figure 4 Explanation based on the principle of this utility model Figure 1 The adjustable stroller assembly features a rear seat that is raised relative to the front seat.

[0017] Figure 5A and 5B This invention describes an alternative adjustable stroller assembly constructed based on the principles of this utility model.

[0018] Figure 6 This invention describes another alternative adjustable stroller assembly constructed based on the principles of this invention.

[0019] Figure 7 This invention describes an alternative stroller frame constructed based on the principles of this utility model.

[0020] Figure 8 This invention describes an alternative front mounting assembly constructed based on the principles of this utility model.

[0021] Figure 9 This invention describes an adjustable stroller assembly with a foldable front seat frame based on the principles of this utility model.

[0022] Figures 10A to 10B This invention describes a folding device based on the principles of the present invention. Figure 9 The locking and unlocking mechanism of the front seat frame.

[0023] Figure 11A The description describes the unfolded configuration based on the principle of this utility model. Figure 9 A perspective view of one side of the front seat frame.

[0024] Figure 11B The invention is described in terms of its folding configuration based on the principles of this utility model. Figure 9 Bottom-up view of both sides of the front seat frame.

[0025] Figures 12A to 12GThis invention describes an alternative single seat arrangement on an adjustable stroller assembly based on the principles of this invention.

[0026] Figures 13A to 13D This invention describes an alternative inline double seat arrangement on an adjustable stroller assembly based on the principles of this invention.

[0027] Figures 14A to 14Q This invention describes an alternative staggered double seat arrangement on an adjustable stroller assembly based on the principles of this invention.

[0028] Figure 15 This invention describes an alternative adjustable stroller assembly constructed based on the principles of this utility model.

[0029] Figure 16 This invention describes an alternative seat based on the principles of this utility model.

[0030] Figure 17 This invention describes a canopy-like structure based on the principles of this utility model. Figure 16 The seats.

[0031] Figure 18A The invention is described in terms of its folding configuration based on the principles of this utility model. Figure 16 Side view of the seat.

[0032] Figure 18B The invention is described in terms of its folding configuration based on the principles of this utility model. Figure 16 A perspective view of the seat.

[0033] Figures 19A to 19D Explanation based on the principle of this utility model Figure 16 The components of the seat hub.

[0034] Figure 20 Explanation based on the principle of this utility model Figure 16 The other hub component of the seat.

[0035] Figures 21A to 21B This invention describes an alternative seat based on the principles of this utility model.

[0036] Figure 22 Description of the principles of this utility model Figure 16 Adjustable stroller seat assembly.

[0037] Figures 23A to 23C This invention describes an adjustable stroller assembly in a folding configuration based on the principles of this utility model.

[0038] A detailed description is given with reference to the accompanying drawings. The drawings are provided for illustrative purposes only and depict only exemplary embodiments of the present invention. The drawings are provided to facilitate understanding of the present invention and should not be construed as limiting the breadth, scope, or applicability of the invention. The same reference numerals are used to indicate similar but not necessarily identical or identical components. Different reference numerals may be used to identify similar components. Various embodiments may utilize elements or components different from those illustrated in the drawings, and some elements and / or components may not be present in various embodiments. Depending on the context, the use of singular terms to describe components or elements may include multiple such components or elements, and vice versa. Detailed Implementation

[0039] Some caregivers may have one child with them at one time and more than one child at another, thus requiring multiple strollers or a single stroller with multiple seats to accommodate two children simultaneously. For example, a family may have more than one child, such as twins or two children born a few years apart. Furthermore, strollers configured to accommodate more than one child still need to be manageable, allowing them to be easily folded / unfolded.

[0040] This utility model describes a stroller assembly that can be adjusted to accommodate more than one occupant (e.g., a child). For example, an adjustable stroller assembly is provided. The adjustable stroller assembly may include: a stroller frame having a pair of laterally opposed connection points (e.g., a pair of laterally opposed hubs); a plurality of wheels coupled to the stroller frame; a first seat frame adjustablely coupled to the stroller frame; and a second seat frame configured to be removably coupled to the stroller frame. The first seat frame may be configured to be adjusted relative to the pair of laterally opposed connection points between a first position and a second position relatively higher than the first position.

[0041] In some embodiments, the first seat frame is slidably coupled to the rear frame assembly such that the first seat frame is configured to slide along the rear frame assembly between a first position and a second position. Therefore, the first seat frame may include one or more actuators configured to be actuated to allow the first seat frame to slide between the first and second positions. The stroller frame may include a rear frame assembly coupled to the pair of laterally opposed connection points. The rear frame assembly may include a pair of opposing rear bars extending from the pair of laterally opposed connection points. Each of the pair of opposing rear bars may define a corresponding channel such that the first seat frame is slidably secured between and within the corresponding channels of the pair of opposing rear bars.

[0042] Additionally, the stroller frame may include a front frame assembly coupled to the pair of laterally opposed connection points. The front frame assembly may include a seat frame mount to which a second seat frame can be removably coupled. The stroller frame may further include an upper frame assembly coupled to the pair of laterally opposed connection points. For example, the upper frame assembly may include a pair of opposing upper bars extending from the pair of laterally opposed connection points, and a handle coupled between the pair of opposing upper bars. Furthermore, the plurality of wheels may include at least two rear wheels and at least two front wheels. The pair of laterally opposed connection points may be offset from the geometric center between the at least two rear wheels and the at least two front wheels in a direction toward the at least two rear wheels.

[0043] When the first seat frame is in the first position and the second seat frame is coupled to the stroller frame, the first and second seat frames may be in the same plane. Additionally, when the second seat frame is coupled to the stroller frame, the first and second seat frames may face each other. At least one of the first or second seat frames may be configured to support a stroller seat, crib, and / or car seat. The stroller assembly may further include at least one trim material, such as lining, foam, mesh, netting, fabric, or padding, coupled to at least a portion of the adjustable stroller assembly. The first seat frame can be rotatably coupled to the pair of laterally opposed connection points, such that the first seat frame is configured to rotate about the pair of laterally opposed connection points between the first and second positions. Therefore, the first seat frame may include one or more actuators configured to be actuated to allow rotation of the first seat frame between the first and second positions.

[0044] According to another aspect of the present invention, another adjustable stroller assembly is provided. The adjustable stroller assembly may include: a stroller frame having a pair of laterally opposed connection points; a rear seat frame configured to slidably move along the stroller frame relative to the pair of laterally opposed connection points; and a front seat frame configured to be removably coupled to the stroller frame. The stroller frame may be configured to be actuated to allow the rear seat frame to slidably move between a first position and a second position relatively higher than the first position.

[0045] According to another aspect of the present invention, another adjustable stroller assembly is provided. The adjustable stroller assembly may include a stroller frame having: a pair of laterally opposed connection points; a pair of rear support legs extending downward in a rearward direction from the pair of laterally opposed connection points; and a pair of front support legs extending downward in a forward direction from the pair of laterally opposed connection points. The stroller assembly may further include: a rear seat frame adjustablely coupled to the pair of rear support legs; and a front seat frame configured to be removably coupled to the pair of front support legs. The rear seat frame may be configured to be adjusted relative to the pair of laterally opposed connection points between a first position and a second position relatively higher than the first position.

[0046] According to another aspect of the present invention, another adjustable stroller assembly is provided. The adjustable stroller assembly may include a stroller frame having: a pair of laterally opposed connection points; a pair of rear support legs extending downward in a rearward direction from the pair of laterally opposed connection points; a pair of upper bars extending upward in a rearward direction from the pair of laterally opposed connection points; a pair of rear support bars extending between the pair of rear support legs and the pair of upper bars; and a pair of front support legs extending downward in a forward direction from the pair of laterally opposed connection points. The adjustable stroller assembly may further include: a rear seat frame adjustablely coupled to the pair of rear support bars, such that the rear seat frame is configured to be adjusted relative to the pair of laterally opposed connection points between a first position and a second position relatively higher than the first position; and a front seat frame configured to be removably coupled to the pair of front support legs.

[0047] In embodiments, the adjustable stroller assemblies described herein provide the benefit of allowing users to perform rapid transitions between different stroller configurations (e.g., switching between different combinations of seats with different orientations and heights on the stroller, adding and / or removing different stroller accessories, etc.). It should be noted that while specific types of stroller configurations (e.g., “baby strollers”) may be depicted herein, this is not intended to be limiting, and the stroller can also be provided in any other suitable configuration, such as a pet stroller, trolley, shopping basket, and / or shopping cart. Furthermore, the stroller can be configured to be adjusted according to these different types of stroller configurations.

[0048] For reference Figure 1An adjustable stroller assembly is provided. The adjustable stroller assembly 10 may include a stroller frame 100 having a first stroller seat (e.g., a rear seat 200) and a second stroller seat (e.g., a front seat 300) removably coupled to the stroller frame 100. The stroller frame 100 may be formed of one or more materials, such as metal, alloy, plastic, carbon fiber, composite materials, or combinations thereof. The stroller frame 100 may further include one or more linings, such as films, fabrics, diaphragms, shells, mesh fabrics, netting, foam, padding, or any other decorative or finishing materials or structures, or combinations thereof. Compared to conventional strollers, the stroller assembly according to this invention may be relatively more flexible, lighter, and more compact.

