Abstract: An elliptical machine includes: a machine body including a first support structure, and a second support structure extending upwardly from the first support structure; left and right cranks mounted rotatably to the first support structure and rotatable about a first rotation axis; a swing unit including left and right rotary shafts mounted rotatably and respectively to opposite sides of the second support structure, and left and right handles mounted respectively to the left and right rotary shafts, the left and right rotary shafts being respectively rotatable about second and third rotation axes, each of which is inclined to a line parallel to the first rotation axis; and a pedal unit including left and right pedal rods, each of which is connected rotatably to a respective one of the left and right handles and a respective one of the left and right cranks.

Abstract: An exercise machine includes a pair of slide members having front ends connected to a crank unit for turning along with the crank unit and rear ends linearly slidable on a support. A pair of reciprocating members are mounted on the support for reciprocating forward and backward. A pair of foot support members each have a front pivotal end and a rear free end. The front pivotal end of each foot support member is connected pivotally to one of the slide members between the front and rear ends of the slide member. Each foot support member is connected to one of the reciprocating members rearwardly of the front pivotal end.

Abstract: The present invention relates to an exercise machine with adjustable pedals that includes a mechanical body and two pedal arms connected to the mechanical body, each pedal arm has one pedal frame and one pedal that is installed on top of the pedal frame. Each pedal frame is equipped with at least one guide member, and each pedal has one slide member that fits into the guide member. One actuating member is installed in-between the pedal frame and the pedal, the actuating member has two force transfer ends that are installed on the pedal frame and the pedal each, one of the force transfer ends is an adjusting threaded rod that allows no moving but turning, and the other is a threaded nut with a nut hole for the adjusting threaded rod to be fitted into. Users can adjust pedal locations according to their height and body width, and then the objectives of easy using and increasing exercise comfort would be attained.

Abstract: A manual pace-adjusting mechanism of an elliptical cross trainer having an adjusting rod pivotally attached to both sides of the bottom support frame, respectively. The top end of the adjusting rod is pivotally coupled to an L-shaped connecting rod while the other end of the L-shaped connecting rod is pivotally connected to the treadle plank. A positioning rod is interposed between the adjusting rod and the front upright posts of the elliptical cross trainer by means of a positioning element. As a result, the adjustment of the angle of the adjusting rod enables the change on the vertical position of the treadle planks so that an independent right and left adjustment of the exercise pace is achieved.

Abstract: An exercise apparatus for a user. The exercise apparatus includes a frame, a crank system coupled to the frame, a pivotal linkage pendulum system, a foot member and a foot member end of travel apparatus. The crank system includes one or more crank members. The pivotal linkage pendulum system comprises at least a first link member. The first link member is coupled to the crank system through at least a first pivot point. The first pivot point of the first link member is configured to move in a path during use. The foot member is coupled to the at least one first link member. The foot member end of travel apparatus provides a two-stage stiffness profile to the foot member indicating the end of travel to the user.

Abstract: An arm exercise apparatus simulates the arm movements of running and jogging. The arm exercise apparatus is coordinated with the foot motion of several typical elliptical cross trainers. Each handle is guided by a pair of links to move from along side the operator forward and toward the center of the operator to simulate the arm movement of running and jogging. An adjustment is provided to vary the handle movement.

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: An aerobic exerciser with elongated stride comprising a frame, a seat supported from the frame, a bell crank, a left telescoping pedal rail rotatably attached to the left side of the bell crank at one end and pivotally attached to the frame at the other end, and a right telescoping pedal rail rotatably attached to the right side of the bell crank at one end and pivotally attached to the frame at the other end. In operation, under the weight of the user, each pedal, supported by a pedal rail follows a generally elliptical path in response to rotation of the bell crank. Vertical movement of a telescoping pedal rail is accommodated by the pivot and horizontal movement of the pedal rail results in extension and retraction of the pedal rail.

