Abstract: An exercise device includes two cranks rotatably coupled to a rear portion of a upright support and each having a pivot rod, two handles having a middle portion pivoted to a front portion of the upright support with a spindle, two foot supports pivotally coupled to the handles and each having a middle portion pivotally coupled to the pivot rod of the cranks with a link, and two levers pivotally coupled to the pivot rod and the handle and spaced away from the spindle for forming a polygonal coupling structure and for allowing the foot supports to be moved elliptically relative to the upright support of the base. The levers may be adjustably coupled to the handles for adjusting the moving stroke of the foot supports.

Abstract: A treadmill includes a base, two axle units, two pedal units and a coordinating unit. The base includes a post formed thereon. Each of the axle units includes an axle extended downwards from the post. Each of the pedal units includes a pedal pivotally connected to the axle of a related one of the axle units. The coordinating unit is used to connect the pedals to each other so that one of the pedals is moved upwards and outwards while the other pedal is moved downwards and inwards.

Abstract: An exercise device includes two cranks rotatably coupled to a rear portion of a upright support and each having a pivot rod, two handles having a middle portion pivoted to a front portion of the upright support with a spindle, two foot supports pivotally coupled to the handles and each having a middle portion pivotally coupled to the pivot rod of the cranks with a link, the front portions of the foot supports may be controlled by the handles to allow the foot supports to be actuated as a stepping exerciser when the front portions of the foot supports are stably held in place by the handles, and to allow the foot supports to be actuated as an elliptical exerciser when the handles are swung by the user.

Abstract: An exercise machine has foot supporting linkages that link rotation of left and right cranks to movement of a person's feet through respective left and right elliptical paths of motion that include a component extending parallel to the crank axis.

Abstract: In a balance exercise machine, a swing mechanism swings a seat with composition of a swing motion in an anteroposterior direction and a swing motion in a widthwise direction. The swing motion of the seat in the anteroposterior direction is driven faster than, preferably twice as fast, as that in the widthwise direction. The origin of the swing motion of the seat in the widthwise direction is discrepant from origin of the swing motion of the seat in the anteroposterior direction within a half-cycle.

Abstract: In an elliptical step exercise apparatus a dynamic link mechanism can be used to vary the stride length of the machine. A control system can also be used to vary stride length as a function of various exercise and operating parameters such as speed and direction as well as varying stride length as a part of a preprogrammed exercise routine such as a hill or interval training program. In addition the control system can use measurements of stride length to optimize operation of the apparatus.

Abstract: Disclosed is an exercise machine, and particularly a front or rear mount elliptical or elliptical-type machine, comprising: (a) a support structure; (b) a drive component pivotally coupled to the support structure and configured to rotate about a first pivot axis; (c) a reciprocating foot support configured to travel about a closed path having a stride length upon rotation of the drive component; (d) a coupling configuration configured to support the reciprocating foot support about the drive component at a position radially offset from the first pivot axis, the coupling configuration pivotally coupled to the drive component about a second pivot axis; and (e) an adjustment mechanism configured to enable the coupling configuration to pivot about the second pivot axis between at least two adjustment positions to vary the radial offset of the reciprocating foot support with respect to the first pivot axis.

Abstract: An exercise apparatus includes a rigid connector link having a first portion rotatably connected to a crank, a second portion constrained to move in reciprocating fashion, and a third portion connected to a foot support. The resulting assembly links rotation of the crank to movement of the foot support through a generally elliptical path. The connection points may be moved relative to one another and/or a supporting frame to adjust the size, shape, and/or orientation of the path.

Abstract: Various exercise machines have foot supporting linkages that move a person's feet through respective left and right paths of motion in respective planes that are skewed relative one another.

Abstract: Gymnastic machine (1) for simulating the skating movement provided with a frame (10) carrying a load unit (20), with an exercise station (30) for performing a training exercise, and with a first functional group (31) and a second functional group: the first group (31) being mechanically connected to the load unit (20) in order to exchange mechanical energy with this latter; the first group (31) comprising at least a footrest (33) carried in a rotatable manner and in open chain by the frame (10); the second functional group (60) comprising at least a third lever (61); transmission means (70) being positioned between the first and second functional groups (31)(60) in order to connect each third lever (61) to a respective footrest (33) for performing a training exercise for training the upper limbs in combination with a simulation of the skating movement.