[0049] The rear seat 200 and / or the front seat 300 may include a frame assembly configured to accommodate an occupant (e.g., a child) in a reclining and / or seated position. For example, the rear seat 200 and / or the front seat 300 may be covered with suitable materials such as linings, foam, mesh, netting, fabric, padding, or other trim elements. Furthermore, as... Figure 1 As shown, the corresponding frame assembly may include a canopy frame configured to be covered with appropriate material to form a canopy. For example, the canopy frame may retract relative to the corresponding frame assembly to provide covered and uncovered configurations.

[0050] The rear seat 200 is adjustablely coupled to the stroller frame 100, allowing the position of the rear seat 200 to be adjusted relative to the stroller frame 100. For example, the rear seat 200 may be locked in a first position relative to the stroller frame 100, such as a relatively low position closer to the ground to provide a lower center of gravity for the stroller assembly 10. Alternatively, the rear seat 200 may be unlocked and moved relative to the stroller frame 100 to a second position, such as a relatively high position further from the ground than the first position, and locked in the second position. Therefore, the stroller frame 100 may include one or more actuators, such as buttons, switches, levels, knobs, etc., configured to be actuated by a user to allow adjustment of the rear seat 200, such that when one or more actuators are not actuated, the rear seat 200 remains in a locked configuration relative to the stroller frame 100.

[0051] Furthermore, the front seat 300 can be removably coupled to the stroller frame 100, so that when the second seat is not needed for a second child, the front seat 300 can be detached from the stroller frame 100 and stored for safekeeping. When the second seat is needed for a second child, the front seat 300 can be attached to the stroller frame 100, as described in further detail below, to accommodate the second child. Therefore, when the front seat 300 is attached to the stroller frame 100, the rear seat 200 can be locked in a first position such that the rear seat 200 and the front seat 300 face each other and are in the same plane (e.g., equidistant from the ground), so that if there is a child in each of the rear seat 200 and the front seat 300, the children can face each other and interact with each other. Figure 1 As shown, the front seat 300 can be spaced a predefined distance from the rear seat 200, thereby providing sufficient space between children seated in the front seat 300 and the rear seat 200. In some embodiments, the front seat 300 can be oriented in the same direction as the rear seat 200; for example, both the front seat 300 and the rear seat 200 can be oriented so that the children seated there face the same direction rather than facing each other. Furthermore, when one of the children needs privacy, for example, when one child is asleep or crying, the rear seat 200 can be moved to a second position and locked in that position, making the rear seat 200 relatively higher than the front seat 300, thus preventing the children from seeing each other and providing privacy for both children.

[0052] For reference Figures 2A to 2E This describes a stroller frame 100. The stroller frame 100 may include a pair of laterally opposed connection points, such as hubs 101, and a rear frame assembly 110, a front frame assembly 120, and an upper frame assembly 130, all extending from and operatively coupled to the hubs 101. The hubs 101 may be formed of one or more materials, such as metals, alloys, plastics, carbon fibers, composites, or combinations thereof. In some embodiments, the stroller frame 100 is formed of an alloy, and the hubs 101 are formed of plastic. The hubs 101 may be formed as a mirror pair, for example, having corresponding openings, edges, surfaces, or profiles. Figures 2A to 2D As shown, hub 101 can be formed as a substantially cylindrical shell, wherein one end of the respective cylinder is closed and the other end is open. For example, the closed end of hub 101 can face outwards, while the open end can face inwards, for example, to receive one or more components of stroller assembly 10. One or more portions or ends of stroller frame 100 can be received by corresponding windows, openings, slots, or tabs defined in hub 101. Hub 101 can be rigid but has some elasticity or flexibility to allow limited or defined relative movement between the components of stroller assembly 10, for example, to allow folding and unfolding of stroller assembly 10.

[0053] The rear frame assembly 110 may include a pair of rear struts, such as rear support legs 112, extending downward from the hub 101. For example, the left rear support leg of the pair of rear support legs 112 may extend from the left hub of the pair of hubs 101, and the right rear support leg of the pair of rear support legs 112 may extend from the right hub of the pair of hubs 101. When the stroller assembly 10 is in such a position... Figure 2A In the operable stroller configuration shown herein, the rear support legs 112 may extend rearwardly downward from the hub 101 at an angle relative to the vertical axis of the stroller frame 100. Each rear support leg 112 may include a proximal end 114 configured to be operably coupled to the respective hub 101, and a distal end 116 configured to be operably coupled to the respective rear wheel of the stroller frame 100 (e.g., rear wheel 118a or rear wheel 118b). For example, the left rear support leg may be operably coupled to the left rear wheel 118a, and the right rear support leg may be operably coupled to the right rear wheel 118b. The wheels described herein may be formed of any suitable material or combination of materials. Additionally, as Figure 2B As shown, the stroller frame 100 may include a rear crossbar 117 coupled to and extending between at least one of a pair of rear support legs 112, the proximal end 116 of which is either the left rear wheel 118a or the right rear wheel 118b, to provide stability, for example, for the rear frame assembly 110. The rear crossbar 117 may include a footrest that can be positioned at the center of the rear crossbar 117.

[0054] like Figure 2C As shown, each of the pair of rear support legs 112 may define a channel, parallel track, or slot, such as channel 113. For example, the corresponding channel may be located on the inward-facing side of the rear support leg 112, making it difficult to see from the outside side of the stroller frame 100. Channel 113 may be sized and shaped to receive a corresponding pin (e.g., pin 209) of the corresponding connecting link 204 of the rear seat 200, such that the rear seat 200 can move along the rear support leg 112 within the corresponding channel, for example, in... Figure 2D The arrow shown in the image can be slidably moved in the direction of the arrow.

[0055] like Figure 2A As shown, the rear seat 200 may include a rear seat frame 202, which includes a pair of connecting rods 204 configured to be slidably coupled to a pair of rear support legs 112. For simplicity, Figures 2B to 2E Only the connecting rod 204 of the rear seat frame 202 is described.

[0056] As described above, each connecting link 204 may include a protrusion, such as a pin 209, that is sized and shaped to securely engage with a corresponding channel of the rear outrigger 112. Figure 2B and 2CAs shown, the rear seat frame 202 may further include a crossbar 205 extending between the pair of connecting links 204. Therefore, a pin 209 may be disposed within the crossbar 205 and operatively coupled to an actuator 207 disposed on the crossbar 205. For example, when the actuator 207 is not actuated, the pin 209 may engage with a channel 113, thereby locking the position of the rear seat frame 202 relative to the rear support leg 112. Therefore, the rear support leg 112 may include a locking mechanism, such as a latch, tab, or lock, configured to lock the pin 209 of the rear seat 200 relative to the rear support leg 112 within the corresponding channel 113. Furthermore, when the actuator 207 is actuated, the pin 209 may retract, for example, within the crossbar 205, such that the pin 209 is disengaged within the channel 113 and the rear seat frame 202 can move within the channel 113 relative to the rear support leg 212. For example, when pin 209 is disengaged within channel 113, pin 209 can still be positioned within channel 113 in the unlocked state, allowing the movement of the rear seat 200 along the rear support leg 212 to be guided by pin 209 within channel 113. The locking mechanism can lock the rear seat 200 in a first position at the lower end of the corresponding channel and a second position at the upper end of the corresponding channel, such that the rear seat 200 is relatively higher in the second position than in the first position.

[0057] In some embodiments, the locking mechanism may lock the rear seat 200 in an incremental position along the length of a corresponding passage between the first and second positions. As described above, the stroller frame 100 may include one or more actuators, such as actuator 207, buttons, switches, levels, knobs, etc., configured to be actuated by a user to unlock the locking mechanism, allowing the rear seat 200 to be adjusted relative to the rear support leg 112. Additionally, when one or more actuators are no longer actuated, for example, when released, the locking mechanism will lock the rear seat 200 in place relative to the rear support leg 112. For example, actuation of actuator 207 may unlock the locking mechanism with pin 209, and release of actuator 207 may relock the locking mechanism with pin 209.

[0058] like Figure 2A As shown, the rear seat frame 202 may include a canopy frame 206 configured to couple to materials forming a canopy of the rear seat 200. The canopy frame 206 may include a plurality of retractable canopy links, allowing the canopy frame 206 to... Figure 2A The text shows the transition / folding between uncovered and covered configurations.

[0059] The front frame assembly 120 may include a pair of front struts, such as front support legs 122, extending downward from the hub 101. For example, the left front support leg of the pair of front support legs 122 may extend from the left hub of the pair of hubs 101, and the right front support leg of the pair of rear support legs 122 may extend from the right hub of the pair of hubs 101. When the stroller assembly 10 is in the position of... Figure 2A In the operative configuration shown herein, the front support legs 122 may extend downward from the hub 101 in a forward direction at an angle relative to the vertical axis of the stroller frame 100. Each front support leg 122 may include a proximal end 124 configured to operatively couple to the respective hub 101, and a distal end 126 configured to operatively couple to the respective front wheel of the stroller frame 100 (e.g., front wheel 128a or front wheel 128b). For example, the left front support leg may be operatively coupled to the left front wheel 128a, and the right front support leg may be operatively coupled to the right front wheel 128b. The wheels described herein may be formed of any suitable material or combination of materials.