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: Disclosed is a stepper, which includes a base frame, two pedal frames bilaterally pivotally supported on the base frame, a friction wheel supported on the middle of the rear side of the base frame, two links bilaterally coupled between the pedal frames and the friction wheel for enabling the friction wheel to be alternatively turned forwards and backwards when the pedal frames are alternatively moved up and down by the user, and an adjustment rod rotatably mounted in the base frame to impart a friction resistance to the friction wheel.

Abstract: A variable stride device may include right and left foot engagement members operatively coupled to right and left cam-link assemblies, respectively. The cam-link assemblies may each be operatively coupled to a rotating member, such as a crank assembly, and to right and left swing arms, respectively. The cam-link assemblies may each include a cam member and first and second links. A user may engage the foot engagement members to move the foot engagement members in a substantially constant or variable elliptical, pseudo-elliptical or other stride path. The variable stride device may further include a resistance system for resisting movement of the foot engagement members.

Abstract: A pedal adjustable system for an exerciser includes a casing composed of an end member and two side plates connected on two ends of the end member. An adjusting unit is received in the casing and has a threaded rod which can be rotated to move the adjusting unit. The tubular body has two side portions which are movably engaged with two slots in the two side plates. Two pivotal plates each have an end connected to the side portion corresponding thereto and the other end of each of the two pivotal plates is pivotably connected to a pivotable unit on which a pedal is connected. The inclination of the pedal can be adjusted by the user to rotate the threaded rod to pivot the pivotal plates together with the pedal.

Abstract: A pivotal add-on apparatus holds down the pedals of any suitable stepper-exercise-machine so that the stepper can be mounted easily. Before the user dismounts the stepper the user takes the handle of the apparatus in his hand and swings an engagement member down to hold the pedals of the stepper down near their lowest position. The pedals stay in this low position until the user mounts the stepper again. One end of the handle of the apparatus is hung on a peg, and the peg is connected to the stepper in a convenient location with a peg fastener. The other end of the handle is connected to a flexible member that is connected to the engagement member. The engagement member is connected to a post that is connected to a pivot. The pivot is connected to the stepper with a pivot attachment.

Abstract: An elliptical exercise machine and methods for using the machine where the horizontal length of the stride of the ellipse can be adjusted by the user without the user having to alter the vertical dimension of the ellipse by an equivalent amount.

Abstract: An elliptical exercise apparatus includes two cranks disposed rotatably on a frame and rotatable about a common crank axis, two rails each disposed fixedly on the frame and having a non-circular guide slot, two extension links connected respectively, radially, and slidably to the cranks and mounted with rollers disposed respectively and movably within the guide slots, two connector members disposed on the frame and reciprocatable along a longitudinal direction of the frame, and two foot links each having a first end connected pivotally to the corresponding extension link and a second end connected pivotally to the corresponding connector member. When the rollers move along the rails, the extension links are extendable and retractable relative to the cranks, respectively.

Abstract: An exercise apparatus includes a rigid connector link having a first portion rotatably connected to a respective 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: The invention is an exercise device comprising (i) a frame, (ii) first and second foot supports operably associated with the frame for traveling along a closed loop path relative to a transverse axis defined by the frame, (iii) a means effective for sensing the speed of travel of the foot supports along the closed loop path, and (iv) a means for automatically adjusting the stride length and/or stride height of the closed loop path traveled by the foot supports based upon the sensed speed of travel of the foot supports.

Abstract: An exercise bench includes a back support and first and second legs pivotally connected to respective ends of the back support. The legs are pivotal between positions extending generally perpendicular to the back support, and positions extending generally parallel to the back support. In addition to facilitating typical bench-related exercises, the bench is available for use as an aerobic step when the legs extend generally parallel to the back support, and as a high-level step when the legs extend generally perpendicular to the back support. Different latching mechanisms may be used to lock the legs in place, and/or the bench may be arranged in an inclined orientation by moving the legs to different positions. Handles and/or foot supports may be provided at one or more ends of the bench, as well.

