Abstract: A load applying device includes a rotary member rotatably supported on a base with a spindle, and a magnetic device adjustable concentrically relative to the rotary member, to adjust and to apply a retarding force against the rotary member. A lever may support the magnetic device, and has a curvature corresponding to that of the rotary member. The base includes a casing having two grooves for slidably receiving fasteners which may be threaded to the lever, for guiding the lever to move relative to the casing and the rotary member. Two blocks are engaged with the lever, and a moving device may move the blocks toward and away from each other, to adjust the lever relative to the rotary member.

Abstract: An electric drive system (1) operated by muscle power for a vehicle (2) includes a foot pedal (5) and a mechanical generator (6) mechanically connected to the foot pedal. The drive system also includes an electric transmission (4) and an electric control system (20) with a control program (21) of the generator, which is able to generate a counter or load moment (GM). The drive system also includes a starting control system (22) for the generator, by means of which a standstill pedal resistance (TW) and a high starting moment (MA) is produced at the foot pedal. When used in a stationary training apparatus (3), the drive system includes a motor operation control system (23) with a bi-directional converter (31), by means of which the generator is also able to be operated as a motor.

Abstract: One embodiment of the apparatus for resisting motion comprises: a framework having spaced apart, first and second sides; a sun pulley fixedly mounted to the first side; a rotatably adjustable pulley mounted on the second side opposite the sun pulley; a load torque shaft fixed to the adjustable pulley; an input torque shaft positioned coaxial with the fixed sun pulley and with the load torque shaft and being rotatable relative to the fixed sun pulley; an arm having a first end fixed to the input torque shaft and a second end mounting a planetary shaft which extends transversely of the arm and parallel to an axis of the input torque shaft; a first planetary pulley fixedly mounted on the planetary shaft in alignment with the fixed sun pulley; a second planetary pulley fixedly mounted on the planetary shaft in alignment with the adjustable pulley; a first belt or chain trained over the sun pulley and the first planetary pulley; and a second belt or chain trained over the adjustable pulley and the second planetary

Abstract: A damping device includes a support base, a housing, a pivot shaft, a resistance wheel, a magnetic disk, a fixing disk, an action block, two urging balls, and a motor. Thus, the fixing disk is pushed to move relative to the magnetic disk by rotation of the action block to change the distance between the magnetic members of the fixing disk and the magnetic disk, so as to adjust the damping force applied by the resistance wheel on the rear wheel of the exercising cycle, so that the resistance values of the damping device can be adjusted arbitrarily so as to fit the requirements of different users.

Abstract: A battery charging assembly includes a stationary bike apparatus that includes a frame, a seat attached to the frame and an axle rotatably coupled to the frame. Each of a pair of pedals is coupled to the axle. An electrical generator is mounted on the frame and is mechanically coupled to the axle such that the generator generates electricity when the axle is rotated. A housing has a bottom wall and a perimeter wall that is attached to and extends upwardly from the bottom wall. A plurality of battery cradles is mounted in the housing. Each of the battery cradles has a size and shape for receiving and being electrically couplable to a rechargeable battery. Each of the battery cradles is electrically coupled to the generator so that rechargeable batteries mounted in the battery cradles are recharged when the axle is rotated.

Abstract: An adjustable magnetic resistance mechanism of an upright bike includes a fan-shaped adjustment board which is pivotably connected to the bike's frame and a magnet unit is connected to a distal end of the adjustment board. A connection board is connected to the adjustment board and a shaft of the flywheel extends through a curve slot of the adjustment board. Two ends of the shaft are supported on two support plates on two upright posts of the upright bike. An axle extends through a pivot hole in the adjustment board and the connection board. A resilient member is connected between the connection board and the adjustment board. The adjustment board is pivoted about the axle to adjust the gap between the flywheel and the magnet unit on the adjustment board.

Abstract: A modular transmission assembly includes a housing, a drive wheel rotatably mounted the hollow housing, an idler wheel rotatably mounted in the hollow housing and driven by the drive wheel via a belt, a tension rod pivotally connected to the hollow housing and having a distal end abutted to the belt and a resistance device adjustably mounted on the hollow housing to provide different resistances to the idler wheel such that when the drive wheel is rotated, a force to drive the drive wheel to rotate is dependent to the resistance applied to the idler wheel.

