Abstract: An exercise apparatus includes a housing, a pair of pivoting foot treadles and a pair of reciprocating bellows that support the foot treadles. A sealed air system including a conduit interconnects the bellows and is operable for reciprocating transfer of air from bellow to bellow. Each of the foot treadles is pivotably movable between upper and lower positions, and has a resting position between the upper and lower positions. The resting position of the foot treadles defines a resting position of the bellows while the upper and lower positions of the foot treadles respectively define elongated and compressed positions of the bellows. In use, the elongated and compressed positions of the bellows are each no more than 5 degrees off the center resting position thereby reducing stress on the bellows.

Abstract: An exercise apparatus includes a housing, a pair of pivoting foot treadles and a pair of reciprocating bellows that support the foot treadles. A sealed air system including a conduit interconnects the bellows and is operable for reciprocating transfer of air from bellow to bellow. Each of the foot treadles is pivotably movable between upper and lower positions, and has a resting position between the upper and lower positions. The resting position of the foot treadles defines a resting position of the bellows while the upper and lower positions of the foot treadles respectively define elongated and compressed positions of the bellows. In use, the elongated and compressed positions of the bellows are each no more than 5 degrees off the center resting position thereby reducing stress on the bellows.

Abstract: A stepping exerciser includes a base having a pair of inclined pivot axles, a pair of foot pedals having one end rotatably attaching to the inclined pivot axles, to allow the foot pedals to be stepped downwardly and outwardly by a user, and a lever rotatably attached to the base and having two ends engaged beneath the foot pedals, to couple the foot pedals together, and to allow one of the foot pedals to be moved upwardly when the other foot pedal is stepped downwardly by the user. The lever includes two pads for engaging with the foot pedals. A resistive device may provide a resistive force against the foot pedals.

Abstract: A stepping exerciser includes a bracket, a rack, a pair of pedal holders rotatably mounted to an upper portion of the bracket, a pair of pedal holders rotatably mounted to an upper portion of the bracket, a pair of pedals, a beam pivoting the bracket to an upper portion of the rack, a pair of connecting levers respectively rotatably connected between the pedals and the rack, a pair of wheels and a pair of flexible pulling members. The wheels are rotatably installed on the rack. Each flexible pulling member is pivoted at one end thereof to the beam and at the other end thereof to a lower portion of the pedal holders. The flexible pulling members installed between the beam and the pedal holders enhance movement resistance to the pedals, for efficiently exercising multiple parts of a user.

Abstract: An elliptical exercise machine in which a raise angle of an elliptical path can be adjusted consists of a foot base, a pair of arms, a pair of foot pedaling members, and a raise angle member. When handle parts are held by hands, an opposite exercise can be taken by a left and right grip pole, as the arms are coupled to pedal rods, and a roller slides on a link rod. When both feet step on pedals, the pedal rods will slide on the link rods which drive a pulley to operate, by a function of the foot pedaling members, to achieve a purpose of workout. Furthermore, by using the raise angle member, the pedal rods and the link rods will have a change of raise angle, and the raise angle of the elliptical path is adjusted.

Abstract: A foldable aquatic stepper includes: a foldable frame device, and a stepping device mounted on the frame device having a pair of paddling pedals reciprocatively and alternatively stepped upon for a smooth aquatic stepping exercise.

Abstract: An exercise apparatus for exercising a user's body comprises an upper exercise assembly, a lower exercise assembly, and a pair of step assemblies. The upper exercise assembly enables exercising of the user's upper body through alternating extension and retraction of the user's arms. The upper exercise assembly comprises an upright member coupled with an overhead member having an impact member suspended therefrom. The lower exercise assembly comprises an upright member coupled with a base member. The upright member of the lower exercise assembly can be coupled with the upright member of the upper exercise assembly. The pair of step assemblies is pivotally coupled with the lower exercise assembly for exercising the user's lower body through an alternating stepping motion. The user can repeatedly strike the impact member while performing the alternating stepping motion to simultaneously exercise the user's upper and lower body.