Abstract: An exercise apparatus has an exercise platform and an exercise device support structure. The exercise platform has a base and a lid, the platform defining an interior space accessible by moving the lid from a closed to an open position with respect to the base. The exercise device support structure is a tower having a plurality of exercise device attachment points. The platform is configured to store the tower when not in use, and support the tower in a vertical position when in use. Exercise devices, such as resistive elements, may be connected to the tower and/or the platform at various points of connection for performing a variety of exercises.

Abstract: An exercise machine has a frame and an operating linkage. The operating linkage includes any of a number of mechanisms that can adjust a foot trace generated by the linkage. In one configuration, the foot trace can be adjusted between at least a generally vertical trace and a generally horizontal trace.

Abstract: An exercise apparatus links rotation of a crank to generally elliptical motion of a foot supporting member. A foot supporting linkage is movably connected between a rocker and a crank in such a manner that the foot supporting member moves through paths of motion which are fixed, adjustable or variable.

Abstract: An exercise apparatus to simulate climbing is described that includes such features as arm handles that move in synchronism with the motion of foot pedals to provide a total body workout; side handrails; a mounting step; linear foot movement at a simulated climbing angle; a three point support structure using a vertical support column; pedal track covers; a mechanism to provide constant resistance to pedal motion; and pedal impact absorption.

Abstract: The instant invention combines an upper and lower body skier, a rowing machine, a stepping, a stair climber, cycling and an elliptical training machine into one unit allowing for its use in a multitude of modes. The machine also features a seat that adjusts both vertically and horizontally. This feature allows for the elliptical mode to be used as a standard cycle or as a recumbent cycle. The magnetic resistance of the flywheel gives the machine smooth silent operation.

Abstract: An exercise apparatus is disclosed herein, including a frame, a rotating assembly, two supporting rods, two swing arms, two links, and two pedals. The front ends of the supporting rods are connected respectively to two pivotal ends of the rotating assembly, and the rear end of each supporting rods moves back and forth along a corresponding track. The front ends of the links are connected respectively at two swing ends of the swing arms. Each pedal has a step surface and is coupled to the rear portion of the corresponding link. The distance between the bottom of a circular path of the pivotal ends and the tracks is smaller than 10 cm. The length of the supporting rod is smaller than two times diameter of the circular path. The longitudinal horizontal distance between the front edge of the closed path and the rear edge of the circular path is smaller than 20 cm. The rear ends of the supporting rods are located between the front ends and rear ends of the pedals.

Abstract: An exercise machine comprises a frame, left and right swing mechanisms, left and right driving members, left and right actuating mechanisms, and a handle assembly. The left and right swing mechanisms are pivotally connected to the frame in outward skew modes. The left and right driving levers are respectively jointed between the left and right swing mechanisms and the left and right actuating mechanisms. Furthermore, one of the actuating mechanisms is coupled to a handle assembly which is connected to the frame in an inclined mode.

Abstract: A walking/jogging exercise machine includes a machine frame supported upon a generally horizontally extending floor. A shaft is mounted for rotation on the machine frame, and a pair of cams is mounted for rotation on the shaft. A pair of movable track assemblies has rear portions with rear ends pivotally connected to the machine frame, and front portions with movable front ends. A pair of articulated cam follower assemblies extend between the machine frame and the front ends of the track assembly front portions. The cam follower assemblies include cam rollers operably engaged upon peripheries of the cams, and the cam follower assemblies move in response to rotation of the cams. A pair of foot assemblies is mounted for sliding movement on the track assemblies.

