A bicycle trailer pivot assembly can comprise first and second yoke arms with respective first and second end portions and a pivot coupling the first end portion of each yoke arm to a bicycle trailer frame. The first end portions the yoke arms comprise respective first and second hinge portions that interfit and that receive a hinge pin that couples the first end portions together and to the bicycle trailer frame for pivoting about an upright axis. The first and second hinge portion comprise respective stops positioned to engage one another to limit the maximum distance to which the second end portions of the first and second yoke arms can be spread apart. The first and second hinge portions can comprise respective stops that limit both the maximum and minimum spread apart positions of the second end portions of the yoke arms.

This invention is a balance bike with function of kick scooter with adjustable seat height in balance bike mode. It mainly comprises a weight holding device, a steering unit that connects to a main unit, which connects to a rear wheel unit. The steering unit mainly comprises a steering bar, a steering tube, and front wheel(s). The main unit mainly comprises a seatstay and a seat body. When the invention is viewed in balance bike mode, the weight holding device is employed to connect the seat body to the steering unit to hold the weight of users, the upper portion of the seatstay is connected to the seat body, and in the seat body there is a seat portion whose rear end is higher than its front end.

A foldable bicycle is disclosed herein which can be unlocked to fold. It comprises a main frame having a first connecting rod and a second connecting rod, a first folding joint between the first connecting rod and the second connecting rod and having a first outer shell, a second outer shell, an engaging unit, an elastic member, a press button and a cam locking member, a front wheel rack connected to a front end of the first connecting rod, a front wheel connected to the front wheel rack, and a rear wheel connected to a rear end of the second connecting rod.

The main structure of the present invention comprises: a carrying-frame set with a cargo-carrying structure, direction-guiding wheels, and a connection component comprising a sleeving-connection element and a quick-dismantling component; wherein the connection component is provided for connecting a power-providing frame set with an adjustment component comprising an assembly-connection element and a connection portion, and a steering component is set at the side of the connection component. Thereby, the user can adjust the distance between the carrying-frame and the power-providing frame to achieve the advantage of saving the accommodation space through the steering component.

A vehicle is configurable between an expanded arrangement and a folded arrangement. A front wheel is rotatably and removably mounted in a front fork at a front axle. A front wheel quick release skewer configured to couple the front wheel to and decouple the front wheel from the front fork. A main frame has a head tube configured to receive the front fork and a seat tube distal therefrom. A rear wheel assembly includes a rear wheel carrier pivotably coupled with the seat tube and selectively coupled with the seat tube by seat stays. A quick release clamp is configured to enable selective pivoting of the handlebar relative to a steering tube about a pivot axis of steering tube hinge. A rear wheel carrier mount is provided to the rear wheel carrier and is configured for removable coupling of the front axle with the front wheel removed from the front fork.

A leg actuator mechanism, a method of manufacturing the leg actuator mechanism, and a doll implementing a leg actuator mechanism is provided. The leg actuator includes an upper leg mechanism comprising a hip end and an opposing knee end. The leg actuator also includes a lower leg mechanism comprising a first end and an opposing second end, wherein the first end of the lower leg portion is operably coupled to the knee end of the upper leg portion. The leg actuator further includes a follower mechanism. The follower mechanism includes a mounting defining a follower pathway configured to receive a follower joint. The follower mechanism also includes an upper follower connector and a lower follower connector. The follower mechanism moves at least one of the upper leg mechanism or the lower leg mechanism when activated.

A bicycle includes a frame having a first segment and a second segment each elongated along a longitudinal axis. A hinge includes a first face on the first segment and a second face on the second segment. The first face and the second face are rotatable relative to each other about a rotational axis. The rotational axis extends at a non-right angle relative to the longitudinal axis.

A bicycle skewer for supporting a wheel of a bicycle between bicycle forks on opposite sides of the supported bicycle wheel comprises a skewer body having first and second end portions and a longitudinal axis about which a supported bicycle wheel pivots. In accordance with an embodiment, a first coupler is coupled to the first end portion of the skewer body and a second coupler is coupled to the second end portion of the skewer body; the bicycle wheel and forks being positioned between the first and second couplers. In addition, each of the first and second couplers comprise exterior surfaces at least a portion of which are spherical.

A folding drive mechanism of a folding scooter is provided between a front frame (110) and a rear frame (120) of the folding scooter, and the front frame (110) and the rear frame (120) are pivoted. The folding drive mechanism (130) comprises a drive rod (1) and a pull rod (2), wherein the drive rod (1) is pivoted on the rear frame (120) via a middle shaft (120a), one end of the pull rod (2) is pivoted on the front frame (110), the other end of the pull rod (2) is connected to the drive rod (1) to drive the drive rod (1), enabling the drive rod (1) to swing to drive the pull rod (2) so that the front frame (110) is driven to rotate and fold relative to the rear frame (120). The folding scooter is fast to fold, and convenient.

A leg actuator mechanism, a method of manufacturing the leg actuator mechanism, and a doll implementing a leg actuator mechanism is provided. The leg actuator includes an upper leg mechanism comprising a hip end and an opposing knee end. The leg actuator also includes a lower leg mechanism comprising a first end and an opposing second end, wherein the first end of the lower leg portion is operably coupled to the knee end of the upper leg portion. The leg actuator further includes a follower mechanism. The follower mechanism includes a mounting defining a follower pathway configured to receive a follower joint. The follower mechanism also includes an upper follower connector and a lower follower connector. The follower mechanism moves at least one of the upper leg mechanism or the lower leg mechanism when activated.