Abstract: The present invention relates to a simplified geared scooter which includes deck assembly, a handlebar, a front wheel assembly and a rear wheel assembly. One end of the handlebar penetrates through the deck assembly and is pivotably connected to one end of the coupling mechanism. The coupling mechanism includes a pivoting shaft and a drive element while a resilient member is formed at one end of the drive element. After the drive element is circled in an engaging way around a one-way drive mechanism on the rear wheel assembly, the resilient member is fixed at a proper position of the deck assembly. Accordingly, when the deck assembly is moved with to-and-fro motion, the coupling mechanism is movable therewith so that the one-way drive mechanism is driven by the coupling mechanism to bring the rear wheel assembly in motion, and the scooter is therefore moved forward.

Abstract: A height-adjustable mechanism for a running frame of a treadmill in which a motor is provided at the bottom of the running frame in order to drive a worm shaft which drives a gearbox having a polygonal output shaft protruding from two sides of the gearbox driving supporting rods with rolling wheels to perform a height-adjusting action for the running frame.

Abstract: The present invention relates to an elevating apparatus of an exercise treadmill. The elevating apparatus utilizes a servomotor to drive a transmission spindle into rotation by means of a gearbox, thereby driving a slide shaft to move to and fro between two base bars of the main frame. At least two lift shafts are pivotably connected to one end of the slide shafts while the other end thereof is pivotably connected to folding bars. Either folding bar is L-shaped and includes a first, a second and a third pivoting members. Moreover, the first pivoting member is pivotally mounted on the deck, the second pivoting member is pivotally mounted on the main frame and the third pivoting member is selectively pivotally attached to the deck by means of a latch. Accordingly, when the third pivoting member is separated from the deck, the elevating apparatus will perform an elevating action to be located at an inclined position.

Abstract: The present invention relates to an automatic restoring device of a wheel of a scooter which includes a footboard, a steering rod and an automatic restoring device. The footboard is connected with the steering rod and the automatic restoring device at a free end thereof. Moreover, one end of the steering rod is secured with the automatic restoring device. A shaft is pivotally installed in the shaft sleeve of the automatic restoring device. The shaft bushing and the resilient element tightly enclose the shaft while a firm connection with the shaft sleeve is secured. Furthermore, the automatic restoring device is brought into rotation in turning the steering rod so that the wheel is also turned to change direction. And the resilient element creates a restoring force because of being pressed so that the wheel restores itself by means of the resilient force of the resilient element of the automatic restoring device after the external force upon the steering rod is removed.

Abstract: The present invention relates to a safety strip of a protection board of a treadmill disposed between a running belt and a protection board in order to cover the clearance between them so that it can be avoided that the strange things or the hands, the feet and the hair are clamped between them to cause an accident.

Abstract: The present invention relates to a folding unit of a motorized treadmill which includes a main body, a deck, a deck transmission assembly and a folding mechanism. Mainly, an auxiliary folding assembly is pivotably connected to the slide shaft, and a movable support fixed at the rear end of the auxiliary folding assembly 50 is able to make a to-and-fro sliding movement on the main body with the slide shaft so that the movable support of the auxiliary folding assembly is permanently situated behind the center of gravity of the deck 20 when the deck folds up.

Abstract: The present invention relates to a cushioning mechanism for a skateboard disposed between a turning shaft under the main body of the skateboard and the wheel assemblies or a supporting element. The clamping cushioning mechanism includes two claw-shaped elements corresponding in form at two sides thereof respectively. The claw-shaped elements have a pivoting hole respectively at the bottom end thereof which are used for connecting with the pivoting member of each wheel assembly. The claw-shaped elements include a clamping face at the top thereof in order to create a receiving space between the clamping face and cross shafts of the respective wheel assembly for fastening a cushion pad. Consequently, when the user stands on the skateboard which is then loaded and pressed downwards, this stress will be transmitted by the transmission axle to the clamping cushioning mechanism.

Abstract: The present invention relates to a cushioning mechanism for an exercise apparatus disposed between a turning shaft under the main body of the exercise apparatus and a supporting element. The clamping cushioning mechanism includes two clamping bodies corresponding in form each of which contains a clamping element between which a receiving part is formed for fastening a cushioning soft pad. Thereafter, a rolling shaft is disposed at the relatively external side of each of the two clamping bodies so that, when a frame is loaded and pressed down, the stress will be transmitted from the turning shaft to two clamping bodies while the clamping bodies sink because pivoting holes at the relative center are loaded, however, the rolling shaft at two side thereof create an upward reactive force by means of their contact with the supporting element so that the clamping elements of the clamping bodies are enable to be clamped inwardly in order to achieve an expected cushioning effect.

Abstract: The present invention relates to a skateboard-like exerciser primarily comprising a blocking connecting rod interposed between a braking unit behind the deck and the main frame. When the blocking connecting rod is not touched first, the braking unit can't be pressed for reaching an expected braking effect. Consequently, a danger can be avoided when the braking plate is unintentionally pressed. Moreover, a resilient body is disposed at a proper position between the deck and the main frame, and the main frame contains a plurality of locking holes so that the locking position of the resilient body can be adjusted backwards or forwards. In addition to obtaining the cushioning effect, the touch sensitivity of the braking plate is synchronically adjustable.