Abstract: A magnetic controlled loading device in combination of a power generating set and an adjusting drive mechanism having a flywheel, a shaft, a transmission element, a magnetic controlled loading device, a micro power generating set and an adjusting drive mechanism integrated into one single unit. It can also be taken apart and used in various combinations. By fully utilizing the limited space without increasing the volume of the flywheel and internal components, a rotor and a stator are disposed in the center of the magnetic controlled loading device. This makes the rotor's permanent magnets to be set on top of the flywheel's inner ring, so that when the flywheel is in operation, it turns into a micro power generating set. By utilizing its self generating power supply, it can provide the power needed by a small motor and by manual adjustments it can also control the changes in magnetic flux density between the flywheel and device as well to achieve continuous adjustment of loading resistance.

Abstract: An automatically adjusting magnetic resistance unit for an exercise device such as a bicycle trainer, in which the degree of resistance is automatically and non-linearly adjusted in relation to the rotational speed of a rotating member caused by the input of a user. The rotating member may be in the form of a flywheel having a number of supports extending between a hub and a rim. The supports define longitudinal grooves which slidably retain magnets that are biased inwardly toward the hub by biasing members. An electrically conductive member is located adjacent the flywheel. As the flywheel rotates in response to rotation of the bicycle wheel, the magnets interact with the conductive member to establish eddy currents that provide resistance to the rotation of the flywheel.

Abstract: An exerciser includes a flywheel rotatably attached onto a frame and coupled to a pair of foot pedals with a transmission device, an arch having one end rotatably coupled to the frame, one or more magnetic members attached to the arch and moveable toward or away from the flywheel, to adjust the magnetic retarding force to the flywheel. A brake shoe is attached to the other end of the arch, and movable to engage with and to brake the flywheel. A spring may bias the arch and the brake shoe away from the flywheel, to allow the brake shoe to be moved toward and against the flywheel and to brake the flywheel selectively. An actuating device may force the brake shoe of the arch to engage with and to brake the flywheel.

Abstract: A resistance unit for an exercise device, such as a bicycle trainer, includes a magnetic member which cooperates with a rotating electrically conductive member to establish eddy current resistance to rotation of a rotatable member forming a part of the resistance unit. The resistance unit includes a body to which the rotatable member is mounted, and an adjustment mechanism is interconnected with the magnetic member and the body for adjusting the position of the magnetic member relative to the electrically conductive member, to adjust the eddy current resistance experienced by the rotatable member. The magnetic member is movably mounted within a passage defined by the body, and the adjustment mechanism includes a manually operable actuator which is accessible from the exterior of the body. The actuator is rotatable relative to the body, and rotation of the actuator functions to move the magnetic member toward and away from the electrically conductive member, to adjust the eddy current resistance.

Abstract: An apparatus for providing exercise to recreational users and training to professional users comprising a support frame on which a bicycle frame is mounted and a resistance generation unit coupled to the support frame to provide resistance against the pedaling of the user. The resistance unit comprises a magnetic field generation source and a flywheel having an annular ring constructed from a plurality of segments of a non-magnetic, conductive material. The resistance exercise apparatus and trainer utilizes the flywheel to eliminate the need for the conventional rear wheel of a bicycle. The use of the flywheel as part of the resistance generation unit creates a “single-stage” resistance exercise trainer, because the resistance generated on the flywheel is transmitted to the user through a direct chain drive of a conventional bicycle. According to another aspect of the present invention, the resistance exercise apparatus includes a chain tensioning mechanism.

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 bicycle includes a frame and a wheel rotatably mounted in relation thereto. The wheel is drivable by two pedal devices including pedal-equipped arms. The two pedal devices are individually mounted in different bearings and connected to the wheel via two different transmissions, which separately co-operates with a mechanical clutch. The clutch includes a dog being movable to and from opposite shoulder surfaces of which a first one guarantees driving the wheel when the dog, in an active state, is pressed against the first shoulder, and the second shoulder gives rise to noise when the dog, in an inactive state, collides with the second shoulder.