Abstract: Various embodiments of the present invention are directed to a multiple-person elliptical trainer for improving cardiovascular fitness. In one embodiment of the present invention, the multiple-person elliptical trainer includes two training stations mounted to a support frame. Each training station includes a pair of roughly parallel tracks, each track pivotally attached to a swing arm at a front end and a crank arm at a rear end. The crank arms, in turn, are interconnected via a rotatable axle attached to the support frame. Each track further includes a foot pedal and each swing arm includes a swing-arm handle. In one embodiment of the present invention, a user can place a foot on each of the foot pedals, grasp the swing-arm handles, and rotate the crank arms by rhythmically pushing and pulling the swing-arm handles while using the foot pedals to simulate a walking or running gait.

Abstract: Various embodiments of the present invention are directed to walking simulators. In one embodiment of the present invention, the walking simulator includes a support frame, a handlebar, and a pair of swing arms. Each swing arm is pivotally-mounted to the support frame and includes a foot pedal proximal to the distal end of the swing arm. A user can place one foot on each foot pedal and grasp the handlebar. The user can alternately swing one swing arm in front of the other to simulate a walking motion through muscle contractions in the hip muscles and various other muscle groups.

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 linkage arrangements link rotation of left and right cranks to movement of left and right foot supports through generally elliptical paths. The linkage arrangements may also link rotation of the cranks to reciprocal movement of left and right handles. Also, connection points defined by the linkage arrangements may be moved relative to one another and/or a supporting frame to adjust the size, shape, and/or orientation of the elliptical paths.

Abstract: The present invention relates to an exercising device with combined stepping and twisting functions comprising a base member, a stepper mechanism mounted on the base member, a stepper assembly pivotably and rotatably secured with respect to the stepper mechanism and base member in a manner that the stepper assembly is capable of performing simultaneously or one at a time stepping and twisting functions through an engaging rotatable mechanism into which the stepper assembly is movably engaged through a linkage means, and a selecting mechanism for selectively activating or deactivating the functions being provided thereto.

Abstract: An exercise machine includes: a flywheel mounted rotatably to a support frame; a crank wheel mounted rotatably to the support frame; a transmission belt trained on the flywheel and the crank wheel; and a pressurizing wheel mechanism including a mounting seat mounted to the support frame, upper and lower pressure wheel units provided pivotally on the mounting seat, and upper and lower limiting members mounted to the mounting seat. The upper and lower pressure wheel units respectively have upper and lower pressure wheels biased to move in first and second directions so as to press and tense upper and lower segments of the transmission belt that extend between the flywheel and the crank wheel. The upper and lower limiting members limit movement of the upper and lower pressure wheel units in directions opposite to the first and second directions, respectively.

Abstract: An exercise device providing a fore and aft horizontal component of striding motion that is dynamically user-defined, while providing a vertical component of the motion that is maintained on a predetermined vertically reciprocating path in some embodiments. The exercise device guides the user's foot in a pseudo-elliptical stride path, while providing a dynamically variable stride length that allows the user to move with a natural stride length. The exercise device allows tall and short users to extend or curtail the stride length to match their natural stride lengths. The length of the reciprocating path is dynamically adjusted during the exercise operation without equipment adjustments by changes in the length of the stride input by the user at a pair of foot engagement pads disposed on laterally spaced apart foot support members.

Abstract: A miniaturized track exercising device includes a chassis on which a counterweight wheel set is provided. The counterweight wheel set is provided with a resistance adjusting unit. Two crank arms extend in opposite directions and are arranged on opposite sides of the counterweight wheel set. Each crank arm is pivotally connected to a pedal in an offset manner. The pedals are provided with a guide rail unit that is opposite to the crank arms with respect to the pedals and that provides a pivot joint and a fulcrum. Thus, when the pedals are being treaded, with the counterweight wheel set inducing a sufficient resistance that is adjusted with the resistance adjusting unit and the guide rail unit providing support against gravitational force acting on the pedals while the pedals undergo track motion, the pedals are constrained by the guide rail unit to generate an elliptical track motion.