[0060] In some embodiments, the stroller frame 100 may include a front crossbar coupled to and extending between at least one of a pair of front support legs 122, specifically the proximal end 126, or the left front wheel 128a and the right front wheel 128b, to provide, for example, stability to the front frame assembly 120. Furthermore, each of the pair of front support legs 122 may include a connecting mount 127 configured to removably couple to a pair of corresponding connecting links of the front seat 300, as described in further detail below. Figure 2A As shown, each of the pair of laterally opposed hubs 101 may be offset from the geometric center of the stroller frame 100 between the front wheels 128a, 128b and the rear wheels 118a, 118b in a direction toward the rear wheels 118a, 118b. For example, hub 101 may be closer to the rear wheels 118a, 118b than the front wheels 128a, 128b. The front frame assembly 120 may facilitate the distribution of the child's load or weight along the stroller frame 100. The front frame assembly 120 may also facilitate the folding of the stroller assembly 10, for example, for storage or transport. For example, one or both of the front frame assembly 120 and the rear frame assembly 110 may be configured to rotate toward each other about hub 101 to ultimately fold the stroller assembly 10, and to rotate away from each other to unfold the stroller assembly 10.

[0061] The upper frame assembly 130 may include a pair of upper rods 132 extending upward from the hub 101. For example, the left upper rod of the pair of upper rods 132 may extend from the left hub of the pair of hubs 101, and the right upper rod of the pair of upper rods 132 may extend from the right hub of the pair of hubs 101. When the stroller assembly 10 is in such a position... Figure 2A When the operable stroller configuration shown in the diagram is achieved, the top bar 132 can extend upward from the hub 101 in a rearward direction at an angle relative to the vertical axis of the stroller frame 100. Each top bar 132 may include a proximal end 134 configured to be operably coupled to the corresponding hub 101, and a distal end 136 configured to be coupled to the handle 138.

[0062] like Figure 2BAs shown, a handle 138 extends between the distal ends 136 of a pair of upper rods 132. The handle 138 may be U-shaped and / or adjustable or foldable, and, for example, provide additional protection for the child's body or head when the rear seat 200 is in the first position. For example, a user may hold or grip a portion of the handle 138 to guide the movement of the stroller assembly 10 in an operable stroller configuration. The upper frame assembly 130 may further act as a truss to redistribute load or weight and further support the lower frame assembly 110 and the overall stroller frame 100. Figure 2B As shown, the upper frame assembly 130 may include a crossbar 137 extending between the distal ends 136 of a pair of upper bars 132 to provide lateral support and stability for the upper assembly 130 and the overall stroller frame 100. A handle 138 may be rotatably coupled to the crossbar 137, for example, via an actuator position on the crossbar 137.

[0063] The stroller frame 100 can be folded, for example, by relative rotation of hubs 101 about portions of the stroller frame 100. For example, the stroller assembly 10 can be folded for storage in a stowage configuration. Therefore, the stroller frame 100 may include a folding locking mechanism coupled to the upper frame assembly 130. The folding locking mechanism resists folding of the stroller frame 100 about a pair of laterally opposing hubs 101. The folding locking mechanism may include an actuator, such as a button, configured to temporarily overcome folding resistance. For example, cables, chains, pins, or other mechanisms preventing one or more portions of the stroller frame 100 from folding about the hubs 101 may be mechanically coupled to the actuator, such that actuating the actuator (e.g., pressing a button) disengages the cable or pin, allowing the folding of the stroller frame 100 to continue.

[0064] For reference Figure 3 Removable front seat accessories are available. Figure 3 As shown, the front seat 300 may include a front seat frame 302, which includes a pair of connecting rods 304 configured to be removably coupled to a pair of connecting mounts 127. For example, the connecting rods 304 may be coupled to the connecting mounts 127 via screw attachments, friction attachments, snap-fit ​​attachments, clamping attachments, etc. Furthermore, the front seat frame 302 may include a canopy frame 306 configured to be coupled to a material forming the canopy of the front seat 300. The canopy frame 306 may include a plurality of retractable canopy links, such that the canopy frame 306 can be retracted as... Figure 3 The diagram shows the transition / folding between the uncovered and covered configurations. Therefore, when the stroller assembly 10 is only needed to accommodate a single child, the front seat 300 can be removed, and when the stroller assembly 10 is used to accommodate a second child in addition to the first child, the front seat 300 can be reattached to the stroller frame 100.

[0065] For reference Figure 4 This describes the adjustment of the rear seat 200 of the stroller assembly 10. As described above, when one of the two children sitting in the rear seat 200 or the front seat 300 needs privacy, such as when one child is asleep or crying, the rear seat 200 can be moved to a second position and locked in that second position, so that the rear seat 200 is relatively higher than the front seat 300, as... Figure 4 As shown in the illustration. For example, the locking mechanism of the stroller frame 100 can be unlocked, for example, via an actuator, and the rear seat 200 can be moved to a second position by sliding the connecting rod 204 of the rear seat 200 along a corresponding channel of the rear support leg 112 in an upward direction, and locked in the second position via the locking mechanism. Thus, the children cannot see each other, thereby providing privacy for the two children. Furthermore, the locking mechanism of the stroller frame 100 can be unlocked, for example, via an actuator, and the rear seat 200 can be moved back to a first position by sliding the connecting rod 204 of the rear seat 200 along a corresponding channel of the rear support leg 112 in a downward direction, and locked in the first position via the locking mechanism. In some embodiments, the rear seat 200 may be non-slidable, and instead can be fixed in place by being removed and reinstalled at each different position along the rear support leg 112.

[0066] For reference Figure 5A and 5B An adjustable crib-style stroller assembly is provided. The adjustable crib-style stroller assembly 500 may include a stroller frame 100' having a first stroller seat (e.g., a rear crib 501) and a second stroller seat (e.g., a front crib 510) removably coupled to the stroller frame 100'. The rear crib frame 502 and / or the front crib frame 512 may be covered with suitable materials, such as linings, foam, mesh, netting, fabric, padding, or other decorative elements, to form a crib, such as... Figure 5A and 5B As shown in the image. Additionally, the crib frame may include a canopy section that retracts relative to the corresponding crib frame assembly to provide covered and uncovered configurations.

[0067] The stroller frame 100' may be constructed similarly to the stroller frame 100, having similar components with the same superscript reference numerals. The stroller frame 100' differs from the stroller frame 100 in that the rear frame assembly of the stroller frame 100' is configured to be slidably coupled to the rear crib 501, and the front frame assembly of the stroller frame 100' is configured to be removably coupled to the front crib 510. For example, the rear crib 501 includes a rear crib frame 502 having a pair of connecting links 504 slidably engaging within a pair of corresponding channels extending within the rear support legs 112', such that the rear crib 501 can move along the rear support legs 112' as... Figure 5A The first position shown in the middle and such Figure 5B The baby carriage is slidably movable between a second position, which is relatively higher than the first position, as shown in the diagram. The connecting rod 504 may be constructed similarly to the connecting rod 204 of the rear seat frame 202. Furthermore, the front crib 510 includes a front crib frame 512 with a pair of connecting rods 514 configured to removably couple to a connecting mount 127' of the stroller frame 100'.

[0068] Those skilled in the art will understand that various seating frames can be used with the stroller assemblies described herein. For example, in addition to the stroller seats and cribs described above, a rear car seat can be slidably coupled to the stroller frame, and a front car seat can be removably coupled to the stroller frame. Furthermore, in some embodiments, the rear seat can be removably attached to the stroller frame. Additionally, the front seat can be slidably moved along the stroller frame relative to a lateral opposing hub.

[0069] For reference Figure 6 An alternative stroller assembly is provided. The stroller assembly 600 may include a stroller frame 100'' having a first stroller seat (e.g., a rear seat 200') and a second stroller seat (e.g., a front seat 300') removably coupled to the stroller frame 100''. The stroller frame 100'' may be constructed similarly to the stroller frame 100, having similar components with the same double superscript reference numerals. Furthermore, the rear seat 200' and the front seat 300' may be constructed similarly to the rear seat 200 and the front seat 300, respectively, having similar components with the same superscript reference numerals.

[0070] The stroller frame 100'' and rear seat 200' differ from stroller frame 100 and rear seat 200 in that the rear seat 200' is rotatably coupled to a pair of laterally opposed hubs 101'' of the stroller frame 100'', thereby allowing adjustment of the rear seat 200' relative to the hubs 101''. For example, the rear seat 200' may include a rear seat frame having a pair of rotatably connecting links 602 rotatably coupled to the hubs 101'', such that the rear seat 200' is rotatably movable between a first position 602a and a second position 602b relatively higher than the first position 602a. Additionally, the stroller frame 100'' may include a locking mechanism configured to lock the rear seat 200' relative to the stroller frame 100'' in the first position 602a and the second position 602b. In addition, the stroller frame 100'' may include one or more actuators configured to be actuated to allow the rear seat 200' to shift between a first position 602a and a second position 602b.