Abstract: Portable, convertible and multifunction exercise apparatus, devices, systems and methods of using that allows individuals to accomplish their fitness, health conditioning, weight loss and rehabilitation goals with a single platform having selectively length adjustable resistance bands. Rotatable spring biased wheels can lock the bands to different lengths, where the longer the length the less resistance, and the shorter the length the more the resistance. The platform can transform from a stepper into a bench to an incline seat with foldable legs. Contained within the platform storage unit are several bars handles and leg attachments. An exercise bar having a rotatable midportion can have handle grip ends removably attachable to the bands and/or the bar so that a variety of additional exercises can be performed allowing the user to exercise all muscle groups for a total body workout.

Abstract: Disclosed herein is an exercise step and an air-cushioning leg for the exercise step. The exercise step (1) includes a plate-shaped panel (10), and air-cushioning legs (30). Each of the air-cushioning legs is provided under the panel to support the panel, and absorbs a load applied to the panel by air cushioning effect. The exercise step has a high air cushioning effect, thus protecting a user's knees from injury, allowing the user to exercise in comfort and safety, and minimizing noise generated during a cushioning operation. Further, the exercise step prevents the panel from being deformed due to a load applied to the panel.

Abstract: A stationary exercise apparatus with adjustable members for varying the stride path and the exercise intensity of a user. The stationary exercise apparatus has a frame. The frame has side portions positioned at left and right sides. The rearward of the frame and the side portions define a space for a user to get on the stationary exercise apparatus via the space. The stationary exercise apparatus further comprises top members which are movably coupled to the side portions of the frame for the user to grip thereon to safely get on the stationary exercise apparatus.

Abstract: An exercise device includes a right and a left belt part arranged in connection with the right and the left pedal part. The belt parts are arranged to travel as an endless loop around sheaves. A right and a left rod part, each has a first end and a second end. The right footrest is fastened to the right belt part and the left footrest to the left belt part. The first end of the right rod part is fastened to the right belt part and the second end is pivoted to the frame structure. The first end of the left rod part is fastened to the left belt part and the second end is pivoted to the frame structure.

Abstract: An exercise apparatus includes a frame for residing on a horizontal surface, a pair of arm-supporting members for supporting the user's arms and a pair of leg-supporting members for supporting the user's legs. A linkage assembly couples the arm-supporting members and leg-supporting members to the frame and moves the arm-supporting members and leg-supporting members in closed paths relative to the frame in response to user forces applied to the arm-supporting members and leg-supporting members. The linkage assembly includes actuators for adjusting dimensions of the closed paths in response to control signal inputs. Sensors mounted on the linkage assembly generate force-indicating signals representing one or more of the user force. A user interface receives and processes the force-indicating signals and supplies the control signal inputs to the actuators, wherein a dimension of at least one of the closed paths is a function of at least one of the forces applied to the leg and arm-supporting members.

Abstract: A pedal exercise machine includes an arc trajectory with a length adjustment for adjusting the lengths of pedal trajectories and arm levers, an angle adjustment for adjusting the position of the pedal trajectory, and a displacement mechanism for adjusting the pedals' angles relative to the ground. The pedal exercise machine includes a base, a front frame and a center frame, coupled together, a pair of pedals, a pair of pedal links, and a pair of subsidiary pedal links, which are coupled to the respective pedals by shafts different from shafts which the respective pedal links are coupled to the corresponding pedals. The pedal exercise machine further includes a resistance pulley, a crank shaft, and a pair of crank link units. Each crank link unit has the angle adjustment mechanism configured to adjust the angle between the corresponding pedal link and the corresponding crank link unit.

Abstract: An exercise apparatus comprises: a frame; a crank system comprising first and second crank system coupling locations, the crank system being supported by the frame; a right foot support member; a left foot support member; a first flexible support system comprising a first flexible element, the first flexible element coupled to the right foot support member and the first crank coupling location; and a second flexible support system comprising a second flexible element, the second flexible element coupled to the left foot support member and coupled to the second crank coupling location, and an adjustment assembly, wherein the user of the exercise apparatus may undertake a stepping motion or an instantaneously variable striding motion, and wherein the structural geometry of the exercise apparatus can be changed with operation of the adjustment assembly.