Abstract: A floating aquatic stair stepper (1) having a frame (2) with support bars (6, 7), two extension legs (4) secured to the frame (2) and two foot placement steps (3) movably secured to each extension leg (4). The support bars (6, 7) permit a user to comfortably rest his or her hands, arms and shoulders, thereby permitting him or her to float. The foot placement steps (3) are each preferably slidably secured to extension legs (4). To use, a person raises and lowers each foot so as to simulate climbing stairs. The extension legs (4) may be fixedly secured to the frame (2) to provide for upward and downward movement only, or pivotally secured to the frame (2) to provide forward and backward movement of the legs as well. To further intensify the up and down movement of the present invention, resistance bands (5) may be used to secure the frame (2) to the foot placement steps (3).

Abstract: Disclosed is a treadmill for enabling a user to tread and twist. The treadmill includes a base, a post extended from the base, a pivotal unit including two inclined axles extended from the post, two treadles each connected to a related one of the inclined axles, two hydraulic cylinders each comprising an end connected to a related one of the treadles and another end connected to the base and a linking unit. The linking unit includes two cranks each connected to a related one of the inclined axles, a U-shaped element connected to the post, a pulley supported on the U-shaped element and a rope wound around the pulley and formed with two end each connected to a related one of the cranks.

Abstract: A twisting device for a climbing exerciser includes a rotatable member rotatably mounted on a cylindrical tube on the base and the rotatable member includes two flanges so that two connection plates connected with two pedals are respectively connected between the two flanges. The rotatable member is connected with a handlebar stem so that when the user operates the pedals alternatively, the two connection plates rotate the rotatable member reciprocally to drive the handlebar stem to twist about an axis of the handlebar stem.

Abstract: A foldable aquatic stepper includes: a foldable frame device, and a stepping device mounted on the frame device having a pair of paddling pedals reciprocatively and alternatively trodden for a smooth aquatic stepping exercise.

Abstract: Exercise apparatus has a pair of members exercising a pair of limbs of a user to alternate between and first and second opposite direction motions, such as a stepper or stair climber, and is provided with a resistance mechanism coupled to the pair of members and having first and second modes resisting motion, with the first mode resisting a first member moving in a first direction, and the second mode resisting the second member moving in the first direction.

Abstract: A stepping exerciser includes two pedals each have a tube connected to an end thereof at an angle and the two respective tubes are rotatably mounted to two inclined tubes on a front post of the exerciser. The two pedals are respectively connected to two cylinders. The two pedals are pivoted about the two inclined bars alternatively and the pedals are moved downward and outward to act as a twist action.

Abstract: A stepping exerciser includes a base having an inclined pivot axle perpendicular to an inclined plane inclined relative to the base, a pivotal supporting device attached to the inclined pivot axle of the base and movable in a plane parallel to the inclined plane, and two foot pedals pivotally attached to the pivotal supporting device and arranged to allow the foot pedals to be stepped downwardly by a user, and the foot pedals may be moved downwardly and rearwardly and upwardly and forwardly when the foot pedals are stepped by the user to simulate ladder climbing exercises. An arm is pivotally attached to the inclined pivot axle of the base for pivotally supporting the foot pedals.

Abstract: An amphibious foldable treadmill includes: a main frame having at least a wheel rotatably mounted on a base of the main frame to be rolled on a ground floor or on a pool bottom, a tread belt device pivotally secured to the main frame and unfolded from the main frame to be laid on the floor or pool bottom for treading operation, and a hand rail device pivotally secured to the main frame and pivotally connected with the tread belt device, whereby upon folding of the hand rail device and the tread belt device to the main frame, the treadmill can be folded for convenient handling, moving, launching in a pool or landing on the ground floor from the pool for successfully serving as an amphibious treadmill.

Abstract: A step exerciser has a base, a pedal element pivotally mounted on the base, and having a first female hollow shank pivotally mounted on the base, two pedals mounted on two opposed sides of and pivoted relative to the first female hollow shank, an interconnection element connected between the pedals and the first female hollow shank, and a damping element provided on the pedal element. Hence, the step exerciser can provide a user with various exercise effects.

