Abstract: A stepping exercise apparatus includes a body, a crank pedal mechanism and a foot support device. The crank pedal mechanism is mounted in the body and includes a crank shaft and two pedals mounted respectively on two ends of the crank shaft. The foot support device is connected to the body to support and includes two feet, two positioning locks and two stabilizer bars. The feet are respectively and pivotally connected to body between a folded position and an unfolded position. The positioning locks are respectively mounted between the body and the feet to respectively lock the feet with the body when the feet are respectively kept in the unfolded position. The stabilizer bars are respectively and transversely connected to the feet.

Abstract: An educational electrical generation kit includes a bicycle wheel support which may accommodate the driven wheel of a bicycle, and wherein a generator engages the driven bicycle wheel to generate electricity. The kit also includes a display board with various electrical output meters and/or electrical loads for monitoring and/or dissipating the electrical output from the bicycle. The kit is designed to be readily portable and easily set up and torn down, and to allow a spectator/participant to incorporate a bicycle of virtually any size into the bicycle wheel support to interactively generate electricity for use in the display board.

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 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 apparatus permitting a user to perform a simulated bicycling exercise is provided. The design includes a frame and a first (lower front) mounting point including a multiple element distributed load arrangement and a second (upper rear) mounting point configured to maintain the frame a first lower front mounting point including a pin defining an axis substantially representing a line joining the second upper rear mounting point and the first lower front mounting point. The design includes a seat, a wheel, and pedals, and the frame is configured to pivot about the axis in response to leaning by the user. Handlebars may be provided that enable force application and enhance the leaning or pivoting in the bicycle riding simulation experience.

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: A platform of the type holding a plurality of normally-open electric switches in position for activation of a selected individual switch by application of a force in a direction normal to a surface of the switch by a portion of a human body. An exemplary platform according to the invention forms a dance platform on which a user steps to activate switches in accordance with instructions viewed on a video display device. A joining structure may by used to hold two platforms in a side-by-side competition arrangement. A security vault may be affixed to structure associated with platform to resist theft of a commercially available game controller adapted to operate the video display and to receive switch input from a platform. Certain aspects of the invention include one or more, typically inert, practice platforms structured to represent the user interface surface of an activatable platform. A method for using a system of active and inert platforms is also disclosed.

Abstract: A guard assembly for exercise bikes has a master sprocket guard and a slave sprocket guard that are separate from each other and that are positioned between a master sprocket and a slave sprocket. A flexible transmitter such as a belt or chain extends through a portion of the master sprocket guard and the slave sprocket guard but does not make more than incidental contact with the guards.

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: A system for stabilizing a leg of a user includes a rail having a first end and a second end. The rail generally defines a longitudinal axis extending between the first end and the second end. The first end is capable of being connected to an anchor point while the second end is capable of being connected to a portion of the leg located between the knee and the hip of the leg.

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 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: A motion platform system includes a support and a motion platform supported by the support and rotatable about a plurality of bearing axes The motion platform is further rotatable with respect to the support about at least one axis that is offset from the plurality of bearing axes. The motion platform may include an intermediate frame supported by the support, where the intermediate frame is rotatable about a first bearing axis with respect to the support. The motion platform may further include an inner frame supported by the intermediate frame, where the inner frame is rotatable about a second bearing axis with respect to the intermediate frame. Rotations of the inner and intermediate frames about the first and second bearing axes facilitate rotation of the inner frame with respect to the support about at least one axis offset from the bearing axes.