Abstract: An exercise device can include a pair of pedal members, each of which can be rotatably connected on at least one end to a planet gear that is rotatable about a sun gear on each side of the device. The pedal members and the planet gears can be rotated to provide an elliptical exercise motion. The device can include a mechanism for simultaneously rotating each of the sun gears together to change the orientation of the elliptical exercise motion relative to a user. The orientation of an elliptical exercise motion can be changed dynamically from one orientation to another, for example, from horizontal to uphill or downhill, during a particular workout period. The exercise device can change the orientation of an elliptical exercise motion while maintaining a user's ankles at a substantially constant angle during the exercise cycle.

Abstract: An elliptical exercise apparatus includes two cranks disposed rotatably on a frame and rotatable about a common crank axis, two rails each disposed fixedly on the frame and having a non-circular guide slot, two extension links connected respectively, radially, and slidably to the cranks and mounted with rollers disposed respectively and movably within the guide slots, two connector members disposed on the frame and reciprocatable along a longitudinal direction of the frame, and two foot links each having a first end connected pivotally to the corresponding extension link and a second end connected pivotally to the corresponding connector member. When the rollers move along the rails, the extension links are extendable and retractable relative to the cranks, respectively.

Abstract: A fixed safety handle of an elliptical cross trainer includes a fixed safety handle disposed near the top of a primary upright frame of an elliptical cross trainer, extended in direction of the operator, and bent in U-shape. The fixed safety handle includes a first holding member extending downwardly from both ends of the fixed safety handle and a second holding member extending laterally from the first holding member in direction to the outside such that the second holding member is located beyond the movement path of movable handles. In this way, the safety in getting on or stepping off the elliptical cross trainer can be ensured.

Abstract: An exercise apparatus includes left and right rigid connector links having first portions rotatably connected to respective cranks, second portions constrained to move in reciprocating fashion, and third portions connected to respective foot supports. Intermediate links are also interconnected between respective cranks and respective foot supports. The resulting assembly links rotation of the cranks to movement of the foot supports through generally elliptical stepping paths. 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 paths.

Abstract: A muscle exerciser having a first pulley mounted on a motor shaft of a motor, a second pulley mounted on a pulley shaft and connected to the first pulley through a transmission belt, two transmission wheels respectively connected two ends of the pulley shaft, two transmission links connected to the wheels, and two sliding seats connected to the links. The transmission wheels are respectively connected to the transmission links oppositely such that the two sliding seats are moved close to or away from each other along sliding tracks when the wheels are rotated. Thus, the quick sliding of the sliders strengthens the muscle of the hands/feet placed on the sliding seats.

Abstract: A non-impact exercise device comprising a framework, at least one ramp assembly, a pair of foot support assemblies, a foot location control assembly, and means for adjusting the maximum stride length of the foot support assemblies. The foot support assemblies may advantageously be coupled to the foot location control assembly by a flexible cable linkage. The foot support assemblies each include a foot platform for the user to stand on. The foot support assemblies are coupled to the one or more ramp assemblies of the exercise device. The user exercises by putting force into the device through the foot platforms and/or handles. This causes the foot platforms to roll along the ramps while the user is standing upon the foot platforms. The user may readily vary the length and frequency of the reciprocating stride.

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: An elliptic motion exercise machine includes a frame, on which a reciprocating motion mechanism, a circular motion mechanism and two linking members are provided. Two parallelogram linkage mechanisms are movably mounted on the frame and connected to the linking members. Two foot panels are fixed on the parallelogram linkage mechanisms respectively. The parallelogram linkage mechanisms keep the foot panels in fixed slops in the entire motion, such that when an user stands feet on the foot panels and exerts the foot panels, toes of user's feet moves in a speed that is substantially identical to that of use's heels.