[0071] For reference Figure 7 This provides an alternative stroller frame. Stroller frame 100''' may be constructed similarly to stroller frame 100, having similar components with the same three superscript reference numerals. The difference between stroller frame 100''' and stroller frame 100 is that stroller frame 100''' includes a pair of rear seat support bars 700. For example... Figure 7 As shown, the upper rod 132''' can extend upward from the pair of laterally opposite connection points 101''', and the rear support leg 112''' can extend downward from the pair of laterally opposite connection points 101''', such that the support rod 700 can extend from the upper rod 132''' toward the rear support leg 112'''. For example, the lower end 702 of the support rod 700 can be coupled to the rear support leg 112''', and the upper end 704 of the support rod 700 can be coupled to the upper rod 132'''. Furthermore, the support rod 700 may have a channel constructed therein, similar to the channel 113 of the stroller frame 100, configured to slidably engage with a corresponding pin of the rear seat frame. Therefore, the rear support leg 112''' may not have a channel therein. Thus, the rear seat frame can move along the channel of the support rod 700 between a first position toward the lower end 702 and a second position toward the upper end 704, which is relatively higher than the first position.

[0072] For reference Figure 8This provides an alternative front seat mounting assembly. The front frame assembly 120'''' may be constructed similarly to the front frame assembly 120, having similar components with the same four superscript reference numerals. The difference between the front frame assembly 120'''' and the front frame assembly 120 is that the mounting member 127'''' is pivotally coupled to the mounting assembly 800, which is configured to couple to the upper seat frame. Therefore, the upper seat frame may not include the connecting link 304, but can be removably coupled to the mounting assembly 800. As... Figure 8 As shown, the mounting assembly 800 is pivotally coupled to the mounting member 127'''' via a pivot point 802, such that the mounting assembly 800 can rotate about the pivot point 802 between a ready position and a stowed position (indicated by dashed lines), in which the mounting assembly 800 is guided inward to reduce the profile of the front frame assembly 120'''', for example, to avoid unintentional collisions between the mounting assembly 800 and external objects when the mounting assembly 800 is in the ready position.

[0073] Figure 9 This describes a foldable front seat frame 900 (e.g., front seat frame 302 and / or any other front seat frame described herein) for adjustable stroller assemblies (e.g., any stroller assembly described herein, such as stroller assembly 10, 500, 600, etc.). The front seat frame 900 may include a pair of laterally opposed connecting links, and includes an inwardly rotatable and foldable configuration (also...). Figure 11B (As shown in the image) The first connecting rod 902 and the second connecting rod 904 are stored under the footrest 910 (the second connecting rod 904 is in...) Figure 9 Not shown in the text, but at least in Figures 11A to 11B (As shown in the image). Figure 9 As shown, the rotation of the first front seat frame 900 can be performed about axis 903. Although Figure 9 Not shown, but the second connecting rod 904 can be rotated in a similar manner to be stored under the footrest 910. The front seat frame 900 is foldable to provide a more compact configuration for the adjustable stroller assembly for storage or transport (e.g., when the seat is not inserted into the front seat frame).

[0074] Figures 10A to 10B Instructions for folding and unfolding Figure 9 The locking and unlocking mechanism of the front seat frame 900 (the figure shows a close-up view of the second connecting link 904). Figures 10A to 10BAs shown, the locking and unlocking mechanism includes a tab 1012 coupled to a pin 1014 within the second connecting link 904. In an embodiment, the user can access the tab 1012 from inside the second connecting link 904 (and / or the first connecting link 902). However, the locking and unlocking mechanism may also be additionally located on the outside of the second connecting link 904 (e.g., the tab 1012 may be located on the outside of the second connecting link 904, rather than as shown). Figures 10A to 10B (The internal access shown in the document) and / or any other location.

[0075] When the current seat frame 900 is locked in the unfolded position, the tab 1012 is in the first position (e.g. Figure 10A (As shown in the diagram), and pin 1014 is positioned within a hole 1016 in the footrest 910. When pin 1014 is positioned within hole 1016, pin 1014 prevents the second connecting link 904 from rotating to the folded position. Therefore, the front seat frame 900 remains locked in the unfolded position.

[0076] When the second connecting rod 904 is to be folded behind the footrest 910 for storage, the user can push the tab 1012 upwards to the second position (in...). Figure 10B (As shown in the image). This then moves pin 1014 upward and out of the aperture 1016. In this second position, pin 1014 no longer prevents the rotation of the second connecting rod 904, and the second connecting rod 904 can then rotate about axis 903 and fold under the footrest 910.

[0077] In this embodiment, the locking and unlocking mechanism may also be spring-loaded, such that when the second connecting rod 904 rotates back to the unfolded position, the pin 1014 returns to the interior of the aperture 1016 and the tab 1012 returns to the first position, locking the second connecting rod 904 in the unfolded position. That is, when the user releases the tab 1012 after pushing it, the tab 1012 returns to the first position. Although not shown in the figure, a similar locking and unlocking mechanism may also be used for the first connecting rod 902.

[0078] Figures 11A to 11B The description indicates that the configuration is in an expanded state. Figure 11A ) and folding configuration ( Figure 11B A comparison between the front seat frames of the 900 series. Specifically, Figure 11A The illustration shows a perspective view of the front seat frame 900, with one side of the front seat frame 900 in an unfolded configuration (e.g., the second connecting link 904) and the other side in a folded configuration (e.g., the first connecting link 902). Figure 11B This indicates that the device is in a folded configuration, allowing both the first connecting rod 902 and the second connecting rod 904 to be stored under the foot rest 910 for easy organization. Figure 9Bottom-up view of both sides of the front seat frame. Figure 11B As shown, the first connecting link 902 and the second connecting link 904 rotate inward and are positioned in a folded configuration below the footrest 910. When it is desired to return the first connecting link 902 and the second connecting link 904 to the unfolded configuration (e.g., unfolding the stroller assembly to provide a seat within the first connecting link 902 and the second connecting link 904), the first connecting link 902 and the second connecting link 904 can rotate outward and upward. When the first connecting link 902 and the second connecting link 904 are fully rotated to the unfolded position, the pin 1014 can be slidably inserted into the hole 1016 to lock the second connecting link 904 in the unfolded position (in some examples, a similar mechanism may also be applied to the first connecting link 902).

[0079] Figures 12A to 12G This invention describes an alternative single seat arrangement on an adjustable stroller assembly 1200 based on the principles of this invention.

[0080] Figure 12A The first configuration is shown, in which the seat frame 1202 of the first type of seat 1203 (such as seat frame 202 described herein or any other seat frame) is inserted into the corresponding channel of the rear support leg 1222 of the adjustable stroller assembly 1200. Figure 12A In this configuration, the first type of seat 1203 is positioned at a first height along a corresponding passage. The first type of seat 1203 is also positioned in a first orientation (e.g., rearward). Figure 12B The second configuration is shown, in which the first type of seat 1203 is set in a different orientation (e.g., facing forward).

[0081] Figure 12C A third configuration is shown, in which the seat frame 1208 of the second type of seat 1204 (such as seat frame 202 described herein or any other seat frame) is inserted into the corresponding channel of the rear support leg 1222 of the adjustable stroller assembly 1200. Figure 12C In this configuration, the second type of seat 1204 is positioned at a first height along a corresponding passage. The second type of seat 1204 is also positioned in a first orientation (e.g., rearward). Figure 12D A fourth configuration is shown, in which a third type of seat 1206 is also positioned at the same height by inserting the seat frame 1212 into the corresponding channel of the rear support leg 1222 of the adjustable stroller assembly 1200. The third type of seat 1206 is also positioned in a first orientation (e.g., rear-facing).

[0082] Figure 12EThe fifth configuration is shown, in which the seat frame 1202 of the first type of seat 1203 is inserted into the corresponding channel of the rear support leg 1222 of the adjustable stroller assembly 1200. Figure 12E In the middle, the first type of seat 1203 is set along the corresponding channel in a different way than Figure 12A The first type of seat 1203 is shown at its height. The first type of seat 1203 is also set in a first orientation (e.g., facing backward). Figure 12F The sixth configuration is shown, in which the first type of seat 1203 is oriented differently (e.g., facing forward) and in a different position. Figure 12B The height setting of the first type of seat 1203 shown in the image.

[0083] Figure 12G The seventh configuration is shown, in which the third type of seat 1206 is set differently from... Figure 12D The third type of seat 1206 shown in the image is at a certain height. Figure 12G The third type of seat 1206 shown in the image is also set in the first orientation (e.g., rearward).

[0084] Figures 13A to 13D This describes the alternative inline double seat arrangement on the adjustable stroller assembly 1300.