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: A portable personal positioner for determining the geographical position of the user without employing the Global Positioning System (GPS) comprising a signal/position display and a traveling speed/distance measuring sensor, wherein the signal/position display is equipped with microprocessor, magneto-resistive sensor and altimeter to measure traveling direction signal along X and Y axis and position signal along Z axis of the use respectively, and to transmit the measured signals to the microprocessor for recording and access, meanwhile the traveling speed/distance measuring sensor is also to measure traveling speed and distance of a user and transmit the measured signals by means of wired or wireless transmission to the microprocessor for recording and access, after data processing from the microprocessor, to obtain the data of traveling speed, traveling distance, geographical position and track of traveling of the user within a time period and display on LCD screen of the signal/position display to determin

Abstract: An exercise bike and seat combination assembly includes a frame with an upper portion and a plurality of legs attached to the upper portion. The upper portion has a front end, a back end and a central member. The central member has an elongated opening therein. A backrest is pivotally coupled to the back end. An exercise bike is positioned beneath the frame and includes a housing having a wheel rotatably attached thereto. A pedal assembly is mechanically coupled to the wheel. A post is attached to and extends upwardly from the housing and a bike seat is attached to an upper end of the post. The bike seat is positionable in a stored position beneath the upper portion or in a deployed position extending through the elongated opening. A seat panel is removably positioned on the top portion.

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: The present invention is directed to an exercise recliner and in particular a recliner chair that conceals an exercise device. An exercise recliner is provided which includes a recliner chair and an exercise device. The exercise device is mounted to a movable and extendable frame that is associated with a power mechanism, an actuating mechanism and a locking mechanism allowing the exercise device to be moved rectilinearly between an extended position and a retracted position.

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: An folding exercising machine includes an upright with a bottom frame for positioning on a floor, two handlebars pivotally coupled to the upright at two sides, two pedal frames respectively pivoted to the bottom sides of the handlebars, each pedal frame having a bottom pin, a wheel module pivoted to the bottom frame of the upright and alternatively set between an operative position and a non-operative position, a lock screw provided at the bottom frame of the upright for locking the wheel module in the operative position, two first sockets respectively provided at two pedal cranks of a wheel of the wheel module for receiving the bottom pins of the pedal frames to hold the wheel module in the operative position, two second sockets provided at a transverse bar at the rear side of the wheel module for receiving the bottom pins of the pedal frames to hold the wheel module in the non-operative position, and a retaining member provided at the upright for locking the wheel module in the non-operative position.

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 to one another.

Abstract: A novel stationary exercise bicycle and method for exercising on that bicycle is disclosed. The novel bicycle, comprising a frame having front and rear sockets, a seat mounted into the rear socket, and a handlebar mounted in the front socket, can advantageously be adjusted so that a rider can adopt different riding positions to simulate outdoor bicycle riding conditions.

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 arcuate 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: An exercise apparatus includes a frame configured to rest on a floor surface; left and right rocker links pivotally mounted on the frame; left and right reciprocating links having forward ends rotatably coupled to respective rocker links, and rearward ends constrained to move in reciprocal fashion relative to the frame; left and right cranks rotatably mounted on the frame; left and right drive links having forward ends rotatably coupled to respective cranks, and rearward ends rotatably coupled to intermediate portions of respective reciprocating members; and left and right foot links having forward ends rotatably coupled to respective rocker links, and rearward, foot supporting ends supported by respective drive links for both rotational and translational movement relative thereto. The resulting linkage assemblies constrain the foot supporting ends to move through elliptical paths, and the paths may be altered by adjusting various components of the linkage assemblies relative to one another and/or the frame.

Abstract: The present invention relates to a recumbent exercise apparatus that provides elliptical foot exercise with arm exercise. More particularly, the present invention relates to an exercise machine having separately supported pedals for the feet and arm exercise coordinated with the motion of the feet. The pedals articulate to provide lower leg exercise with the heel and toe remaining in contact with the pedal while the pedals move along an adjustable inclined elliptical pedal curve. Arm exercise is adjustable to accommodate different size operators. A separate foot contact is provided to overcome a startup toggle condition.