Abstract: A rotating and swinging exerciser includes a base, a housing rotatably attached onto an axle of the base, a frame disposed on the base and having an inclined peripheral surface, and a lever pivotally secured to the housing with a pivot pin and having two foot pedals pivotally attached to two end portions. The lever is slidably engaged onto and movable along the inclined peripheral surface of the frame, and to cause the housing to rotate relative to the base. One of the foot pedals may be forced to move upwardly along the inclined peripheral surface of the frame when the other foot pedal is stepped downwardly by a user and when the lever is moved along the inclined peripheral surface of the frame.

Abstract: The exercise device of the present invention has a base having two side members and front member that extends between the side members. At least one truss member extends from the base. A rotatable shaft is positioned on the truss member and a flywheel is mounted on the shaft. A rotatable drive shaft is mounted on the truss member and a first one-way clutch and a second one-way clutch are mounted on the drive shaft. A means is provided for operatively connecting the drive shaft to the rotatable shaft whereby rotation of the drive shaft causes the rotatable shaft to rotate. A pair of arms have a first end that is pivotally mounted on the base and a second end that extends from the base. A foot pad is positioned on the second end of each of the arms. The foot pads are disposed to move in an arcuate path towards and away from the side members of the base and the movement of the foot pads is in a direction that is substantially parallel to the front member of the base.

Abstract: An exercise device. The exercise device includes a wheel type treadmill, a roller shaft, a sensor, a panel, a processing unit, and a display. The wheel type treadmill has a plurality of footplates disposed on a wheel. The roller shaft is coupled to the wheel. The sensor is disposed on the treadmill, connecting with the roller shaft. The panel is coupled to the treadmill for setting operation modes. The processing unit is disposed in the panel to receive signals from the sensor and control the operation modes. The display is coupled to the panel, receiving video information from the processing unit and displaying environmental simulation. The device provides a more varied exercise experience.

Abstract: A modified fitness equipment of three-dimensional sway structure. The basement is provided with a pedal while a crosswise movable pipe is mounted at the bottom of the pedal. And, a dragging member is installed to provide a preset resistance to pedal during treading movement. Also, one end of the movable pipe is connected to the exterior of a shaft lever at one side of a vertical pivotal pipe over the basement. Thus, a movable end with horizontal spin can take shape at the other end of the movable pipe while a vertical swinging arm shall be installed convexly at the bottom of the movable end. Besides, the bottom of the swinging arm shall be connected to the exterior of a coupled bar via a first pin joint. The movable end of the movable pipe can horizontally sway during the treading movement, thereby generating more flexible three-dimensional sway during application.

Abstract: A stepping exerciser includes a casing having one end rotatably attached to a base with a shaft, two foot pedals having front portions rotatably attached to the other end of the casing and rotatable up and down relative to the casing. A pin is engaged in the middle portion of the casing to force the casing to rotate and swing relative to the base. For example, a follower is rotatably supported on the base and the pin is extended from the follower and engaged in the middle portion of the casing to swing the casing when the follower is rotated relative to the base. The follower and the pin are adjustable relative to the casing.

Abstract: The exercise device of the present invention has a base having two side members and front member that extends between the side members. At least one truss member extends from the base. A rotatable shaft is positioned on the truss member and a flywheel is mounted on the shaft. A rotatable drive shaft is mounted on the truss member and a first one-way clutch and a second one-way clutch are mounted on the drive shaft. A means is provided for operatively connecting the drive shaft to the rotatable shaft whereby rotation of the drive shaft causes the rotatable shaft to rotate. A pair of arms have a first end that is pivotally mounted on the base and a second end that extends from the base. A foot pad is positioned on the second end of each of the arms. The foot pads are disposed to move in an arcuate path towards and away from the side members of the base and the movement of the foot pads is in a direction that is substantially parallel to the front member of the base.

Abstract: An adjusting device of stepping exercisers is movably connected to slots in a base on a frame and a flexible member is connected to the adjusting device. Two ends of the flexible member are respectively connected to two links of the two pedals. When the adjusting device is adjusted to a higher position, the two pedals are positioned at higher positions, and are positioned at lower positions when the adjusting device is lowered.

Abstract: An exercising stepper includes a support base, a pivot tube, two pedals, and two hydraulic cylinders. The support base includes a front support foot, a rear support foot, a support bar, a main bar, mounting member, a support seat, two support rods, two tubular rotation members, and two suspension members. Thus, the support base is integrally formed with the support bar, so that the force applied on the support base is distributed by the front support foot, the rear support foot and the support bar.