Abstract: The present invention relates to a geared scooter comprising a deck assembly, a handlebar, a front wheel assembly and a rear wheel assembly. The front wheel assembly and the rear wheel assembly are arranged at front and rear ends of the deck assembly. The handlebar is pivotably disposed at the front end of the deck assembly and pivotably connected to one end of the coupling mechanism while the other end of the coupling mechanism is mounted on the drive mechanism of the rear wheel assembly. The drive mechanism is pivotably mounted on the rear wheel assembly in one body. In swinging the handlebar, the rear wheel assembly is driven with the drive mechanism by the coupling mechanism to create a forward power.

Abstract: A skateboard having a front supporting bar, a front wheel assembly, a main shaft, a deck, a rear wheel assembly, and a deck fastened on the main shaft, a tail of the deck being raised above and covering the top of the rear wheel assembly. The deck has a resilient section near the rear wheel assembly so that the user can exert a force with his heels to enable the tail of the deck to be sloping with the resilient section serving as pivot. Accordingly, the bottom of the tail of the deck is in contact with the surface of the rear wheels to achieve a braking effect.

Abstract: A cooling fan for an electric treadmill motor comprising an induced-draft fan of an independently running motor disposed at one side of said treadmill motor and covered with a protection hood and a support, wherein said induced-draft fan keeps at a constant air draft power no matter how fast said treadmill motor runs in order to compulsorily perform a strong cooling operation so that the air rapidly passes from a cooling air inlet at the other side of said treadmill motor through an armature inside of said treadmill motor and completely exhausted from an air outlet of said treadmill motor adjacent to said induced-draft fan in order to achieve a cooling effect and to prevent said armature of said treadmill motor from being burnt down due to being overheated.

Abstract: The present invention relates to an improved electric treadmill with a single motor for adjusting the height of a running board and for folding the treadmill in which another motor is provided at the bottom of the running support in order to transmit a worm shaft which drives a gearbox in order for a polygonal output shaft at two sides of said gearbox to rotate at the original position; thereafter, two connecting rods of pulley blocks are driven to perform a height-adjusting action of the treadmill. Moreover, the actuating rod includes a pin at a proper position, and the running support contains a hole so that a pivoting fixing is created by means of the pin and the hole. Accordingly, after the two actuating rods are driven by the motor and another parts, the running support can be lifted or lowered in order to achieve the folding effect of the treadmill.

Abstract: A top-pressing cushioning mechanism for treadmill has a strip-shaped coupled member pivoted on two sides of a frame of the treadmill, the bottom end of the coupled member is provided with a resilient cushioning element which is pressed against the face of a blocking piece of the inner side of a supporting base. Thus the shaking force on the frame can be effectively reduced by means of the resilient cushioning member and the blocking piece.

Abstract: A top-press steering device for a skateboard primarily includes a front supporting bar. A height-adjustable handle in cooperation with an adjusting knob is inserted into the top of the front supporting bar. The front supporting bar is attached to a main frame while a deck is hinged with the main frame. Thereafter, one end of the main frame is hinged with a first wheel assembly while the other end thereof is hinged a locating member. In addition, the lower end of the locating member is hinged with an axle shaft of a second wheel assembly.

Abstract: A folding front support for a skateboard, in which the front support has a longitudinal groove at two sides near the bottom end including an expansion ring at the top and middle positions. Two pivoting ears each with a throughhole are fitted on the connection part between the frame and the front support. A turning pin with an oval member is inserted into the throughholes of the pivoting ears, and a fixing effect will then be created by means of a fixing ring. A deep groove is disposed between the pivoting ears so that the front support whose outer diameter is smaller than the inner diameter of the deep groove can be plugged into the deep groove in a telescopic state for adjusting the upright height of the front support. Furthermore, the front support can be folded in direction toward the rear side of the frame.

Abstract: An anti-toppling device for treadmill's frame comprising a front supporting lever, a handgrip frame, a frame, a running belt and a rear supporting lever, characterized in that the bottom end of one side of said frame of said treadmill is fitted with a pneumatic cylinder on which cylinder on which an auxiliary supporting element and a turning spring are mounted, and that a mounting member on one side of said supporting element and a locating hole of said turning spring together with a pivoting member of an application rod of said pneumatic cylinder are pivoted on the same locating shaft of said frame so that, when said frame is raised in an upright folded state, said supporting element will be shifted upwards with the position of said locating shaft while said application rod of said pneumatic cylinder is in a synchronically protruding state until said engaging member at the bottom end of the middle section of said supporting element is supported at the side edge of a main body of said pneumatic cylinder

Abstract: A support device that helps to anchor a treadmill in horizontal and upright positions. The support mechanism has two pads and two anchors that are separately attached to the frontal horizontal tubing and along the front of the frame. When the treadmill frame is placed horizontally in an operative mode, the pads provide close contact with the ground surface so that the entire device is stable and unmoving. An auxiliary support is also incorporated in the upper front so that when the treadmill is placed vertically in a folded state, the support anchors at the front of the frame can position the treadmill in an upright position firmly to prevent incidental free-fall to ensure greater safety.