Abstract: A rehab cycle crank having a pedal assembly, center assembly, anchor assembly, two rods, and pneumatic cylinder; wherein the pedal assembly includes a pedal plate, pedal base, and housing; wherein the center assembly includes a primary member and a secondary member; wherein each rod includes a first end and a second end; wherein the pneumatic cylinder includes a first end and a second end; wherein the housing of the pedal assembly is connected to the first end of each rod; wherein the anchor assembly is connected to the second end of at least one of the rods and the second end of the pneumatic cylinder; wherein the rods extend slidably through the primary member of the center assembly; wherein the primary member is attached to the secondary member by a central hub; wherein the secondary member comprises a crank arm into which the crank spindle of a cycle is inserted.

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: The present invention relates to a recumbent exercise apparatus that provides elliptical foot exercise with arm exercise. More particularly, the present invention relates to an exercise machine having separately supported pedals for the feet and arm exercise coordinated with the motion of the feet. The pedals articulate to provide lower leg exercise with the heel and toe remaining in contact with the pedal while the pedals move along an inclined elliptical pedal curve. Arm exercise is adjustable to accommodate different size operators. A step through region free of linkage is provided for easy ingress and egress.

Abstract: An exercise apparatus has a linkage assembly which links rotation of an adjustable length crank to generally elliptical movement of a force receiving member. The linkage assembly includes a first link having a rearward end which is rotatably connected to the crank, and a forward end which is rotatably connected to a lower end of a suspended link. An upper portion of the suspended link is rotatably connected to the exercise apparatus frame.

Abstract: An exercise apparatus includes a frame configured to rest on a floor surface; left and right rocker links pivotally mounted on the frame; left and right reciprocating links having forward ends rotatably coupled to respective rocker links, and rearward ends constrained to move in reciprocal fashion relative to the frame; left and right cranks rotatably mounted on the frame; left and right drive links having forward ends rotatably coupled to respective cranks, and rearward ends rotatably coupled to respective left and right foot links. The foot links have forward ends rotatably coupled to respective rocker links. Intermediate portions of the reciprocating links support rearward portions of respective drive links for both rotational and translational movement relative thereto. The resulting linkage assemblies constrain rearward ends of the foot links to move through elliptical paths, and the paths may be altered by adjusting various components of the linkage assemblies relative to one another and/or the frame.

Abstract: The present invention relates to an adjustable drive mechanism that converts a force supplied from an operator or other means along an adjustable curve path into rotary motion. More particularly, the present invention relates to an adjustable drive mechanism configured for an operator driven or motor driven exercise apparatus such as a stationary bicycle, recumbent stationary bicycle, cross trainer or other devices such as a bicycle. The present invention relates to the kinematic motion control of pedals which follow more complex curves that can be changed with the adjustable drive. More particularly, an adjustable drive mechanism based upon a pair of crank linkages and belt assembly can be incorporated into several exercise apparatus to drive a load resistance.

Abstract: The present invention relates to a recumbent exercise apparatus that provides elliptical foot exercise with arm exercise. More particularly, the present invention relates to an exercise machine having separately supported pedals for the feet and arm exercise coordinated with the motion of the feet. The pedals articulate to provide lower leg exercise with the heel and toe remaining in contact with the pedal while the pedals move along an adjustable inclined elliptical pedal curve. Arm exercise is adjustable to accommodate different size operators. A separate foot contact is provided to overcome a startup toggle condition.

Abstract: Vibrational ergometer comprising a seat unit (20), a bottom bracket/crank unit (1) connected to a braking unit (4) as well as a vibrational unit, the latter consisting of a plate vibrator (2), a vibrational stand (18) and vibrational motors (3), wherein the plate vibrator (2) is connected to the bottom bracket/crank unit (1) and the bottom bracket/crank unit (1) is mechanically decoupled from the seat unit.

Abstract: An apparatus permitting a user to perform a simulated bicycling exercise is provided. The design includes a frame and a first mounting point and a second mounting point configured to maintain the frame. A seat is connected to the frame and configured to support the user. A wheel is positioned in association with said frame and pedals configured to interact with the wheel, and the frame is configured to pivot about the first mounting point and second mounting point in response to leaning by the user. Handlebars may be provided that enable further force application and enhance the leaning or pivoting in the bicycle riding simulation experience.