Abstract: Disclosed is a stepper, which includes a base frame, two pedal frames bilaterally pivotally supported on the base frame, a friction wheel supported on the middle of the rear side of the base frame, two links bilaterally coupled between the pedal frames and the friction wheel for enabling the friction wheel to be alternatively turned forwards and backwards when the pedal frames are alternatively moved up and down by the user, and an adjustment rod rotatably mounted in the base frame to impart a friction resistance to the friction wheel.

Abstract: An improved foot support platform for cardiovascular exercise machines provides various adjustable platform configurations. The different configurations allow the user to target specific muscle groups more easily and prevent the user's feet from falling asleep while exercising.

Abstract: An exerciser includes a rotatable disk rotatably connected on the frame of the exercisers and two first links are pivotably connected between an upright post on the frame and two second links which are pivotably connected to two third links. A sliding assembly has two guide members and each guide member has a groove, and two respective distal ends of the two third links are slidably engaged with the grooves. Two pedals are connected to the two third links and a board is connected to the two pedals by connection members 44. The user stands on the board and operates the board to overcome the resistance from the rotatable disk.

Abstract: A variable stride exercise apparatus is described. The apparatus may include a frame. A crank system may be coupled to the frame. The crank system may include crank rollers. In certain embodiments, arm links may be coupled to the frame. The apparatus may include foot members that travel in multiple paths. The foot members may be coupled to the arm links. The foot members may be coupled to the crank system through cam devices. The crank rollers may be located below the foot members such that at least a portion of a user's foot passes above the crank roller during use of the apparatus. A user of the apparatus, by varying the user's stride, may selectively vary a path of the foot members. The foot members may be cross coupled so that the left foot member moves in opposition to the right foot member.

Abstract: An exercise machine includes a pair of slide members having front ends connected to a crank unit for turning along with the crank unit and rear ends linearly slidable on a support. A pair of reciprocating members are mounted on the support for reciprocating forward and backward. A pair of foot support members each have a front pivotal end and a rear free end. The front pivotal end of each foot support member is connected pivotally to one of the slide members between the front and rear ends of the slide member. Each foot support member is connected to one of the reciprocating members rearwardly of the front pivotal end.

Abstract: An exercise machine is disclosed including a base, a pair of pedals pivotally mounted to the base via a pair of pivot arms, a rotating block rotatably coupled to the base, a pair of connectors each connected between one of the pivot arms and the rotating block, and a friction belt positioned about, and in contact with, a circumference of the rotating block. Moving one of the pedals towards the base causes the rotating block to rotate and the other pedal to move away from the base.

Abstract: A linkage structure of a treadmill, including a frame assembly and two tread board racks pivotally disposed on the frame assembly side by side. Two buffering cylinders are disposed between the tread board racks and the frame assembly. Two support arms are respectively pivotally connected with the tread board racks and slidably mounted in the frame assembly. The support arms are respectively pivotally connected with two linkages. Two ends of the two linkages distal from the support arms are respectively pivotally connected with two ends of a linking rack. The linking rack is pivotally mounted in the frame assembly. Via the support arms, the linkages and the linking rack, the side by side arranged tread board racks are drivingly connected with each other to move in reverse directions.

Abstract: An exercising device includes a base frame, two crank shafts rotatably mounted on the base frame and each having two opposite bent end portions, and two pedals each mounted between the two crank shafts and each having two opposite end portions each pivotally mounted on and movable with the respective bent end portion of the respective crank shaft respectively. Thus, the user can step the two pedals to rotate the two crank shafts simultaneously so as to obtain an exercising effect.