Abstract: An exercise bicycle includes a frame and a driven wheel. The frame has a base, a driven member which has an end pivotably connected to the base, and a contacting portion disposed on the driven member. The driven wheel, which is rotatably connected to the base, includes a rolling face contacted with the contacting portion. When the driven wheel is driven to rotate, the driven member will pivot reciprocatingly on a point where the driven member is connected with the base.

Abstract: A exerciser includes a base having a hub for rotatably receiving a spindle which has a radially extended peripheral plate, a rotary member rotatably engaged onto the spindle, a unidirectional driving device having a frame engaged between the peripheral plate and the rotary member, and a pair of cranks coupled to the spindle for driving the rotary member unidirectionally with the driving device. The frame includes a bore for receiving the peripheral plate of the spindle, and having an inner diameter greater than the outer diameter of the spindle.

Abstract: An adjustable crank mechanism comprises a sun gear rigidly attached to a main frame of the device and the sun gear meshed with an adjacent planetary gear of half diameter. A planetary crank arm rigidly projecting from the planetary gear generates an alternative movement of a corresponding linkage arm. A drive member constituted by a planetary crank arm jointed with a planet gear and a linkage arm jointed to the sliding pedal crank on a crank assembly makes the pedal crank extend to the maximum and return to the minimum rotating distance at each halves of cycle. Thus, the pedal on this pedal crank mechanism will move on a Gemini pedal trace to simulate the foot trace of human running or walking.

Abstract: A resistance unit for an exercise device, such as a bicycle trainer, includes a magnetic member which cooperates with a rotating electrically conductive member to establish eddy current resistance to rotation of a rotatable member forming a part of the resistance unit. The resistance unit includes a body to which the rotatable member is mounted, and an adjustment mechanism is interconnected with the magnetic member and the body for adjusting the position of the magnetic member relative to the electrically conductive member, to adjust the eddy current resistance experienced by the rotatable member. The magnetic member is movably mounted within a passage defined by the body, and the adjustment mechanism includes a manually operable actuator which is accessible from the exterior of the body. The actuator is rotatable relative to the body, and rotation of the actuator functions to move the magnetic member toward and away from the electrically conductive member, to adjust the eddy current resistance.

Abstract: An eccentric cycling trainer assembly for use with a conventional cycle comprises first and second frame members connected to each other to define a wheel-receiving body and including the assembly wheel-rotating unit. The wheel-rotating unit rotates the rear wheel of the cycle in a counter-pedaling direction whereby the trainee can then apply an opposition rotational force upon the cycle's pedals in a pedaling direction as the rear wheel continues to rotate thereby providing an eccentric muscular exercise.

Abstract: Brake assembly for cyclists' training device, provided with a support structure (7) on which there is rotatably mounted a shaft (10) having, keyed thereto, a roller (6) rotating in contact with the rear wheel of a bicycle. An end portion (12) of the shaft (10) is provided for this purpose with magnetic elements (13) able to exert a resistive torque and provided with a rotor (17) keyed onto the shaft (10) and carrying, fixed thereon, one or more permanent magnets (18) and a stator (19) mounted on the support structure (7) in the vicinity of the rotor (17). The stator (19) is composed of a disk of ferromagnetic material (20) and a shaped plate (21) of substantially conductive and non-magnetic material fixed to the ferromagnetic disk (20) on the side where the rotor (17) is located.

Abstract: A device for inducing a cycling motion in patients who have little or no motor control of their legs. The device has bicycle-type pedals connected via a belt or chain drive to a motor with a speed control allowing a very low rate of rotation from 0.1 cycles per second up to about 1.0 cycles per second. The device includes straps for wheelchair wheels for locking a wheelchair in position such that the patient's feet may be strapped onto the pedals. The diameter of rotation of the pedals is adjustable to accommodate different leg lengths and to allow various diameters of rotation of the pedals. The motor is housed within a console with medial and lateral supports so that the legs of the patient are maintained in alignment.