[0085] Figure 13A A first seat 1302 and a second seat 1304 (both of which may be seats of the first type) are shown at the same height but with different orientations. For example, the first seat 1302 is shown facing a first orientation (e.g., forward) and the second seat 1304 is shown facing a second orientation (e.g., rearward). Therefore, the first seat 1302 and the second seat 1304 are at the same height and facing each other. Figure 13B A first seat 1306 and a second seat 1308 (both of which may be seats of the first type) are displayed at the same height and in the same orientation. That is, the first seat 1306 and the second seat 1308 are both at the same height and both face forward.

[0086] Figure 13C A first seat 1310 and a second seat 1312 are shown at the same height but with different orientations. The first seat 1310 may be a first type of seat and the second seat 1312 may be a second type of seat. For example, the first seat 1310 is shown facing a first orientation (e.g., forward) and the second seat 1312 is shown facing a second orientation (e.g., rearward). Therefore, the first seat 1310 and the second seat 1312 are at the same height but facing different directions. Figure 13DA first seat 1314 and a second seat 1316 are shown at the same height but with different orientations. The first seat 1314 may be a third type of seat and the second seat 1316 may be a first type of seat. For example, the first seat 1314 is shown facing a second orientation (e.g., rearward) and the second seat 1316 is shown facing a first orientation (e.g., forward). That is, the first seat 1314 and the second seat 1316 are at the same height and face each other.

[0087] Figures 14A to 14Q This describes the alternative staggered double seat arrangement on the adjustable stroller assembly 1400.

[0088] Figure 14A A first seat 1402 and a second seat 1404 (both of which may be seats of the first type) are shown at different heights and in the same orientation. For example, the first seat 1402 and the second seat 1404 are both shown facing a second orientation (e.g., facing rearward). Therefore, the first seat 1402 and the second seat 1404 are at different heights and facing each other. Figure 14B The first seat 1406 and the second seat 1408 (both of which may be seats of the first type) are also set at different heights and in the same orientation. However, the first seat 1406 and the second seat 1408 both face forward rather than backward.

[0089] Figure 14C A first seat 1410 and a second seat 1412 (both of which may be seats of the first type) are shown at different heights and in different orientations. For example, the first seat 1410 is shown facing a first orientation (e.g., forward) and the second seat 1412 is shown facing a second orientation (e.g., rearward). Therefore, the first seat 1410 and the second seat 1412 are at different heights and back to back. Figure 14D The first seat 1414 and the second seat 1416 are also shown at different heights and facing opposite directions. However, Figure 14D The second seat 1416 is set slightly below Figure 14C At the height of the second seat 1412.

[0090] Figure 14E A first seat 1418 and a second seat 1420 (both of which may be seats of the first type) are shown at different heights and in different orientations. For example, the first seat 1418 is shown facing a first orientation (e.g., forward) and the second seat 1420 is shown facing a second orientation (e.g., rearward). Therefore, the first seat 1418 and the second seat 1420 are at different heights and facing each other. Figure 14F The first seat 1422 and the second seat 1424 are displayed at different heights but facing the same direction.

[0091] Figure 14G A first seat 1426 and a second seat 1428 (both of which may be seats of the first type) are shown at different heights and in the same orientation. For example, the first seat 1426 and the second seat 1428 are both shown facing a first orientation (e.g., facing forward). Figure 14H The first seat 1430 and the second seat 1432 are shown at different heights and facing the same direction. The first seat 1430 and the second seat 1432 may also be seats of the first type.

[0092] Figure 14I A first seat 1434 and a second seat 1436 (both of which may be seats of a second type) are shown at different heights and in the same orientation. For example, the first seat 1434 and the second seat 1436 are shown facing a second direction (e.g., rearward). Figure 14J The first seat 1438 and the second seat 1440 are also shown at different heights and facing the same direction. However, both the first seat 1438 and the second seat 1440 face rearward. The first seat 1438 and the second seat 1440 may also be a third type of seat.

[0093] Figure 14K A first seat 1442 and a second seat 1444 (both of which may be third type seats) are shown at different heights and in the same orientation. For example, the first seat 1442 and the second seat 1444 are shown facing a second direction (e.g., rearward). Figure 14L The first seat 1446 and the second seat 1448 are also shown at different heights and facing backwards. The first seat 1446 may be a first type of seat and the second seat 1448 may be a second type of seat.

[0094] Figure 14M A first seat 1450 (which may be a second type of seat) and a second seat 1452 (which may be a first type of seat) are shown at different heights and in the same orientation. For example, both the first seat 1450 and the second seat 1452 are shown facing a second direction (e.g., rearward). Figure 14N The first seat 1454 and the second seat 1456 are also shown at different heights and facing backwards. The first seat 1454 may be a second type of seat and the second seat 1456 may be a third type of seat.

[0095] Figure 14OA first seat 1458 (which may be a first type of seat) and a second seat 1460 (which may be a third type of seat) are shown at different heights and in different orientations. For example, the first seat 1458 is shown facing a first direction (e.g., forward) and the second seat 1460 is shown facing a second direction (e.g., rearward). Figure 14P The first seat 1462 and the second seat 1464 are also shown at different heights and facing backwards. The first seat 1462 may be a first type of seat and the second seat 1464 may be a third type of seat.

[0096] Figure 14Q A first seat 1466 (which may be a third type of seat) and a second seat 1468 (which may be a first type of seat) are shown at different heights and in the same orientation. For example, both the first seat 1466 and the second seat 1468 are shown facing a second orientation (e.g., rearward).

[0097] It should be noted that Figures 12A to 14Q The configurations shown are merely illustrative, and any other configurations of different types of seats at different heights and orientations can be used. Furthermore, any other combination of different types of seats in any of these configurations, including seat types not shown herein, can be used.

[0098] Figure 15 This describes an alternative adjustable stroller assembly 1500. The alternative adjustable stroller assembly 1500 is similar to other adjustable stroller assemblies described herein, but also includes an additional crossbar 1502 located between the first rear support leg 1504 and the second rear support leg 1506. The crossbar 1502 provides additional stability to the adjustable stroller assembly 1500. The crossbar 1502 may also be additionally located at any other position on the adjustable stroller assembly 1500 (or any other stroller assembly described herein). The adjustable stroller assembly 1500 may also be without the crossbar 1502.

[0099] Figure 16 Description of Alternate Seat 1600. Alternate Seat 1600 is configured to easily fold and rotate around the stroller frame for compact storage and / or transport of Seat 1600 and / or the stroller to which Seat 1600 is mounted. Figure 17 Description includes canopy 1702 Figure 16 Seat 1600. Seat 1600 includes several features, such as: (1) when seat 1600 is folded, the reclining hard stop mechanism of seat 1600 (in Figures 19A to 19D(1) Disengagement allows the seat to rotate around the stroller assembly when the seat 1600 is folded, (2) the seat 1600 is folded by sliding the leg rest 1608 upward, and (3) the seat 1600 is folded by rotating around the reclining hub (e.g., hubs 1610 and 1612) without the need for an actuator.

[0100] Some standard stroller assembly seats have a limited reclining angle. This is to ensure the seat cannot be used unsafely. For example, if the reclining restriction is not in place, the seat and rear section may rotate beyond a horizontal position. However, when the stroller assembly is folded, the seat typically protrudes at an angle from the stroller assembly due to the limited reclining mechanism.

[0101] When the seat 1600 described herein is folded into a compact fold, the seat 1600 allows for a retractable reclining restriction. When the seat 1600 is in an unfolded position for use (e.g., unfolded so that a child can sit in the seat 1600), the rotation of the rear portion 1604 can be limited to a specific range. For example, the rear portion 1604 can be limited to 85 degrees upward relative to the ground.

[0102] Given that this Seat 1600 utilizes a two-piece design, the seat mounting position can be lowered. Instead of placing the seat mount on the top ring, it can be positioned near the seat seam. This helps keep the seat lower on the frame and reduces the overall height and size of the seat mount on the stroller frame. A lower seat improves stability, and a shorter seat mount increases strength.

[0103] The alternative seat 1600 includes a rear portion 1604, a seat portion 1606, and a leg rest 1608. A pair of laterally opposed hubs (e.g., a first hub 1610 and a second hub 1612) are located at the connection point between the rear portion 1604 and the seat portion 1606. A second pair of laterally opposed hubs (e.g., a third hub 1614 and a fourth hub 1618) are located at the connection point between the seat portion 1606 and the leg rest 1608. The hubs include mechanisms for controlling the manipulation of the seat 1600 (e.g., rotation of the seat 1600 relative to the stroller assembly, rotation of the seat portion 1606 relative to the rear portion 1604, rotation of the leg rest 1608 relative to the seat portion 1606, etc.). In this way, the hubs allow the seat 1600 to be changed from an unfolded configuration to a folded configuration, providing easier transport and / or storage of the seat 1600.

