Abstract: A two-fold four-wheel golf bag cart folding device includes a lower cart frame having a connecting plate installed at an upper end of the lower cart frame and a lower supporting base disposed at a lower end of the lower cart frame. An upper cart frame includes a lower end coupled to the connecting plate and has an upper supporting base and a handle module at an upper end, such that the upper supporting base and the lower supporting base are fixed to the golf bag. A rear wheel stand is mounted on both sides of the connecting plate and has a rear wheel. A pull rod includes an end coupled to the handle module and the other end coupled to the rear wheel stand. A front wheel set has two front wheels installed on both sides of the lower supporting base respectively. A locking mechanism is installed between an upper end of the upper cart frame and a lower end of the handle module and has a function of fixing an angle between the upper cart frame and the handle module.

Abstract: A three-fold three-wheel golf bag cart folding device includes a main shaft, a rear wheel set, a link mechanism, a lower cart frame, a front wheel set and an upper cart frame, and the upper cart frame can be pulled and rear wheels can be driven by the link mechanism to fold or unfold, such that the golf bag cart can be folded into a flat shape by a simple and easy operation to achieve the effects of reducing the storage space and facilitating users to carry and transport the cart.

Abstract: A front wheel folding device for a three-wheel cart including a golf bag cart, a baby cart or a goods transport cart includes: a fixed base with an upper end coupled to a cart frame and having an elastic press plate and a plurality of teeth; a moving base coupled to the fixed base by a rod and having a gear disk engaged with the teeth of the fixed base for performing a reciprocal rotating movement; and a front wheel set mounted to the moving base and having a front wheel. By pressing the press plate, the moving base is released to perform a rotating movement to drive the front wheel to be disposed at a horizontal state and folded. The aligning and folding processes can be completed all at the same time to achieve a convenient and quick operation.

Abstract: A folding joint of a golf bag cart includes a main body fixed onto a cart frame and having a chamber formed inside the main body and a long slot formed on both sides of the chamber separately. A driving block is installed in the chamber of the main body. A spring installed at an upper end of the driving block, and a latch rod is disposed on both sides of the driving block separately. Two rotating members, each has an upper end coupled to the cart frame, a lower end coupled to the main body, and a slide slot with a latch slot formed on the slide slot. Thus, the folding joint can be folded or unfolded to secure the cart frame automatically, to provide a simple and convenient operation.

Abstract: A golf bag cart comprises a lower frame including a connecting plate pivotally coupled to a rear wheel stand, a slide element installed at the top of the connecting plate, and an upper carrying base and a lower carrying base for placing and fixing a golf bag; an upper frame coupled to a lower frame and pivotally coupled to the upper carrying base; two front wheel stands coupled to the lower frame and pivotally coupled to the lower carrying base; a link rod module composed of link rod modules and coupled between the upper frame, a slide element and front and rear wheel stands for driving the front and the rear wheel stands or the front and rear wheels to fold or unfold; and a lift switch installed between the upper and lower frames and latched for fixing at a position when the golf bag cart is unfolded.

Abstract: The present invention provides a baby stroller folding device comprising an upper stroller frame, having a bendable handle installed at an upper end of the upper stroller frame; a lower stroller frame, with an upper end coupled to the upper stroller frame, and having a front wheel leg of a front wheel and a bendable step pipe disposed at the bottom of the lower stroller frame; a rear wheel leg, disposed separately on both sides of the upper and lower stroller frames, and having the rear wheel installed at the bottom of the rear wheel leg, a first slide member installed at the middle of the rear wheel leg, a pull rod installed between the first slide member and the upper and lower stroller frames, and a latch rod disposed at an upper end of the rear wheel leg; a folding joint, installed separately between the upper and lower stroller frames and the rear wheel leg, for coupling and positioning the upper and lower stroller frames, and the rear wheel leg having internal and external gear discs with a notch each a

Abstract: A golf bag cart foldable device includes a bottom cart stand having a link segment. The bottom cart stand is provided with a channel, for sliding by a slider. The bottom cart stand joins a front wheel. An upper cart stand is in pinned connection with the link segment. A rear wheel frame is in pinned connection with the link segment and to a rear wheel. A linkage is connected between the slider and the upper cart stand. A strut bar is connected between the slider and the rear wheel frame. An interlocking mechanism includes a pull handle and a clamping rod having two ends lodged in the long trough. A connection member has two ends connected to the two ends of the clamping rod. A spring is joined to the clamping rod and the upper cart stand.

Abstract: A golf bag cart foldable device includes a bottom cart stand having a rear wheel frame at each side to link a rear wheel. The bottom cart stand has a bag base to link a front wheel. An upper cart stand is in pinned connection with the bottom cart stand. A linkage set, including plural linkages, forms links between the upper cart stand and the bottom cart stand and between the upper cart stand and the rear wheel frame. A folding joint enables release of the folding joint first. By the link between the linkage set and the rear wheel frame, simultaneous unfolding or folding of the upper cart stand, the bottom cart stand and the rear wheels can thus be accomplished. The folding joint is secured to have the upper cart stand and the bottom cart stand locked to each other, to achieve handiness in use.

Abstract: A scoreboard structure for golf carts includes a base disposed at the middle of a handlebar of a golf cart and having a chamber; and a scoreboard pivotally mounted onto the base and having a latch member and an elastic clamp disposed on an external side of the scoreboard. A writing board is installed on an internal side of the scoreboard. An upper end of the writing board is coupled to the scoreboard, and a lower end of the writing board has a latch member and an elastic plate. The latch member is provided for latching a magnet disposed on the internal side of the scoreboard, and the elastic plate is provided for pressing a piece of paper and writing a score on the paper.

