Abstract: The present invention relates to a restoring device of a frame for a skateboard comprising a height-adjustable handgrip at the top of a front supporting bar which is attached with a main frame, a locating member being pivoted with the main frame so that, when the front supporting bar is moved by the handgrip to perform a right and left turning, the main frame will create a side-sloping action in order to achieve the wheel-turning effect. The improvement is characterized in that an axle sleeve and a soft packing ring are inserted into an axial through hole at the top of the locating member in order to hinge with a pivot of the main frame so that the main frame automatically restores itself by means of the soft packing ring after the side-sloping force disappears.

Abstract: The present invention relates to a sports treadmill comprising a plurality of detectors disposed at two sides of the main body of the sports treadmill adjacent to the running belt, and the detectors have a sending terminal and a receiving terminal so that, when the positions of the front and the rear feet of the runner is detected by the detectors, the detected value is rapidly transmitted to a central processing unit of a microcomputer inside of the electronic control panel while the exact position of the runner on the running belt is analyzed by the central processing unit; thereafter, a command to accelerate or decelerate will be given by the central processing unit to the motor in order to create an immediate control effect of the rotation speed of the running belt to achieve an automatic adjusting effect of the present invention in accordance with the running speed of the runner.

Abstract: An angle-adjusting device for a treadmill having a front supporting lever, a handgrip frame, a frame and a running belt. A locating plate is disposed on a bottom of a rear portion of the frame. A polygonal ground-contacting member is pivotally attached to the locating plates. Distances between the pivot attachment and the ground-contacting sides of the ground-contacting member are different. The sloping angle of the frame is dependent on the distance between the attachment pivot and a ground-contacting side and may be varied by pivoting the ground-contacting member.

Abstract: The present invention is related to an auxiliary steering device for a skateboard comprising a front supporting bar, a front wheel assembly, a main shaft, a deck and two rear wheels, wherein the steering device is characterized by the main shaft having two extension bars at the end thereof, each the extension bars having a soft packing ring and a bearing; thereafter, a rear wheel being respectively pivoted on each the extension bars and wherein, when the user controls the direction by means of a handle of the front supporting bar and exerts pressure upon one side of the deck, the two extension bars of the main shaft will squeeze the soft packing ring to be in a side-sloping shape, and this will cause a loading difference between two rear wheels; accordingly, an auxiliary steering function is created and the radius of gyration of the skateboard can be reduced.

Abstract: A motor for electric jogging device can be outer rotor type motor without brush, outer rotor type motor with brush, inner rotor type motor without brush or inner rotor type motor with brush. A borehole receives a penetrating shaft. In making use of the penetrating shaft, the motors can be fastened on either side of the front or the rear end of the opposite inner side of two side parts of jogging device frames, and one end of each inner (outer) rotor thereof respectively extends outwards to be a roller on which the jogging belt is able to move round in coordination with the other roller. Therefore, when the motor is supplied with power and the rotor is rotated, the roller of the rotor will bring the jogging belt in motion.

Abstract: The present invention is related to a side-sloping steering device for a skateboard primarily comprising a front supporting bar and a height-adjustable handle in cooperation with an adjusting knob being inserted into the top of the front supporting bar. The front supporting bar is attached to a main frame, and the main frame and a locating member are pivoted together. Thereafter, when the front supporting bar is turned by the handle to the right and the left direction, the main frame being made in a sloping state. Then, a coupled lever of a wheel-connecting member is moved by a frame-shaped piece pivoted at bottom end of the main frame, wherein the upper end of the wheel-connecting member and the locating member are hinged together while the lower end thereof is provided with one wheel so that, when the coupled lever is turned and moved, the wheel-connecting member will also be turned so that the expected goal of turning the wheels can be reached.

