A push cart, including: a frame, a rear wheel assembly, a front wheel assembly, a connection rod linkage. The frame includes an upper frame and a lower frame, and the upper frame is disposed on the lower frame. The rear wheel assembly is movably disposed on the lower frame or the upper frame. The front wheel assembly is disposed on the lower frame. The frame is connected to the rear wheel assembly via the connection rod linkage. The rotation of the upper frame or the lower frame drives the connection rod linkage to flatten the rear wheel assembly with the upper frame or the lower frame, or to unfold the rear wheel assembly.

A wheel reversing mechanism, a cart frame, and an apparatus are provided. The wheel reversing mechanism includes a frame, a wheel assembly and a linkage assembly provided within the frame. The linkage assembly includes a locking mechanism and an actuator cooperated with the wheel assembly. The wheel assembly includes a wheel joint and a wheel connected to the wheel joint. The wheel joint is rotatably connected to a lower end of the frame, the actuator is connected to the wheel joint. The locking mechanism is locked to the wheel joint. The linkage assembly is acted by an external force, such that the locking mechanism is unlocked from the wheel joint, and further, the actuator controls the wheel joint to rotate relative to the frame.

A collapsible structure for interlinking front and rear wheels of a golf cart is disclosed herein. It comprises an upper frame having two shaft racks, two handles and a supporting rod; a lower frame pivotally connected to the supporting rod and having a first assembling seat pivotally connected to the two shaft racks, two sliding sleeves, each having an upper connecting rod, a rear wheel joint rod and a front wheel push rod, and a second assembling seat having an oblique guide slot and a guiding tooth row in the oblique guide slot for connection to the front wheel push rod; two rear wheel assemblies connected to the two rear wheel joint rods; and a front wheel assembly comprising a guide rod having an annular teeth for engaging with the guiding tooth row in the oblique guide slot.

A folding cart is disclosed, comprising: a frame comprising a front frame and a rear frame which are disposed face to face; a floor assembly, comprising a front frame member and a rear frame member which are hinged to each other and hinged between the front frame and the rear frame; a wheel retracting assembly comprising a rear wheel half-shaft rotary rod, a rear wheel half shaft, a rotary pulling rod, an automatic foot assembly and a rotary connecting bar; an end of the rear wheel half-shaft rotary rod is pivotally connected to the rear frame member, the rear wheel half shaft is disposed at the other end of the rear wheel half-shaft rotary rod for connecting a rear wheel; an end of the rotary pulling rod is pivotally connected to the rear frame member, and the other end is pivotally connected to the rear wheel half-shaft rotary rod to drive the rear wheel half-shaft rotary rod to retract.

A wheel reversing mechanism, a cart frame, and an apparatus are provided. The wheel reversing mechanism includes a frame, a wheel assembly and a linkage assembly provided within the frame. The linkage assembly includes a locking mechanism and an actuator cooperated with the wheel assembly. The wheel assembly includes a wheel joint and a wheel connected to the wheel joint. The wheel joint is rotatably connected to a lower end of the frame, the actuator is connected to the wheel joint. The locking mechanism is locked to the wheel joint. The linkage assembly is acted by an external force, such that the locking mechanism is unlocked from the wheel joint, and further, the actuator controls the wheel joint to rotate relative to the frame.

A utility cart system for a motor vehicle includes a support frame, a base, a folding wall assembly and a folding leg assembly. A method of transporting goods to and from a motor vehicle utilizing a utility cart system is also described.

A folding cart is disclosed, comprising: a frame comprising a front frame and a rear frame which are disposed face to face; a floor assembly, comprising a front frame member and a rear frame member which are hinged to each other and hinged between the front frame and the rear frame; a wheel retracting assembly comprising a rear wheel half-shaft rotary rod, a rear wheel half shaft, a rotary pulling rod, an automatic foot assembly and a rotary connecting bar; an end of the rear wheel half-shaft rotary rod is pivotally connected to the rear frame member, the rear wheel half shaft is disposed at the other end of the rear wheel half-shaft rotary rod for connecting a rear wheel; an end of the rotary pulling rod is pivotally connected to the rear frame member, and the other end is pivotally connected to the rear wheel half-shaft rotary rod to drive the rear wheel half-shaft rotary rod to retract.

A fold up golf pull cart having sets of small diameter wheels mounted on each end of a cross bar so as to be able to be swung up in order to make the cart more compact for easy stowage on a motorized golf cart.

A convertible car seat device is disclosed that can be transformed from a car seat to a stroller. The device comprises a seat disposed within a frame, a pair of front wheels, a pair of rear wheels, a supporting member, a pivoting handle, and a wheel supporting member disposed in a bottom of the frame. The handle, the rear wheels, and the front wheels are foldable to use the device as a conventional car seat device inside a vehicle and are extendable to use the device as a stroller. The front wheels are folded and secured along a bottom portion of the sides of the frame and the rear wheels are folded and secured along a top portion of the sides of the frame. The device saves space in the vehicle by obviating the need to travel with separate car seat and stroller.