Abstract: A golf bag cart foldable device includes a bottom cart stand having a plate joint in pinned connection with a rear wheel frame to connect to rear wheels and is connected to a bag base. The bottom of the bag base is further joined to a front wheel frame, to connect to the front wheel. An upper cart stand is pivotally connected to the plate joint. A sliding chunk set, slideable along the bottom cart stand, includes an active sliding chunk and a passive sliding chunk. A link set is connected to the upper cart stand, the bottom cart stand, the front wheel frame, the rear wheel frames and the sliding chunk set respectively. A folding joint has a buckle for release of the folding joint. Simultaneous unfolding or folding can be accomplished, followed by locking for the folding joint, to facilitate handiness in use.

Abstract: The golf bag cart includes a central base, a bottom cart stand, an upper cart stand, a wheel support, a first linkage, a second linkage, and a lock mechanism. The bottom cart stand has a top end fastened to the central base, a bottom end coupled with a front wheel, and a slider. The upper cart stand has a bottom end pivotally connected with the central base. Two wheel supports, disposed respectively and inclinedly at two sides of the central base, are joined with a steel wire to form a structure similar to a triangle. The first linkage connects the upper cart stand and the slider. The second linkage connects the slider and the wheel support. The lock mechanism mounted on the top end of the slider enables the upper cart stand and the bottom cart stand to lock with each other.

Abstract: A foldable device of golf bag cart comprises: an upper cart stand, a bottom cart stand and a linkage set. The upper cart stand, having an adapter that is provided with a slider on its top, is provided with a slider mount at each of the two distant ends above and below the slider. The bottom cart stand is in pinned connection with the adapter at its top. The linkage set, made up of a plurality of linkages, forms links between the slider and the bottom cart stand, between the adapter and the rear wheel frame and between the bottom cart stand and the front wheel frame. By means of the setup of such links, the simultaneous unfolding or folding of the upper cart stand, the bottom cart stand, the front wheel and the rear wheels can thus be accomplished, which facilitates the handiness in use.

Abstract: A baby stroller foldable joint includes a joint mechanism having a top frame joint, a bottom frame joint and a rear wheel frame joint connecting to the top frame, the bottom frame and the rear wheel frame respectively. Each frame joint is provided with a breach at its rim, and the breaches are aligned with one another. The joint mechanism has a gear set in its interior. A control mechanism has a slider flexible to move back and forth, driving a flexible block through a linkage, for the purpose of clasping or separating the breaches of the frame joints, to accomplish expansion or folding of the frame. By aforesaid combination, expansion or folding of the frame can be simultaneous and accomplished at one go, and expansion can even be locked automatically, to make the manipulation handy and swift.

Abstract: A brake apparatus for carts with three or more wheels such as golf bag carts, baby strollers and the like includes a hand brake control assembly fixed on the cart frame and having a body and a lug in pinned connection with the body. Brake activation can be done through a pull on the lug. On the other hand, brake release is achieved by pressing springy pushbuttons on both sides of the lug to escape the clipping pin from the indent. A brake pole set, fixed on a rear wheel axle tube, is capable of offering a buffer mechanism, which avoids potential destruction to the wheel. A brake wire enables easy operation and achieves an automatic lock during braking, which substantially prevents the lapse of releasing the brake by the user.

Abstract: An umbrella holder includes a hollow tube for placing an umbrella handle. A fixing mechanism assembled is on the hollow tube and has a rotary button with a threaded rod screwed with a fixing block in the tube for tightening or releasing the umbrella handle, with a stop plate positioning the threaded rod of the rotary button. A first angle-adjusting mechanism is positioned under the hollow tube and has an immovable geared disk and a movable geared disk mounted on a rotary base and has an eccentric actuating member to engage or disengage the immovable and the movable geared disks. The holder also has a second angle-adjusting mechanism assembled under the first angle-adjusting mechanism and having an immovable geared disk with a fixed shaft and a movable geared disk disposed on a base having an eccentric actuating member for engaging or disengaging the immovable and the movable geared disks of the second angle-adjusting mechanism.

Abstract: A golf bag cart front wheel foldable device includes a fixed mount, a movable mount and a front wheel frame. The fixed mount has one end connected to the bottom tube of the cart frame and the other end provided with a fitted end. The fitted end is in pinned connection with a buckle at its one side. The movable mount is capable of being seized by the buckle and is joined fixedly to the fixed mount by a hinge. The movable mount has one end provided with a fitted end which is physically in harmony with the fixed mount. The front wheel frame has a top end connected fixedly to the movable mount, while its bottom end is joined to the front wheel. Through loosening of the buckle, the movable mount is not seized, which enables the movable mount and the front wheel frame to rotate with respect to the hinge, and the front wheel is then leveled for folding purposes, to achieve great handiness in maneuvering.

Abstract: A golf cart collapsible device includes a frame folding articulation mounted between an upper frame and a lower frame for folding the upper frame, a frame collapsing articulation mounted on the lower frame for folding the lower frame, a rear wheel frame mounted between the frame folding articulation and a rear wheel, a first pull bar mounted between the frame folding articulation and the rear wheel frame for folding the rear wheel, a front wheel folding articulation mounted between the lower frame and a front wheel frame for folding a front wheel, and a second pull bar mounted between the rear wheel frame and the front wheel folding articulation. Thus, the front wheel and the at least one rear wheel are folded simultaneously by linking of the first pull bar and the second pull bar.