[0104] In one embodiment, seat 1600 includes a rear frame 1630 disposed around a rear portion 1604 and including an internal channel (which may be a hollow interior of the rear frame 1630). The seat also includes a leg rest frame 1640 disposed around a leg rest 1608. The channel may accommodate one or more cables capable of being operatively coupled to one or more mechanisms within a first hub 1610 and a second hub 1612. A button 1620 may be located on the rear portion 1604 for controlling movement of one or more cables within the channel. If the recline button is pressed, seat 1600 can rotate to its most reclined position. For example, this could be 40 degrees upward from the ground. The recline restriction prevents seat 1600 from being in use outside the car seat backrest angle. When seat 1600 is open and in the use position, its rotation needs to be restricted. When the seat is folded, seat 1600 can rotate further forward and backward compared to the recline rotation. This is because, in order to achieve a compact folding of the two seats mounted to the frame, there are examples where one seat can be folded forward and the other seat can be folded backward.

[0105] Such as about Figures 19A to 19D In additional detail, the user can press button 1620 to retract one or more cables upwards (increasing tension in the cables) a specific distance into the channel. This upward movement of the one or more cables into the channel causes the mechanism to which the one or more cables are operatively coupled upwards, which results in a change in the mechanism allowing the seat 1600 to rotate (the specific mechanism and the resulting changes are detailed in...). Figures 19A to 19D (See description). The use of a single button 1620 provides increased usability due to its simple design (the seat 1600 can be folded without the use of auxiliary buttons).

[0106] Figure 18A This indicates that it is in a folded configuration. Figure 16 Side view of seat 1600. Figure 18B This indicates that it is in a folded configuration. Figure 16 A perspective view of the seat at 1600 degrees.

[0107] Figures 19A to 19D illustrate Figure 16 The assembly of the hub (e.g., hub 1610) of the seat 1600. The components included in the hub 1610 may be configured to allow the rear portion 1604 of the seat 1600 to rotate relative to the seat portion 1606 of the seat 1600 (e.g., to recline the rear portion 1604).

[0108] by Figure 19ABeginning with an exploded view of the components included in hub 1610. Hub 1610 may include a housing 1906 that may accommodate at least a first seat frame connector 1902 and a second seat frame connector 1904. Housing 1906 is removably coupled to the frame of an adjustable stroller (which may be any stroller described herein), such as front seat frame 302 (as a non-limiting example), so that seat 1600 can be mounted on the adjustable stroller. First seat frame connector 1902 is operatively coupled to the rear frame 1630 of seat 1600 such that rotation of the rear portion 1604 of seat 1600 causes rotation of first seat frame connector 1902 relative to hub 1610. Second seat frame connector 1904 is operatively coupled to the leg rest frame 1640 of seat 1600 such that rotation of seat portion 1606 causes rotation of second seat frame connector 1904 relative to hub 1610.

[0109] Within the hub 1610, a reclining gear 1908 configured to provide limited rotation of the seat 1600 when in the unfolded configuration may be provided. That is, the reclining gear 1908 is a mechanism for adjusting the rotation of the first seat frame joint 1902 relative to the adjustable stroller. The reclining gear 1908 is typically housed within both the first seat frame joint 1902 and the housing 1906. The first seat frame joint 1902 and the housing 1906 each contain a set of teeth (e.g., in...). Figures 19A to 19B The image shows a tooth 1905 inside the first seat frame joint 1902. This tooth meshes with the teeth on the helical gear 1908 to prevent rotation of the first seat frame joint 1902 and the seat 1600 relative to the housing 1906.

[0110] To provide a mechanism through which the seat 1600 can be rotated to a limited extent, a pin 1910 is provided. The distal end 1911 of the pin 1910 has a hole 1907 for a helical gear 1908, and the proximal end 1909 of the pin 1910 is disposed within a slot 1920 within the first seat frame connector 1902. When the helical gear 1908 is pushed out of the first seat frame connector 1902 and into the housing 1906, the first seat frame connector 1902 is capable of rotating relative to the housing 1906 with a limited capacity, the rotation being limited by a torque exerted by the pin 1910 within the slot 1920 between the first end 1922 and the second end 1924.

[0111] In one embodiment, button 1620 can be used to push the helical gear 1908 into housing 1906 to allow for limited rotation. Button 1620 is operatively connected to cable 1916 within a channel in rear frame 1630. When the user pushes (or pulls) button 1620, cable 1916 can be pulled upward within the channel, necessarily causing ramp element 1914 within hub 1610 to rise. Figure 19CAs shown, gear connector 1912 includes a first ramp portion 1931 and ramp element 1914 includes a corresponding second ramp portion 1932. When the assembly is assembled within hub 1610 and gear connector 1912 and ramp element 1914 are in contact, the first ramp portion 1931 and the second ramp portion 1932 are in contact. When the user presses (or pulls) button 1620 and ramp element 1914 is pulled upward by cable 1916, ramp portion 1932 slides relative to ramp portion 1931. This causes gear connector 1912 to move outward away from ramp element 1914. The movement of gear connector 1912 necessarily pushes the slanted gear 1908 out of first seat frame connector 1902 and fully into housing 1906.

[0112] When button 1620 is released, the tension in cable 1916 is removed and ramp element 1914 returns to its original position. Gear connector 1912 returns to its original position closer to ramp element 1914, and slant gear 1908 returns to its original position within both housing 1906 and first seat frame connector 1902, thereby reintroducing rotational constraints on slant gear 1908.

[0113] Seat 1600 can also be configured to perform unrestricted rotation when seat 1600 is in a folded configuration. This is advantageous, for example, if seat 1600 is mounted on a stroller assembly and it is desired to fold the stroller assembly. As previously described, reclining gear 1908 is operatively connected to gear connector 1912 via a hole 1903 in the first seat frame connector 1902. Gear connector 1912 can also be connected to ramp element 1914, which is connected to a second seat frame connector 1904. Ramp element 1914 is also connected to cable 1916 disposed within a channel in the rear frame 1630.

[0114] To eliminate the rotational restriction caused by the pin 1910 being positioned within the slot 1920 of the first seat frame connector 1902, one or more protrusions 1933 may be provided on the second seat frame connector 1904. When the seat portion 1606 and / or the leg rest 1608 are rotated to the folded position, at least one of the protrusions 1933 may also rotate into the slot 1920. The protrusion may also protrude into the slot 1920, which similarly pushes the pin 1910 away from the slot 1920.

[0115] Similarly, at least one of the protrusions 1933 may engage with the protrusion 1934 on the ramp element 1914. This engagement causes the ramp element 1914 to be pushed upward in a manner similar to that of the ramp element 1914 being pulled upward by the cable 1916. Thus, rotating the seat portion 1606 and / or the leg rest 1608 upward to produce a folding configuration of the seat 1600 both pushes the pin 1910 outward from the slot 1920 and pushes the slant gear 1908 out of the first seat frame joint 1902 and into the housing 1906. These two actions eliminate the rotational restriction on the seat 1600 imposed on it by the combination of the slant gear 1908 and the pin 1910.

[0116] Once pin 1910 is pushed out of slot 1920, seat 1600 can rotate freely around hubs 1610 and 1614. For example, if seat 1600 is mounted on a stroller assembly, then once seat 1600 is folded, seat 1600 can rotate around the stroller assembly (without requiring the user to press button 1620). When seat 1600 is unfolded, protrusion 1932 disengages from slot 1920 and pin 1910 returns to slot 1920.

[0117] Figure 20 illustrate Figure 16 The seat 1600 is an assembly of another hub 1614 (e.g., a hub that controls the rotation of the leg rest 1608 relative to the seat portion 1606). Hub 1614 can serve as a connection joint between the first seat frame joint 1902 and the first leg rest joint 2002. The first leg rest joint 2002 can be configured to rotate relative to the first seat frame joint 1902 using a gear 2004 disposed within hub 1614. This rotational capability allows the leg rest 1608 to rotate relative to the seat portion 1606 (the lower seat frame 1640 relative to the first seat frame joint 1902). For example, a user can grasp the lower frame 1640 of the seat 1600 to rotate the leg rest 1608 around hub 1614.

[0118] Figures 21A to 21B Explanation of alternative seat 2100. Seat 2100 is capable of being used with... Figure 16 The text describes alternative seat configurations for seat 1600 that fold in different ways. Specifically, by using a sliding seat frame, seat 2100 can be folded into a compact configuration. Figure 21A The display shows seat 2100 in its unfolded configuration. Figure 21B The 2100 seat is shown in its folded configuration.

[0119] In one embodiment, seat 2100 includes a top frame 2102 and a bottom frame 2104. The bottom frame 2104 is configured to slide relative to the top frame 2102, such that the bottom frame 2104 can slide upward toward the top frame 2102. As the bottom frame 2104 slides upward along the top frame, the size of seat 2100 decreases. Given the dimensions of the seat back 2110, seat bottom 2112, and sliding length, seat 2100 is capable of self-folding. When seat 2100 is in its use position (e.g., when unfolded...), Figure 21A As shown in the figure, the frame (including the top frame 2102 and the bottom frame 2104), the seat bottom 2112 and the seat back 2110 form a triangular shape.