Abstract: A force-retarding device for a stationary bicycle includes a supporting base, a flywheel provided on the supporting base, a transmitting element, a shaft combined with the flywheel and the transmitting element, and a movement-stopping base provided between the transmitting element and the shaft. The movement-stopping base has an annular vertical contact surface. At one side of the contact surface are orderly provided a first bearing, a separating ring and a second bearing. An annular sealer is provided, screwed on an inner annular surface of the transmitting element and located outside of the second bearing. Then the sealer may press against the first bearing, the separating ring, the second bearing and the movement-stopping base to leave no gap between them to prohibit the bearings from sliding right or left. So the force-retarding device may not give rise to vibration or noise in pedaling the stationary bicycle.

Abstract: A damping device for an exercising cycle includes a support base, and a damping unit. The damping unit includes a contact wheel rotatably mounted on the support base, a flywheel mounted on the first end of the shaft of the contact wheel, and a stirring wheel mounted on the second end of the shaft of the contact wheel and mounted in a container which contains hydraulic oil therein. Thus, the contact wheel is rotated by the rear wheel to rotate the shaft which rotates the flywheel, so that the blades of the flywheel are rotated to produce an air flow which is used to cool the heat produced by the friction between the contact wheel and the rear wheel, and to cool the hydraulic oil contained in the container.

Abstract: A motorized stationary bike is provided for lower body rehabilitation. The motorized stationary bike has the same general appearance as an ordinary bike. Furthermore, it comprises a motor, a drive shaft, a coupler, a worm gear, and a toothed gear where the motor, the drive shaft, the coupler, and the worm gear are axially aligned one to another, and are horizontally disposed on the bike frame. The motor is connected to the drive shaft, and the drive shaft is coupled to the worm gear by the coupler. The worm gear is engaged to the toothed gear. The motor is coupled to an electrical energy source such that when the motor is turned on, the worm gear drives the toothed gear, which causes each of the step pedal supporting arms and the respective step pedal to turn.

Abstract: A resistance generator adapted to a stationary bicycle exerciser to produce resistance when driven by cycling essentially comprised of a support unit, a transmission unit and a magnetism controlled unit; within, said magnetism controlled unit containing multiples of magnet arranged in circular being provided to a fixation disk and connected with an aluminum disk to a transmission shaft in the transmission unit; and resistance being produced by vortex magnetic loss resulted from those magnets positioned in relation to the rotating aluminum disk as driven by a wheel.

Abstract: An exerciser includes a rotary member rotatably supported on a base and driven by foot pedals, a handle stem pivotally supported on the base, and a brake cable engaged around the rotary member and having one end coupled to the handle stem. The brake cable is arranged to be moved away from and toward the rotary member when the handle stem is rotated relative to the base. The brake cable may be loosen relative to the rotary member when the handle stem is rotated away from the users, and may be forced against the rotary member when the handle stem is rotated toward the users.

Abstract: To provide a rotary damper having a compact shape with a short axial length and capable of absorbing an extremely high torque acting temporarily in the case of a door abruptly closing. In a rotary damper (1) in which a rotary member (5) includes: a basement portion (6) axially supported by a drive shaft (4); a torque adjustor (7) capable of relatively moving on the drive shaft (4); a slide member (8) positioned through and facing the torque adjustor (7); and a spring (9) for energizing the slide member (8) to a cam, the slide member (8) is moved in the radial direction by relatively moving the torque adjustor (7) to a position having a predetermined angle against the drive shaft (4), and a predetermined radial clearance is formed between an outer surface (8b) of the slide member (8) and an inner peripheral surface (3a) of a chamber, thereby changing the clearance to change a torque generated by the rotation of the rotational member (5).

Abstract: A method and apparatus for providing speed controlled eccentric exercise which include an exercise apparatus having an engagement member for engaging a user's body where the engagement member is moveable in opposite directions, means for enabling the engagement member to exert a force in a first direction at a predetermined speed, means for detecting change in the predetermined speed or pressure of the force after a user applies a force to the engagement means in a direction opposite the first force, and means for adjusting the apparatus supplied force and user supplied forces to equal one another or to maintain the predetermined speed.