Abstract: A stepping exerciser includes a base having a seat, a follower rotatably attached to the base and having an axle and a shaft, two foot supports rotatably attached to the follower with the axle and rotatable up and down relative to the base, and rotatable relative to the base together with the follower. Two actuators are rotatably attached to the follower with the shaft and coupled to the foot supports, and each includes a pole for engaging with the seat of the base, to force the follower to rotate relative to the base when the actuators are caused to rotate relative to the shaft of the follower by the foot supports.

Abstract: A stepping exerciser includes a pair of foot pedals each having a bent segment disposed on one end and bent relative to the foot pedals and pivotally secured to the base with a pivot shaft, for allowing the foot pedals to be moved up and down relative to the base. The foot pedals each includes a longitudinal axis offset from the pivot shaft, or an included angle is formed between the foot pedals and the bent segments, for increasing the lateral movement of the foot pedals when the foot pedals are moved up and down relative to the base.

Abstract: An exercise stepper has a bottom rack, two treadle bars, an inclined bar, a handle, a supporting rod and two oil pressure cylinders. Wherein the front ends of the two treadle bars are pivotally connected to two end spots of the front axle shaft. The treadle bars have on the front sections thereof connecting areas for connecting the two oil pressure cylinders; the rear ends of the treadle bars are extended rearwardly to form treadle pedals. The inclined bar is pivotally connected on the bottom end thereof with the rear end of the bottom rack, the front end thereof is extended frontwardly and upwardly, the upper end has a function display meter, a connecting area for the handle is provided on the upper end of the inclined bar being slip jointed with the handle. The supporting rod is horizontally extended through a neck portion of the inclined bar.

Abstract: A ski-simulation exercising machine includes a base frame, two bent tubes each rotatably mounted on the base frame, two foot supports each mounted on a first end of a respective one of the two bent tubes, a rope reeved through a movable pulley and having two ends each secured on a second end of a respective one of the two bent tubes, and an antagonist resistance apparatus connected to the movable pulley. In such a manner, the ski-simulation exercising machine uses just one antagonist resistance apparatus to apply the antagonist resistance force so as to obtain the desired exercising effect.

Abstract: A stepping exerciser includes two foot pedals rotatably secured on a base with a shaft, two actuators pivotally coupled between the foot pedals and the base, and a device for adjusting the actuators relative to the shaft, in order to adjust the resistance of the actuators applied onto the foot pedals. The base includes a curved slot formed in a housing for slidably receiving a rod. A block is slidably received in the base and has a channel for receiving the rod. An adjusting bolt is threaded to the block for moving the block and the rod relative to the base.

Abstract: A stair climbing exerciser includes a frame with two links pivotably connected between two lugs on two rails of the frame and two cylinders are respectively connected to the two links and the frame. Each frame is connected to a pedal. An adjusting member is rotatably connected to two bolts extending from the two links so that the two links are pulled toward each other or pushed away from each other by rotating the adjusting member. By this way, the height of the two links and the pedals can be adjusted simultaneously.

Abstract: A leg exercise machine includes a base and a swivel mechanism by which two footrests are mounted on the base. The swivel mechanism has an upright post mounted on the base, a horizontal shaft fastened pivotally at one end to the upright post, a horizontal support tube rotatably fitted over the horizontal shaft and provided at one end with a connection bar, and a link rod connected at one end with the connection bar of the horizontal support tube by a first universal joint, with the other end of the link rod being connected to the base in conjunction with a second universal joint. The two footrests are supported respectively by a tilted arm on the horizontal support tube such that the two footrests are capable of vertical and horizontal motions at the same time.

Abstract: A stepping exerciser includes a post extended from a base, a pair of foot pedals pivotally secured to the post with a pivot axle and movable up and down relative to the base about the pivot axle, a shaft rotatably secured to the post and having an inner end disposed in the post and an outer end located outside the post, and a lever secured to the outer end of the shaft and having two ends disposed below and engaged with the bottom surfaces of the foot pedals. A counting device may be used for counting the rotational movement of the shaft relative to the post and the base.