[0120] Each of the ends of the seat backrest 2110 and the seat bottom 2112 is attached to and rotatable to the frame. For example, the seat bottom 2112 may be attached to the bottom frame 2104 at connection point 2114 and the seat backrest 2110 may be attached to the top frame 2102 at connection point 2116. Therefore, when the user pushes the bottom frame 2104 upward toward the top frame 2102, the seat bottom 2112 is also pulled upward at connection point 2114 along with the bottom frame 2104. That is, the seat bottom 2112 rotates upward about the axis on which the seat bottom 2112 and the seat backrest 2110 are attached. When the seat bottom 2112 is lifted and rotated, the seat bottom 2112 pulls the seat backrest 2110 closer to the sliding frame of the seat 2100 (given that the seat bottom 2112 and the seat backrest 2110 are connected at connection point 2118). Once the bottom frame 2104 slides to its maximum sliding distance, the seat back 2110 will be substantially parallel to the sliding frame of the seat 2100, producing... Figure 21B The folding configuration shown in the image. To achieve... Figure 21B The folding configuration shown in the image has a seat bottom 2112 with a length that is the same as the distance the seat frame can slide.

[0121] Figure 22 Description of the principles of this utility model Figure 16 The adjustable stroller assembly with seat 1600 is 2200.

[0122] Figures 23A to 23C This invention describes an adjustable stroller assembly 2300 in a folding configuration, based on the principles of this invention.

[0123] One or more illustrative embodiments of the present invention have been described above. These embodiments are merely illustrative of the scope of the present invention and are not intended to limit it in any way. Therefore, variations, modifications, and equivalents of the embodiments disclosed herein are also within the scope of the present invention.

[0124] Although the present invention has been described with reference to several embodiments, those skilled in the art will understand that the present invention is not limited to these disclosed embodiments. Rather, the present invention may be modified to incorporate any number of variations, alterations, alternatives, or equivalent arrangements not described herein but commensurate with the spirit and scope of the present invention. Furthermore, although various embodiments of the present invention have been described, it should be understood that aspects of the present invention may include only some of the described embodiments. Therefore, the present invention should not be considered limited to the foregoing description, but only to the scope of the appended claims.

[0125] Example 1 may include an adjustable stroller assembly comprising: a stroller frame including a pair of laterally opposed connection points; a plurality of wheels coupled to the stroller frame; a first seat frame adjustablely coupled to the stroller frame, the first seat frame being configured to adjust relative to the pair of laterally opposed connection points between a first position and a second position relative to the first position; and a second seat frame configured to be removably coupled to the stroller frame.

[0126] Example 2 may include Example 1, wherein the stroller frame includes a rear frame assembly coupled to the pair of laterally opposite connection points.

[0127] Example 3 may include any of Examples 1 to 2, wherein the first seat frame is slidably coupled to the rear frame assembly such that the first seat frame is configured to slide along the rear frame assembly between the first position and the second position.

[0128] Example 4 may include any of Examples 1 to 3, wherein the first seat frame includes one or more actuators configured to be actuated to allow the first seat frame to slide between the first position and the second position.

[0129] Example 5 may include any of Examples 1 to 4, wherein the rear frame assembly includes: a pair of opposing rear bars extending from the pair of laterally opposite connection points, each of the pair of opposing rear bars defining a corresponding channel, wherein the first seat frame is slidably fixed between and within the corresponding channels of the pair of opposing rear bars.

[0130] Example 6 may include any of Examples 1 to 5, wherein the stroller frame includes a front frame assembly coupled to the pair of laterally opposite connection points.

[0131] Example 7 may include any of Examples 1 to 6, wherein the front frame assembly includes a seat frame mount, and wherein the second seat frame is removably coupled to the seat frame mount.

[0132] Example 8 may include any of Examples 1 to 7, wherein the stroller frame includes an upper frame assembly coupled to the pair of laterally opposite connection points.

[0133] Example 9 may include any of Examples 1 to 8, wherein the upper frame assembly includes: a pair of opposing upper rods extending from the pair of laterally opposing connection points; and a handle coupled between the pair of opposing upper rods.

[0134] Example 10 may include any of Examples 1 to 9, wherein the plurality of wheels includes at least two rear wheels and at least two front wheels.

[0135] Example 11 may include any of Examples 1 to 10, wherein the pair of laterally opposite connection points are offset from the geometric center between the at least two rear wheels and the at least two front wheels in the direction toward the at least two rear wheels.

[0136] Example 12 may include any of Examples 1 to 11, wherein when the first seat frame is in the first position and the second seat frame is coupled to the stroller frame, the first seat frame and the second seat frame are in the same plane.

[0137] Example 13 may include any of Examples 1 to 12, wherein when the second seat frame is coupled to the stroller frame, the first seat frame and the second seat frame face each other.

[0138] Example 14 may include any of Examples 1 to 13, wherein at least one of the first seat frame or the second seat frame is configured to support a stroller seat.

[0139] Example 15 may include any of Examples 1 to 14, wherein at least one of the first seat frame or the second seat frame is configured to support a crib.

[0140] Example 16 may include any of Examples 1 to 15, wherein at least one of the first seat frame or the second seat frame is configured to support a car seat.

[0141] Example 17 may include any of Examples 1 to 16, further comprising at least one decorative material coupled to at least a portion of the adjustable stroller assembly.

[0142] Example 18 may include any of Examples 1 to 17, wherein the at least one decorative material includes at least one of lining, foam, mesh, netting, fabric, or padding.

[0143] Example 19 may include any of Examples 1 to 18, wherein the first seat frame is rotatably coupled to the pair of laterally opposite connection points such that the first seat frame is configured to rotate about the pair of laterally opposite connection points between a first position and a second position.

[0144] Example 20 may include any of Examples 1 to 19, wherein the first seat frame includes one or more actuators configured to be actuated to allow rotation of the first seat frame between the first position and the second position.

[0145] Example 21 may include an adjustable stroller assembly comprising: a stroller frame including a pair of laterally opposed connection points; a rear seat frame configured to be slidably movable along the stroller frame relative to the pair of laterally opposed connection points; and a front seat frame configured to be removably coupled to the stroller frame, wherein the stroller frame is configured to be actuated to allow the rear seat frame to be slidably movable between a first position and a second position relative to the first position.

[0146] Example 22 may include an adjustable stroller assembly comprising: a stroller frame including: a pair of laterally opposed connection points; a pair of rear support legs extending downward in a rearward direction from the pair of laterally opposed connection points; and a pair of front support legs extending downward in a forward direction from the pair of laterally opposed connection points; a rear seat frame adjustablely coupled to the pair of rear support legs, the rear seat frame being configured to adjust between a first position and a second position relative to the pair of laterally opposed connection points and a position relatively higher than the first position; and a front seat frame configured to be removably coupled to the pair of front support legs.

[0147] Example 23 may include an adjustable stroller assembly comprising: a stroller frame including: a pair of laterally opposed connection points; a pair of rear support legs extending downward in a rearward direction from the pair of laterally opposed connection points; a pair of top bars extending upward in a rearward direction from the pair of laterally opposed connection points; a pair of rear support bars extending between the pair of rear support legs and the pair of top bars; and a pair of front support legs extending downward in a forward direction from the pair of laterally opposed connection points; a rear seat frame adjustablely coupled to the pair of rear support bars, the rear seat frame configured to be adjusted relative to the pair of laterally opposed connection points between a first position and a second position relatively higher than the first position; and a front seat frame configured to be removably coupled to the pair of front support legs.

[0148] Example 24 may include a seat for a stroller assembly, comprising: a rear portion; a seat portion rotatably connected to the seat portion at a first hub and a second hub laterally opposite to the first hub; and a leg rest rotatably connected to the seat portion at a third hub and a fourth hub laterally opposite to the third hub, wherein the seat portion and the leg rest are configured to rotate toward the rear portion into a folding configuration.

[0149] Example 25 may include Example 24, wherein the first hub further includes: a first seat frame joint configured to receive the rear portion of the rear frame; and a second seat frame joint rotatably connected to the first seat frame joint and configured to receive the calf support frame of the calf support.

[0150] Example 26 may include any of Examples 24 to 25, wherein the first seat frame joint is configured to receive a gear for controlling the rotation of the rear portion about the first hub and the second hub, wherein the gear includes a pin disposed within a hole in the gear, and wherein the first seat frame joint further includes a slot configured to receive the pin, wherein the slot restricts movement of the pin and the rotation of the gear.

[0151] Example 27 may include any of Examples 24 to 26, wherein the second seat frame connector further includes a first protrusion that, when the seat is in the folded configuration, is removably inserted into the slot and pushes the pin outward from the slot.

[0152] Example 28 may include any of Examples 24 to 27, wherein the seat is configured to rotate in an unrestricted manner around the first hub and the second hub, and the pin is pushed outward from the slot.

[0153] Example 29 may include any of Examples 24 to 28, wherein the first hub further includes a gear connector operatively coupled to the gear, wherein the gear connector further includes a first ramp portion slidably engaged with a second ramp portion of the ramp element.

[0154] Example 30 may include any of Examples 24 to 29, wherein the first hub further includes a gear connector operatively coupled to the gear, wherein the gear connector further includes a first ramp portion slidably engaged with a second ramp portion of the ramp element.

[0155] Example 31 may include any of Examples 24 to 30, wherein the second seat frame joint further includes a second protrusion that engages with a protrusion on a ramp element when the seat is in a folded configuration, wherein the engagement causes the gear to be pushed outward from the first seat frame joint.