Abstract: A differential motion machine for closely simulating natural human motion is provided. A user mountable carriage is designed to slide freely, in the fore and aft directions. The carriage contains a power transfer element, such as pedals, arm levers or the like, which convert the user's motions into a means for propelling the carriage relative to a dynamic element. A dynamic element generally consists of an endless belt or the like driven by a motor or by a slight incline to a base frame which engages the power transfer element. Additionally, a force element causes a force against the carriage preferable relative to the dynamic element. This force to the carriage simulates the drag and other resistances encountered in nature.

Abstract: An exercise device includes one or more foot supports movable along an arcuate path defined around a point of rotation. The arcuate path is divisible into machine defined user selectable arc segments and the movement of the foot support(s) is limited to the machine defined user selected arc segment. The exercise device can include a frame, a linkage movably engaged with the frame, a foot support movably engaged with the linkage, a crank arm movably engaged with the frame, a motor operative to move the crank arm location with respect to the frame, and a drive linkage movably engaging the linkage.

Abstract: An elliptical cross trainer having a double-recessed crank in match of a load-coupling mechanism installed at the external side of a crank support. In this way, the gap of two pedal planks arranged parallel to each other can be reduced, thereby achieving the natural opening space of both human feet. Meanwhile, a hanging support together with suspension arm is connected with two pedal planks such that the pedal planks can create an optimal exercise path corresponding to the exercise pace of both human feet.

Abstract: An exercise apparatus may include a frame. A crank system may be coupled to the frame. A brake/inertia device may be coupled to the crank system. A pivotal linkage pendulum system may be coupled to the crank system. The pivotal linkage pendulum system may include one or more link members. An upper pivot point of at least one of the link members may be coupled to the crank system. In some embodiments, the upper pivot point of the at least one of the link members may be coupled to the crank system through a movable member. The upper pivot point may move in a closed path motion. A foot member may be coupled to one or more of the link members. The foot member may include a footpad. A majority of a path of motion of the footpad may be below the closed path during use.

Abstract: In an elliptical step exercise apparatus a dynamic link mechanism can be used to vary the stride length of the machine. A control system can also be used to vary stride length as a function of various exercise and operating parameters such as speed and direction as well as varying stride length as a part of a preprogrammed exercise routine such as a hill or interval training program. In addition the control system can use measurements of stride length to optimize operation of the apparatus.

Abstract: An exercise device includes a first treadle assembly supporting a first moving surface and a second treadle assembly supporting a second moving surface. The exercise device further includes an upper body exercise assembly operably associated with the exercise device. The first treadle assembly is pivotally coupled with the frame structure, and the second treadle assembly is pivotally coupled with the frame structure. In another form, an exercise device includes a frame structure, a first treadle assembly having a first endless belt in rotatable engagement with a first roller, a second treadle assembly having a second endless belt in rotatable engagement with a second roller, and a flywheel operably coupled with the first endless belt and the second endless belt.

Abstract: An exercise machine comprises a frame, left and right swing mechanisms, left and right driving members, left and right actuating mechanisms, and a handle assembly. The left and right swing mechanisms are pivotally connected to the frame in outward skew modes. The left and right driving levers are respectively jointed between the left and right swing mechanisms and the left and right actuating mechanisms. Furthermore, one of the actuating mechanisms is coupled to a handle assembly which is connected to the frame in an inclined mode.

Abstract: An exercise apparatus comprising: a frame; a curved ramp comprised of a non-articulating, non-pivoting curved member that defines a unitary curved path of travel between a selected forward and selected rearward position; a foot support adapted to travel along the unitary curved path from the selected forward position to the selected rearward position and to travel along the same unitary curved path from the selected rearward position to the selected forward position; and a handle interconnected to the foot support and adapted to move in the same direction, forward or rearward, as the foot support via the interconnection to the foot support.

Abstract: An exercise device includes two cranks rotatably coupled to a rear portion of a upright support and each having a pivot rod, two handles having a middle portion pivoted to a front portion of the upright support with a spindle, two foot supports pivotally coupled to the handles and each having a middle portion pivotally coupled to the pivot rod of the cranks with a link, and two levers pivotally coupled to the pivot rod and the handle and spaced away from the spindle for forming a polygonal coupling structure and for allowing the foot supports to be controlled by both the cranks and the link and the handles, and for allowing the foot supports to be moved elliptically relative to the upright support of the base.