Abstract: An exerciser includes two foot supports pivotally secured to a base with a pivot shaft, and movable up and down relative to the base about the pivot shaft for conducting stepping exercises. Two casings are rotatably supported on the base and coupled to the foot supports with actuators. A pole is rotatably supported on the base and has two screws, two rotary members are threaded with the screws and coupled to the casings for rotating the casings relative to the base and for moving the foot supports laterally when the rotary members are moved along the pole by the screws.

Abstract: A tiltable twisting exerciser includes a base and a cover. The base has a top surface and a bottom surface. There are several fixing recesses disposed on the top surface. A rotatable disk is pivotally disposed the bottom surface. This cover is hinged on a first hinge portion of the base. This cover has an outer surface and an inner surface. A supporting portion is hinged on a second hinge portion which is fixed on the inner surface such that it can rotate out to a desired position. So, the user can do the twisting exercise on a sloped surface. The sloped surface is adjustable. And, it can be easily switch to one of the four operation modes.

Abstract: A stepping exerciser includes a post extended from a base, a pair of foot pedals pivotally secured to the post with a pivot axle and movable up and down relative to the base about the pivot axle, a shaft rotatably secured to the post and having an inner end disposed in the post and an outer end located outside the post, and a lever secured to the outer end of the shaft and having two ends disposed below and engaged with the bottom surfaces of the foot pedals. A counting device may be used for counting the rotational movement of the shaft relative to the post and the base.

Abstract: A stepping exerciser includes a pair of foot pedals each having a bent segment disposed on one end and bent relative to the foot pedals and pivotally secured to the base with a pivot shaft, for allowing the foot pedals to be moved up and down relative to the base. The foot pedals each includes a longitudinal axis offset from the pivot shaft, or an included angle is formed between the foot pedals and the bent segments, for increasing the lateral movement of the foot pedals when the foot pedals are moved up and down relative to the base.

Abstract: An exerciser includes two foot supports pivotally secured to a base with a pivot shaft, and movable up and down relative to the base about the pivot shaft for conducting stepping exercises. Two casings are rotatably supported on the base and coupled to the foot supports with actuators. A pole is rotatably supported on the base and has two screws, two rotary members are threaded with the screws and coupled to the casings for rotating the casings relative to the base and for moving the foot supports laterally when the rotary members are moved along the pole by the screws.

Abstract: A portable in-place beveled multilevel cushioned mat that allows simulated jogging and running. This cushioned mat consists of a flat front section for the toes and front of the foot, and a beveled higher back section with a high flat top for the heel to provide foot support and anatomically corrected jogging and running motion. It is made of a closed or open cellular foam system from polymeric elastomers. The mat may be made of a foam core with polymer coated shell or molded with one or more than one type of foam system.

Abstract: A treading exerciser has a base frame, a first treadle plate, a second treadle plate, a hydraulic pressure control device, a first power control device, and a second power control device. The base frame has a front support frame, a rear support frame, and a connection panel. A first sleeve is disposed on an end of the first treadle plate. A first pivot shaft is inserted through the first sleeve. A second sleeve is disposed on an end of the second treadle plate. A second pivot shaft is inserted through the second sleeve. The hydraulic pressure control device is disposed on the connection panel. The first power control device is connected to the hydraulic pressure control device and the first treadle plate. The second power control device is connected to the hydraulic pressure control device and the second treadle plate. An adjustment shaft is inserted through the hydraulic pressure control device.

Abstract: A stepping exerciser includes two foot pedals rotatably secured on a base with a shaft, two actuators pivotally coupled between the foot pedals and the base, and a device for adjusting the actuators relative to the shaft, in order to adjust the resistance of the actuators applied onto the foot pedals. The base includes a curved slot formed in a housing for slidably receiving a rod. A block is slidably received in the base and has a channel for receiving the rod. An adjusting bolt is threaded to the block for moving the block and the rod relative to the base.

Abstract: A stepping exerciser includes a base having a transverse rod on which is mounted a U-shaped member, a pair of dampers each having an end pivotally connected with the U-shaped member, a primary rocking arm fixedly connected to an inverted U-shaped seat having a through hole in which is fitted a sleeve, the inverted U-shaped seat being pivotally connected with the U-shaped member by a bolt extending through the U-shaped member, sleeves, and the inverted U-shaped member to engage with a nut, an upper end of the primary rocking arm having a tubular portion, a secondary rocking arm having a rectangular slot close to a lower end which is connected with the inverted U-shaped seat, and a pair of pedals each having a bracket pivotally connected with a respective one of the dampers.