Abstract: The present invention is related to a cushioning device for treadmill having a frame with a running belt, a hand support, a base and a front supporting shaft. An electric control panel is mounted at the center on the hand support while the front supporting shaft is pivoted near the front end of the base by two sloping side frames. A height adjusting mechanism is used to adjust the sloping angle of the frame, and the rear end of the frame is pivoted to pivot pieces on the base. At least one resilient elastomer for cushioning is respectively mounted between the base and the frame.

Abstract: A treading fitness trainer with a vertical rod on which a plurality of pivoted shafts are respectively disposed in order to connect the vertical rod with a handgrip connecting rod, an upper toothed disk, a lower toothed disk, a resistance device and a pedal connecting rod. The upper toothed disk and the handgrip connecting rod are connected with each other, and the upper and lower toothed disks are engaged with each other. The lower toothed disk is pivoted with a pull rod at one side which is connected to the pedal connecting rod, the other side of said lower toothed disk being connected to an operation shaft of a resistance device.

Abstract: A jogging exerciser with a self-retractable rope hitched to the runner, and a sensor to detect the location of said rope while instantly transmitting positive or negative voltage to a micro-computer central processor. The processor then gives a command of acceleration or deceleration to a motor driving a running belt to immediately control its rpm to cope with runner's exercising speed for a more life-like and human situation.

Abstract: The present invention relates to a fastener for runway board of jogging device on which a front supporting frame of a jogging device at a certain position adjacent to a pivot of a runway board is connected with a plate on which a pull button is mounted for fastening, whereby a blocking axle of the pull button protrudes toward the runway board; thereafter a fan-shaped member with two inserted holes is fixed on the corresponding side of the pivot of the runway board to the blocking axle of the pull button, so that the blocking axle of the pull button can be inserted into the corresponding inserted holes of the fan-shaped member of the runway board no matter the runway board is placed at a using or at a folded position. Accordingly, the runway board is blocked in order not to turn around on its own through unexpected external force, and the safety of the user and persons around is able to be ensured.

Abstract: A one-way travel computation detector device for an exerciser having at least three sensors provided with an operation route of any movable exerciser wherein the sensors are equally spaced from one another. The sensors send feedback signals which are different from one another to facilitate signal identification by a central processor. A permanent magnetic wave transmitter is provided on a mobile part and has a working area capable of covering the entire exercise path. One way travel of the mobile part can be accurately computed upon acquiring of a one-way signal sequence from each of the sensors. The central processor accepts only a predetermined signal sequence.

Abstract: The present invention relates to a control circuit for motor of electric jogging device in which a safety switch is disposed between an electronic loop and a power switch and which has an inserted safety plug-in pin to connect the power in an ON state. Accordingly, when the safety plug-in is removed from the fastening position, the second safety switch will be shut down in an OFF state so that the power won't enter into the electronic loop again and the motor won't be driven, and the safety of the user can be ensured.

Abstract: This invention is relating to a buffer structure to be installed in between the framework of jogging machine and the floor surface. The jogging machine is comprised of one framework, one front floor-rod, one hand holder and one rear floor-rod, etc. components. Amid the components, framework has a jogging board installed on its end surface. And one jogging track is enclosed to surface of this jogging board on its up and down end. Thus this installation can enable user to stand on jogging track and start jogging exercise. The key point here is that there is a pulling board transversely pivoted to the top end of two bent chips incorporated to rear floor-rod. And one side of the pulling board has a pivot lug to pivot an adjustment screw rod. Then let this screw rod pass through the holes drilled on the front & rear partition boards and place a buffer pad in between front and rear partition boards. Finally use one screw rod socket and one knob to bolt screw rod together.

Abstract: The invention relates to improvement for the front pulley of a treadmill, wherein a positioning plate is disposed at each of both sides of the front end of a frame of a treadmill. A hole is located at the middle of the positioning plate, and a resilient body having hollow metal ring at its inner is sideways disposed in each hole. Shafts at both sides of the front pulley in cooperation are disposed in the inner holes of the metal rings of the resilient bodies. When the rear pulley at both side of the frame is integrated, while the running belt is assembled on the front and rear pulleys and is tightened, the front pulley keeps on a parallel with the rear pulley automatically because of the tightening effect of the running bell by the action of the two resilient bodies. Thus, the running belt continuously circulates around the front and rear pulleys smoothly, and instant idling between the front pulley and the running belt do not occur and increases the operation safety.