Abstract: An elliptical walking exercise machine is an apparatus comprising: a base assembly standing on a floor and having a base frame which supports a base upper pivot and a base crank pivot. An embodiment further comprises a right crank arm, a left crank arm, and a main pulley pivotally engaged to the base frame at the base crank pivot. The right crank arm and the left crank arm each having a mechanical engagement point, a roller, for respective links, a right second link and a left second links that are parts of respectively a right pedal linkage and a left pedal linkage. The roller is attached over a right crank step of the right crank arm and a left crank step of the left crank arm.

Abstract: An exercise device employing side-by-side pivotally supported moving surfaces. In one particular example, an exercise device employs a first belt deployed about a front roller and a rear roller and an adjacent second belt deployed about a front roller and a rear roller. The rear of the belts in the area of the rear rollers are pivotally secured and the front of the belts in the area of the front roller are adapted to reciprocate in an up and down motion during use. In some implementations, the moving surfaces include an interconnection structure such that a generally downward movement of one surface is coordinated with a generally upward movement of the other surface. In other implementations, the moving surfaces are operably associated with one or more resistance elements that effect the amount of force required to pivot or actuate the moving surfaces.

Abstract: An exercise apparatus may include a frame. A crank system may be coupled to the frame. A brake/inertia device may be coupled to the crank system. A pivotal linkage pendulum system may be coupled to the crank system. The pivotal linkage pendulum system may include one or more link members. An upper pivot point of at least one of the link members may be coupled to the crank system. In some embodiments, the upper pivot point of the at least one of the link members may be coupled to the crank system through a movable member. The upper pivot point may move in a back and forth path of motion or in a closed path motion. A foot member may be coupled to one or more of the link members. The foot member may include a footpad.

Abstract: A stationary exercise device with flexible support elements may include a frame with a base portion. A crank system with crank arms is coupled to and supported by the frame. Right and left pivotal linkage assemblies may each have an areuate motion member and a foot support member. The arcuate motion member may be coupled to the frame. The foot support member may be coupled to the arcuate motion member. The arcuate motion member may be oriented in a generally vertical position and the foot support member may be oriented a generally horizontal position. Flexible element coupling systems couple the right and left foot support members to the crank system.

Abstract: A manual slope-adjusting mechanism for an elliptical cross trainer having a front sleeve with side tubes at both sides of the bottom of the front end of the elliptical cross trainer. An upright tube is positioned at the center of the front sleeve. A toothed portion is formed at the top of the upright tube. Moreover, a control lever is attached to a coupling rod disposed within an upright support of the elliptical cross trainer. The other end of the coupling rod enables an up-and-down movement of a locking element such that the locking element can be engaged into or disengaged from the toothed portion of the upright tube. In this way, the supporting angle of the side tubes can be manually adjusted for adjusting the slope of the plank connecting rods.

Abstract: An exercise machine has a frame and an operating linkage. The operating linkage includes any of a number of mechanisms that can adjust a foot trace generated by the linkage. In one configuration, the foot trace can be adjusted between at least a generally vertical trace and a generally horizontal trace.

Abstract: An elliptical exercise machine allowing a user to move between a first position (standing on a stationary platform and using the machine's exercise arms), a second position (using the machine's footskates and holding a stationary handlebar), and a third position (using the machine's footskates and exercise arms), or any variation thereon. The machine may include a computer that directs the user's movements between those positions and others.

Abstract: Various exercise apparatus have respective linkage assemblies which are movably mounted on a frame and link rotation of left and right cranks to elliptical movement of left and right foot supporting members. The linkage assemblies include separate linkage arrangements for horizontal and vertical displacement of the foot supporting members, and the linkage assemblies accommodate travel of the foot supporting members to positions laterally adjacent the cranks.

Abstract: An exercise apparatus links rotation of left and right cranks to generally elliptical motion of left and right foot supporting members. Each foot supporting linkage is movably connected between a rocker and a crank in such a manner that the foot supporting member is movable through a range of motion that is not limited to the distance between the points of connection to the crank.