Abstract: A exercising vehicle includes a base frame, two crank shafts rotatably mounted on the base frame and each having two bent end portions and two straight distal ends each connected to the respective bent end portion, two pedals each mounted between the two crank shafts and each having two end portions each pivotally mounted on the respective bent end portion of the respective crank shaft, and a plurality of wheels each secured on the respective straight distal end of the respective crank shaft. Thus, the user can step the two pedals to rotate the two crank shafts simultaneously to rotate the wheels so as to move the exercising vehicle, thereby obtaining an exercising effect.

Abstract: An elliptical exercise machine, including a gearbox, a generally flat contact surface, a first elongated footrest support member mechanically coupled to the gearbox and extending to the flat contact surface, a second elongated footrest support member mechanically coupled to the gearbox and extending to the flat contact surface, and an elastic coupler removably connected between the first and second elongated footrest support member. The contact surface is generally flat and described by a first axis and a second orthogonally oriented axis. The gearbox independently governs the motive resistance and travel path of each footrest support members. The each footrest support member rollingly cooperates with the contact surface, and each first and second elongated footrest support member may cooperate with the support surface independently of the other respective footrest support member. Each footrest support member is free to move in the plane of the flat contact surface, i.e.

Abstract: An exercise device includes two foot carriage assemblies. The foot carriage assemblies are operable to support a user's feet on a frame and to travel along a generally lateral path of motion. The foot carriages are operable to engage first and second torque tubes, which in turn participate in resisting the lateral movement of the foot carriages. A lateral striding motion on the exercise device may include a simulation of a motion associated with skating and/or skiing.

Abstract: A treadle assembly of an exercise equipment including a mounting seat, a treadle, a bearing bracket. The mounting seat includes a supporting groove in the middle thereof and two indentations in the middle of both sides thereof. The treadle includes a rigid cylinder at the bottom thereof. The inside of the rigid cylinder is filled with soft filling material. A screw bolt is fitted in the middle of the soft filling material for securing the mounting seat to the treadle by fixing the screw bolt in the indentations of the mounting seat in collaboration with screwing elements. The bearing bracket is attached to a bottom side of the supporting groove of the mounting seat. Meanwhile, a bearing is disposed at each of four corners for a full contact with the periphery of the rigid cylinder. Thus, a plurality of connecting holes is formed at both sides of the mounting seat for securing the mounting seat to a treadle plank of an exercise equipment.

Abstract: A moving length adjustment device of a treading trainer comprises a treading trainer having two treadles; each treadle indirectly connected to a rotary shaft; the rotary shaft connected to a linkage plate; each linkage plate being formed with a via hole; each linkage plate being indirectly connected to a stand rod; the stand rod being formed with a transversal screw hole; and a T shape linkage having a pin shaft at a front end thereof; each of two lateral sides of the T shape linkage having a respective universal adaptor. Further, the T shape linkage can be replaced by a retaining frame, a guide wheel and a steel rope winding around the guide wheel; and a front end of the steel rope having a pin shaft.

Abstract: A multi-user exercise structure includes multiple exercise equipments that are attached to a central support frame. The multiple exercise equipments may be scaled to accommodate different sized users.

Abstract: An exercise apparatus links rotation of left and right crank members to elliptical movement of left and right foot supporting members. Rollers on the cranks allow the foot supporting members to translate relative to the cranks, and crank driven linkage arrangements determine the extent of the translation.

Abstract: A combined cycling and stepping exerciser includes a base frame with an upright post, a drive wheel mounted on the base frame, a pair of elongated lever arms with front end portions pivoted to the upright post, a pair of slide seats, and pair of pedal arms disposed on the lever arms. Each of the lever arms has a longitudinal slide groove. Each of the slide seats is coupled to a respective crank arm of the drive wheel, and engages slidably the slide groove in a respective lever arm so as to be slidable along the slide groove. Each of the pedal members has a front end engaging slidably the slide groove in a respective lever arm. A pair of fasteners are operable for fastening rear ends of the pedal members selectively and respectively to the slide seats and to rear end portions of the lever arms.