Abstract: To realize a light steering handle operation similar to that of a real bicycle, and to obtain an appearance similar to that of a real bicycle. A bicycle simulation system has a turnable steering handle, a left-right pair of pedals, a frame for turnably supporting the steering handle and the pedals, a monitor for displaying a scenery according to the simulated running velocity required by a first speed pickup, a controller supplying sensor signals to a main control unit which controls the monitor. The controller is provided on front forks that function as a front stand.

Abstract: An exercise bicycle including a frame having a seat and handlebars, a high-inertia flywheel having a hub at a center of rotation, the flywheel being rotatably supported on the frame at the hub, and a drive train including a drive sprocket, a crank arm attached to and extending from the drive sprocket, and a pedal attached to the crank arm, the drive train being rotatably supported by the frame. The drive train also includes a slave sprocket fixed to the flywheel at the hub, with the drive and slave sprockets connected in a direct-drive relationship, the drive train driveable in a forward and rearward directions to cause the flywheel to rotate. A clutch mechanism is positioned in engagement with the slave sprocket and the hub to create a frictional engagement between the sprocket and the hub, and to establish a break-free force threshold.

Abstract: An exercise machine suitable for exercising a person's muscles contains a frame (100Y or 100Z), a seat (102) situated over the frame, a seatback (104 or 104Y), a connection mechanism (106 or 106Y) for flexibly and adjustably connecting the seatback to the frame or/and the seat, a pedaling mechanism (112Y or 112Z) connectable to the frame and having a pair of movable foot pedals (140), and a pair of frame legs (302 or 470). The seatback is typically capable of swiveling and can be segmented to facilitate swiveling. The legs can typically be retracted for enabling the machine to be used for stationary cycling when the legs are retracted and as an elevated exercise bench when the legs extend downward. Alternatively, the legs may permanently elevate the frame, seat, and seatback above the underlying surface. With the legs extending downward and with the pedaling mechanism connected to the frame, the pedaling mechanism can typically be tilted downward to facilitate use of the machine as an exercise bench.

Abstract: An exercise device includes two cranks rotatably coupled to an upright support of a base, two handles pivotally coupled to the upright support, and two foot supports each having a front portion pivotally coupled to the pivot rod of the cranks with a link and each having a rear portion pivotally coupled to the rear portion of the base, and the lower portions of the handles are pivotally coupled to the foot supports to allow the moving stroke of the foot supports to be controlled by the handles. The handles may be pivotally coupled together with a coupling device. A foot pedal may be pivotally supported on each of the foot supports and pivotally coupled to the handles.

Abstract: A tool for fitting a bicycle to a cyclist includes first and second stirrup elements, a handle, and attachment elements attaching the first and second stirrup elements to each other and to the handle. The cyclist may be positioned with the cyclist's back against a substantially flat surface and one leg extended away from the substantially flat surface and the foot of that leg engaging the first stirrup element and with the other leg bent and the foot of that leg engaging the second stirrup element. The cyclist may grasp the handle and pull the first stirrup element towards the cyclist's head to a position in which the cyclist's lumbo/sacral spine area moves away from the substantially flat surface.

Abstract: A body-training bicycle comprises: a seat has a long central rod; a driving portion having a treading portion, a driving wheel connected to at least one treadle, a flywheel and a driving belt; the rotation of the flywheel will make the power generator generating power; an electric control portion having a control panel, a battery unit, a magnetic resisting unit, a displacement controller, and electric wires; the battery unit serving to store power from the flywheel; the magnetic coil set being installed aside a wheel periphery of the flywheel and the central shaft of the flywheel; the magnetic cell set controller serving to control the movement of the magnetic resisting unit to move closer or away from the flywheel; electric wires being installed between the power generator and the control panel and between the power generator and the battery unit.