Abstract: An exercise apparatus is disclosed herein, including a frame, a rotating assembly, two supporting rods, two swing arms, two links, and two pedals. The front ends of the supporting rods are connected respectively to two connecting points of the rotating assembly, and the rear end of each supporting rod moves back and forth along a corresponding track. The front ends of the links are connected respectively at two swing ends of the swing arms. Each pedal is mounted at the rear end of a corresponding link and pivotally coupled to a corresponding supporting member. The distance between the bottom of a circular path of the connecting points and the tracks is smaller than 10 cm. The length of the supporting rod is smaller than two times diameter of the circular path. The longitudinal horizontal distance between the front edge of the closed path and the rear edge of the circular path is smaller than 20 cm. The rear ends of the supporting rods are located between the front ends and rear ends of the pedals.

Abstract: The invention is incorporated in an exercise device comprising a plurality of step units and at least one connector. The step units can be stacked on each other to create multi-tier step units of different heights. The connectors pin the step units to each other to create a variety of configurations for stepping. In addition, structural elements can be connected to the step units to enable a variety of non-stepping exercise like dipping, push-ups, and chin ups.

Abstract: An exerciser includes two rails pivotally attached to a base, two handles pivotally attached to the base, two foot supports having one end pivotally coupled to the handles and the other end slidably engaged with the rail, and a tilting device may tilt the rails relative to the base to different angular positions in order to adjust the moving strokes of the foot supports. A bolt may be rotatably attached to the base and threaded with a follower, and a motor coupled to the bolt for rotating the bolt relative to the base, and for adjusting the follower along the bolt, and the follower is coupled to the rails for tilt the rails relative to the base to different angular positions.

Abstract: An exercise apparatus may include a frame. A crank system may be coupled to the frame. A brake/inertia device may be coupled to the crank system. A pivotal linkage pendulum system may be coupled to the crank system. The pivotal linkage pendulum system may include one or more link members. An upper pivot point of at least one of the link members may be coupled to the crank system. In some embodiments, the upper pivot point of the at least one of the link members may be coupled to the crank system through a movable member. The upper pivot point may move in a closed path motion. A foot member may be coupled to one or more of the link members. The foot member may include a footpad. A majority of a path of motion of the footpad may be below the closed path during use.

Abstract: An exercise apparatus is disclosed herein, including a frame, a rotating assembly, two supporting rods, two swing arms, two links, and two pedals. The front ends of the supporting rods are connected respectively to two connecting points of the rotating assembly, and the rear end of each supporting rod moves back and forth along a corresponding track. The front ends of the links are connected respectively at two swing ends of the swing arms. Each pedal is mounted at the rear end of a corresponding link and pivotally coupled to a corresponding supporting member. The distance between the bottom of a circular path of the connecting points and the tracks is smaller than 10 cm. The length of the supporting rod is smaller than two times diameter of the circular path. The longitudinal horizontal distance between the front edge of the closed path and the rear edge of the circular path is smaller than 20 cm. The rear ends of the supporting rods are located between the front ends and rear ends of the pedals.

Abstract: Exercise machines are networked together to provide a user with an indication of the user's performance level compared to the performance levels of other users. Simulated characters corresponding to the users are shown on one or more displays viewable by the users. The simulated characters have a primary movement that may differ in type from the primary movement used in achieving the exercise by the corresponding user. Further, the primary movement used to achieve exercise by one user may differ from the primary movement used to achieve exercise by another user. Exertion transducers provide signals that are used in calculating parameters such as speed and acceleration. Biometric data may be measured from the users during exertion and displayed or uploaded onto the network.

Abstract: An exercise device providing a running and stepping foot action is configured to have an adjustable stride length which may be varied and reconfigured by a user while the device is in operation. The device effectively decouples the horizontal and vertical paths of travel of a user's foot. In this regard, the device includes a foot link which moves in a substantially horizontal path of travel under the control of a reciprocating link which engages a portion of the foot link. A control link engages another portion of the foot link and moves it in a substantially vertical direction under control of a crank assembly.