Abstract: This invention relates to a top weighted shock absorption structure for jogging machines. The principal element of the invention is the location of a curved linked component on each side of the jogging machine frame. A flexible shock absorption unit is located at the back end of the linked component shock absorption infrastructure where the shock absorption unit is set firmly against the upper face of the block pad located inside the base structure. The function of the flexible shock absorption units and block pads effectively reduce shock to the frame during machine use.

Abstract: This invention primarily relates to an improvement of caster for treadmill runner which has the runner frame comprised of a master frame, a framework, a running board, a front transverse lever, a hand holder and a floor-type rear prop, etc.

Abstract: This invention is relating to an improvement configured to a pushing caster of jogging machine. The body of jogging machine contains one master frame, one framework, one jogging board, one front transverse-rod, one hand holder, one rear floor-rod, etc. components. The transverse rod designed for master frame's base and front transverse-rod are fitted to the base of master frame where caster assemblies are plugged and retained at their both ends respectively. Diameter of caster is slightly bigger than diameter of rods. The inner sides of caster assembly, that is, the opposite direction that caster assembly face one another as they are installed at transverse-rod of master frame's base and front transverse-rod, is erected a positioning bushing to secure itself individually. Afterward, the outer circumference of each positioning bushing is enveloped by a floor-type rubber block which is in rectangular shape. This floor-type rubber block can be revolved around positioning bushing.

Abstract: The invention relates to an improved adjustment mechanism to the anchoring angle of the rear supporting beam in a treadmill. It has two positioning plates along the two sides near the bottom of a treadmill frame. That bottom surface near the outer edge is equipped with a stop piece. The rear supporting beam is then attached via the holes on the extended parts to the positioning plates. Two connecting pieces are used to mount a coupling over a through axle, placed between two corresponding holes on the two extensions from the rear supporting beam. The two connecting pieces are connected to a threaded bar and the other end of the threaded bar is put through a punched hole on the supporting beam. A turn knob is threaded over the bar exposed outside the supporting beam to complete the assembly. By turning the turn knob on the threaded beam, it could be used to shift the rear beam's anchoring angle can be adjusted to further achieve the fine-tuning of the slanting angle of a treadmill frame.

Abstract: A caster structure for treadmill runner which has a runner frame comprised of a master frame, a framework, a running board, a front transverse lever, a hand holder and a floor-type rear prop. The caster assemblies fit in both ends of the transverse lever horizontally installed at the base of master frame and the front transverse lever with a pipe plug by press fitting. A plurality of anchoring holes are drilled in the pipe plug facing outwardly to allow insertion of the axle of the caster assembly. Thus, when the caster assembly is anchored to a lower anchoring hole, the caster contacts the floor surface and enables the treadmill runner be moved. When the caster assembly is anchored in an upper anchoring hole, the caster will not touch the floor surface enabling the treadmill to steadily remain on the floor surface enabling the treadmill to steadily remain on the floor surface without any slippery occurrence.

Abstract: An improved mechanism to the electronic control panel of treadmills includes a main electronic control board which including a framework, a main control board, and a base plate. The main control board is assembled at a receiving slot in the center of the framework, while on one side of the receiving slot, an elongated groove is furnished, which is connected and fastened to the main control board so that it joins the opposite side of the main control board to form a gliding slot for the motor speed-control button. In the mean time, one side wall beneath the main control board near the gliding slot is equipped with an adjustable resistor that controls the motor operating cycle, and the adjustable resistor is made in a paralleled condition to the sliding slot, while the lever is extended towards outside. In such configuration, it serves to engage the shaft receptacle at the motor speed control button to complete the assembly.