Abstract: Static pedalling fitness apparatus (1) that, with great accuracy, simulates the real excercise of pedalling on a conventional road biclycle while standing up and swinging the bicycle sideways. For this purpose, the fitness apparatus (1) comprises a fixed part (2) which is basically unmovable with respect to the floor, a movable part (3) which is capable of swinging laterally with respect to the fixed part (2) and which includes the set of pedals (4) and the seat (5), and another tilting part that is the handlebar (6) of the apparatus (1). The handlebar (6) is capable of oscillating separately from the oscillation of the movable part (3), i.e. the handlebar (6) presents a relative swinging movement with respect to the set of pedals (4) and the seat (5).

Abstract: An exercise device including at least one positionable component configured to be positioned by a user. The exercise device includes a frame to which a collar is mounted. The positionable component includes a member that is slidably received within the collar and may be positioned by sliding the member to a selected position. A locking assembly is coupled to the collar and is operable to lock the member in a selected position within the collar, to release the member from the locked position, and when released, to allow the member to slide within the collar. The locking assembly includes a cam pivotably mounted to the collar and a cam follower assembly selectively biased by the cam against a portion of the member disposed inside the collar. The locking assembly also includes a pair of engagement members disposed inside the collar opposite the cam against which the cam biases the member.

Abstract: Exercise apparatus has a pair of handles pivotally mounted on a frame and guiding respective user arm motions along swing paths obliquely approaching the sagittal plane of the user.

Abstract: A control system and method for exercise equipment and the like provides a way to simulate a physical activity in a manner that takes into account the physics of the physical activity being simulated to provide an accurate simulation. According to one aspect of the present invention, the control system and method takes into account the physics of the corresponding physical activity to generate a virtual or predicted value of a variable such as velocity, acceleration, force, or the like. The difference between the virtual or expected physical variable and a measured variable is used as a control input to control resistance forces of the exercise equipment in a way that causes the user to experience forces that are the same or similar to the forces that would be encountered if the user were actually performing the physical activity being simulated rather than using the exercise equipment.

Abstract: A bicycle trainer is a bicycle-mounted apparatus used to produce friction to resist the turning of a wheel of a bicycle, thereby requiring the rider to exert more energy than would otherwise be necessary. The bicycle trainer is adjustable by the rider while riding, and can simulate hill or mountain climbing at any positive grade.

Abstract: The invention relates to a crossover exercise recumbent bike, comprising a pedal mechanism positioned on the bike body with a seat provided thereon. The characteristic of the invention lies in that each of two pedal cranks thereof has an axis of rotation tilted forward to form an included angle between the transversal direction; accordingly, when an exerciser steps on pedals to rotate the two cranks, the invention enables the exerciser to promote the multiple efficacy of exercise of firming up lower body (legs and butt) and strengthening upper body (flat abs) at the same time.

Abstract: A mechanism for an elliptical exerciser comprises a crank rotatably connected to a frame so as to have a free end rotatable in a circular path. A restriction member is rotatably connected to the frame. A transmission member is connected to the restriction member, and a central portion thereof is rotatably connected to the crank, whereby the central portion of the transmission member moves along said circular path while the first end of the transmission member is constrained by the restriction member to move along a reciprocating arcuate path, such that a free end of the transmission member moves along an elliptical path.

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 configured to support a person's feet. The resulting assembly links rotation of the cranks to movement of the foot supports through generally elliptical 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: The present invention provides an exercise system including an exercise device and an interactive game environment. An enclosure receives an exercise device and the exercise device receives a theme element. Sensors, transducers, and a man-machine interface are interconnected by a controller which operates sensory stimulators in response to controller instructions and user, sensor, and transducer signals. Game play is influenced by a user's exercise performance and in an embodiment a first exercise system user competes with a remote second exercise system user utilizing a wide area network that interconnects the controllers of the two exercise systems.