[0156] Example 32 may include any of Examples 23 to 31, further including a button operably connected to a cable contained within the frame of the seat and connected to the ramp element, wherein pressing the button causes tension in the cable that pulls the ramp element from the first position to the second position.

[0157] Example 33 may include any of Examples 24 to 32, wherein the third hub further includes the second seat frame joint, a third seat frame joint rotatably coupled to the second seat frame joint, and a gear for controlling the rotation of the leg rest.

[0158] Example 34 may include a seat for a stroller assembly, comprising: a seat back including a first end of the seat back connected to a top frame; and a seat bottom including a first end of the seat bottom connected to a second end of the seat back and a second end of the seat bottom connected to a bottom frame, wherein the bottom frame is configured to slide relative to the top frame, wherein sliding the bottom frame upward toward the top frame pulls the second end of the seat bottom upward and pulls the first end of the seat bottom and the second end of the seat back toward the top frame and the bottom frame into a folded configuration.

Claims

1. An adjustable baby carriage assembly characterized by The adjustable stroller assembly includes: a stroller frame including a pair of laterally opposing connection points; a plurality of wheels coupled to the stroller frame; a first seat frame adjustably coupled to the stroller frame, the first seat frame configured to adjust relative to the pair of laterally opposing connection points between a first position and a second position that is relatively higher than the first position; and a second seat frame configured to removably couple to the stroller frame.

2. An adjustable pram assembly according to claim 1 wherein The stroller frame includes a rear frame assembly coupled to the pair of laterally opposing connection points.

3. An adjustable pram assembly according to claim 2 wherein The first seat frame is slidably coupled to the rear frame assembly such that the first seat frame is configured to slide along the rear frame assembly between the first position and the second position.

4. An adjustable pram assembly according to claim 3 wherein The first seat frame includes one or more actuators configured to be actuated to permit the first seat frame to slide between the first position and the second position.

5. An adjustable baby carriage assembly according to claim 3, wherein The rear frame assembly includes: a pair of opposing rear bars extending from the pair of laterally opposing connection points, each rear bar of the pair of opposing rear bars defining a respective channel, wherein the first seat frame is slidably secured between and within the respective channels of the pair of opposing rear bars.

6. The adjustable stroller assembly of claim 1, wherein The stroller frame includes a front frame assembly coupled to the pair of laterally opposing connection points.

7. An adjustable pram assembly according to claim 6 wherein The front frame assembly includes a seat frame mount, and wherein the second seat frame is removably coupled to the seat frame mount.

8. The adjustable stroller assembly of claim 1, wherein The stroller frame includes an upper frame assembly coupled to the pair of laterally opposing connection points.

9. An adjustable pram assembly according to claim 8 wherein The upper frame assembly includes: a pair of opposing upper bars extending from the pair of laterally opposing connection points; and a handle coupled between the pair of opposing upper bars.

10. The adjustable stroller assembly of claim 1, wherein The plurality of wheels includes at least two rear wheels and at least two front wheels.

11. An adjustable pram assembly according to claim 10 wherein The pair of laterally opposing connection points are offset from a geometric center between the at least two rear wheels and at least two front wheels in a direction toward the at least two rear wheels.

12. The adjustable stroller assembly of claim 1, wherein, When the first seat frame is in the first position and the second seat frame is coupled to the stroller frame, the first seat frame and the second seat frame are in the same plane.

13. The adjustable stroller assembly of claim 1, wherein, When the second seat frame is coupled to the stroller frame, the first seat frame and the second seat frame face each other.

14. The adjustable stroller assembly of claim 1, wherein At least one of the first seat frame or the second seat frame is configured to support a stroller seat.

15. The adjustable stroller assembly of claim 1, wherein At least one of the first seat frame or the second seat frame is configured to support a bassinet.

16. The adjustable stroller assembly of claim 1, wherein At least one of the first seat frame or the second seat frame is configured to support a car seat.

17. The adjustable stroller assembly of claim 1, wherein The adjustable stroller assembly further includes at least one decorative material coupled to at least a portion of the adjustable stroller assembly.

18. An adjustable pram assembly according to claim 17, wherein The at least one decorative material includes at least one of an inner liner, a foam, a mesh, a net, a fabric, or a padding.

19. The adjustable stroller assembly of claim 1, wherein The first seat frame is rotatably coupled to the pair of laterally opposing connection points such that the first seat frame is configured to rotate about the pair of laterally opposing connection points between the first position and the second position.

20. An adjustable pram assembly according to claim 19, wherein The first seat frame includes one or more actuators configured to be actuated to permit rotation of the first seat frame between the first position and the second position.

21. An adjustable stroller assembly comprising The adjustable stroller assembly includes: a stroller frame including a pair of laterally opposing connection points; a rear seat frame configured to be slidably moved along the stroller frame relative to the pair of laterally opposing connection points; and a front seat frame configured to be removably coupled to the stroller frame, wherein the stroller frame is configured to be actuated to slidably move the rear seat frame between a first position and a second position that is relatively higher than the first position.

22. An adjustable stroller assembly comprising The adjustable stroller assembly includes: a stroller frame including: a pair of laterally opposing connection points; a pair of rear legs extending downward from the pair of laterally opposing connection points in a rearward direction; and a pair of front legs extending downward from the pair of laterally opposing connection points in a forward direction; a rear seat frame adjustably coupled to the pair of rear legs, the rear seat frame configured to be adjusted relative to the pair of laterally opposing connection points between a first position and a second position that is relatively higher than the first position; and a front seat frame configured to be removably coupled to the pair of front legs.

23. An adjustable stroller assembly comprising The adjustable stroller assembly includes: a stroller frame including: a pair of laterally opposing connection points; a pair of rear legs extending downward from the pair of laterally opposing connection points in a rearward direction; a pair of upper bars extending upward from the pair of laterally opposing connection points in a rearward direction; a pair of rear support bars extending between the pair of rear legs and the pair of upper bars; and a pair of front legs extending downward from the pair of laterally opposing connection points in a forward direction; a rear seat frame adjustably coupled to the pair of rear support bars, the rear seat frame configured to be adjusted relative to the pair of laterally opposing connection points between a first position and a second position that is relatively higher than the first position; and a front seat frame configured to be removably coupled to the pair of front legs.

24. A seat for a stroller assembly, characterized by The seat includes: a rear portion; a seat portion rotatably connected to the seat portion at a first hub and a second hub laterally opposite the first hub; and a calf rest rotatably connected to the seat portion at a third hub and a fourth hub laterally opposite the third hub, wherein the seat portion and calf rest are configured to rotate toward the rear portion into a folded configuration.

25. The seat of claim 24, wherein The first hub further includes a first seat frame joint configured to receive a rear frame of the rear portion and a second seat frame joint rotatably connected to the first seat frame joint and configured to receive a calf rest frame of the calf rest.

26. The seat of claim 25, wherein The first seat frame joint is configured to receive a gear to control rotation of the rear portion about the first and second hubs, wherein the gear includes a pin disposed within an aperture of the gear, wherein the first seat frame joint further includes a slot configured to receive the pin, wherein the slot restricts movement of the pin and the rotation of the gear.

27. The seat of claim 26, wherein The second seat frame joint further includes a first protrusion that removably inserts into the slot and pushes the pin outward from the slot when the seat is in the folded configuration.

28. The seat of claim 27, wherein The seat is configured to rotate about the first and second hubs in an unrestricted manner with the pin pushed outward from the slot.

29. The seat of claim 28, wherein The first hub further includes a gear connector operably coupled to the gear, wherein the gear connector further includes a first ramp portion slidably engaged with a second ramp portion of a ramp element.

30. The seat of claim 29, wherein The ramp element is further configured to slide relative to the first ramp portion of the gear connector from a first position to a second position, wherein sliding relative to the first ramp portion causes the gear connector to be pushed away from the ramp element, wherein the gear connector being pushed away from the ramp element causes the gear to be pushed outward from the first seat frame joint.

31. The seat of claim 30, wherein The second seat frame joint further includes a second protrusion that engages with a protrusion on a ramp element when the seat is in a folded configuration, wherein the engagement causes the gear to be pushed outward from the first seat frame joint.

32. The seat of claim 30, wherein The seat further includes a button operably connected to a cable included within a frame of the seat and connected to the ramp element, wherein pressing the button causes tension in the cable that pulls the ramp element from the first position to the second position.

33. The seat of claim 25, wherein The third hub further includes the second seat frame joint, a third seat frame joint rotatably coupled to the second seat frame joint, and a gear to control the rotation of the calf rest.

34. A seat for a stroller assembly, characterized by The seat includes: a seat back including a first end of the seat back connected to a top frame; and a seat bottom including a first end of the seat bottom connected to a second end of the seat back and a second end of the seat bottom connected to a bottom frame, wherein the bottom frame is configured to slide relative to the top frame, wherein sliding the bottom frame upward toward the top frame pulls the second end of the seat bottom upward and the first end of the seat bottom and the second end of the seat back toward the top and bottom frames into a folded configuration.

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