Abstract: A step exerciser has a base, two pedal assemblies, a segmented vertical bar, a handle and a seat. The segmented vertical bar comprises an upper bar and a middle bar and is connected to the base. The handle is adjustably attached to the upper bar. The seat is foldably attached to the upper bar. With such an exerciser, the handle and the seat can be respectively adjusted relative to the upper bar, such that the step exerciser can be adjusted for use in different positions, and a user can use the step exerciser in a standing or a sitting position. The use of the step exerciser becomes more versatile.

Abstract: A rotary step exerciser includes a base having an upright support, a rotary rack pivoted to the upright support, a driving shaft pivoted to the rotary rack, two pedals coupled to the driving shaft through one-way bearings, a rocker pivoted to the rotary rack and coupled between the pedals, and means coupled between the driving shaft and the upright shaft for enabling the rotary rack to be turned about the upright shaft when pedaling the pedals.

Abstract: A base for an exerciser has a frame and four caps. Each cap is attached to the frame and has a resilient sucker disk mounted on the bottom of the cap to provide suction with a floor. With such a base secured to the floor, the exerciser can be kept from moving or wobbling while in use.

Abstract: A stepping exerciser includes a base having a transverse rod on which is mounted a U-shaped member, a pair of dampers each having an end pivotally connected with the U-shaped member, a primary rocking arm fixedly connected to an inverted U-shaped seat having a through hole in which is fitted a sleeve, the inverted U-shaped seat being pivotally connected with the U-shaped member by a bolt extending through the U-shaped member, sleeves, and the inverted U-shaped member to engage with a nut, an upper end of the primary rocking arm having a tubular portion, a secondary rocking arm having a rectangular slot close to a lower end which is connected with the inverted U-shaped seat, and a pair of pedals each having a bracket pivotally connected with a respective one of the dampers.

Abstract: The present invention relates to a stepper with additional functions to strengthen the arms and the breast which includes a stepper and a pull rod both of which are fitted to a base. The stepper has two treads each of which has a front assembly pivotably connected to the base. The pull rod is pivotably connected to upright rods at front end of the base. Moreover, it is coupled with a movable handle at top thereof and a connecting rod at bottom thereof. The other end of the connecting rod is pivotably connected to the front assembly of the stepper. Accordingly, the pull rod, the connecting rod and the front assembly are coupled with one another. A position-limiting bar is inserted through the front end extending from the outer side of the upright rods.

Abstract: A resistance applying device for use with an exercise apparatus includes a rotatable shaft, a rotatable impeller coupled to the rotatable shaft, a sealed housing surround the rotatable impeller, the sealed housing containing a fluid that provides resistance against the rotation of the impeller, and a barrier located between the rotatable impeller and the housing, the barrier and the rotatable impeller being configured to provide for relative movement between the barrier and the rotatable impeller.

Abstract: Aerobic step apparatus comprised of stacked interfitting components simulating a unitary structure from which a plurality of different height steps can be selectively assembled. By selectively combining the different components when disassembled from their unitary structure, at least seven steps of different heights can be readily formed.

Abstract: The present invention relates to a stepper with additional functions to strengthen the arms and the breast which includes a stepper and a pull rod both of which are fitted to a base. The stepper has two treads each of which has a front assembly pivotably connected to the base. The pull rod is pivotably connected to upright rods at front end of the base. Moreover, it is coupled with a movable handle at top thereof and a connecting rod at bottom thereof. The other end of the connecting rod is pivotably connected to the front assembly of the stepper. Accordingly, the pull rod, the connecting rod and the front assembly are coupled with one another. A position-limiting bar is inserted through the front end extending from the outer side of the upright rods.

Abstract: A combination of an outer casing and a hydraulic cylinder includes a tubular and transparent tube which has two open ends and the hydraulic cylinder is received in the outer casing. A fitting and a piston rod on two ends of the hydraulic cylinder respectively extend from the two open ends of the outer casing.