Abstract: A one-way output device with a clockwise-counterclockwise unit includes a lengthwise hollow sleeve formed with a recessed fixing base. An inner gear cover is covered on the fixing base. A solar gear and two planetary gears are positioned between the fixing base and the inner gear cover, and the two planetary gears mesh with the inner teeth of the inner gear cover. A shaft is fitted thereon with an inner and an outer drive ring positioned interposing each other and fitted thereon with a clutch with balls. The shaft has its opposite ends respectively extending out of the fixing base and the inner gear cover and stably positioned. The inner and the outer drive ring and the balls are respectively fitted with the solar gear and the inner gear cover, carrying out one-way output whether the shaft is driven to rotate clockwise or counterclockwise.

Abstract: A wheel-type resistance device for providing a resisting force to a bicycle exerciser, includes two swing arms pivotally mounted on an exerciser frame and outboard to two side walls of a flywheel so as to swingable to be remote from or close to the side walls respectively in first and second positions. A right magnet member and a left magnetically attractive member are mounted respectively on the swing arms such that movement to the second position will cause an increased dragging force on the flywheel. A force adjusting cable is connected to the swing arms and is operable to pull the swing arms, as well as the right magnet member and the left magnetically attractive member, to the second position.

Abstract: An exercise system (10) for exercising at least one limb, such as the legs, of a subject with spinal cord injury or deficiency. The system (10) comprises an exercise bicycle (20) having a crank (17) and pedals (16) to which the feet of the subject can be mounted, and a functional electrical stimulation (FES) system (30). The FES system (30) stimulates the muscles of the legs and includes a transducer (51) mountable to at least one of the legs of the subject (12) that outputs signals representative of the position and/or movement of the leg when performing the exercise. The FES system (30) further includes a control means that receives and processes the signals output by the transducer (51) and outputs control signals to a stimulator (35) that through electrodes (53) provides electrical stimulation to the legs of the subject (12) so as to cause the legs to drive the crank (17) of the bicycle (20).

Abstract: An improved elliptical path exercise machine is provided that is simple and robust in its construction, requires minimal maintenance, provides smooth even exercise motion, and which has a compact foot-print. The apparatus includes a pair of planetary gears, sun/ring gears and at least one crank. The crank is supported and arranged so as to be rotatable about a crank axis. Each planetary gear is pivotably secured to the crank about a pivot point located and arranged such that as the crank is rotated the planetary gears engage and rotate relative to their corresponding sun/ring gears while simultaneously revolving about the crank axis so as to form right and left epicylic gear trains. Two foot pedals are each pivotably secured to a corresponding one of the planetary gears and are sized and arranged to support the feet of a user. The layout and geometries of the device are such that each foot-pedal follows a substantially elliptical foot-path as the crank is rotated.

Abstract: An exercise-aid device comprises a base, a transmission mechanism, and a pair of cranks. The transmission mechanism comprises a motor, a first shaft, and a second shaft. The motor includes an output shaft with a worm. A drive gear is mounted on the first shaft and meshes with the worm. A follower gear is fixed to a side of the drive gear to turn therewith. A driven gear is mounted on the second shaft and meshes with the follower gear. Each crank has a pedal mounted thereto and is securely attached to an end of the second shaft to turn therewith. The worm and the drive gear provide a first-stage reduction. The follower gear and the driven gear provide a second-stage reduction, thereby providing a torque sufficiently high for driving said pedals to turn even if two feet of a user are placed on the pedals.

Abstract: An exercise apparatus includes a frame, an arm supporting member, and a leg supporting member. A sensor is connected to the arm supporting member, and/or a resilient member is interconnected between the arm supporting member and either the leg supporting member or the frame. The sensor communicates with a user display and/or a resistance device to indicate the amounts of work performed by the arm supporting member and the leg supporting member, and/or to adjust resistance to movement of the leg supporting member as a function of user force applied against the arm supporting member. The resilient member encourages synchronization of the arm supporting member and the leg supporting member, while allowing some relative movement therebetween.

Abstract: An inner tangentially driving exerciser, more particularly an exerciser providing a moving wheel for an exercising means and driving inner tangentially, mainly includes a driving apparatus, having an eccentric shaft, disposed relatively on the position of a circular tangent point at the lower aspect of an inner circle of the motion wheel and indirectly moving the motion wheel through a link effect to achieve a safe application objective of lowering an operation position and having a hollow circular breadth.

Abstract: The invention relates to a quick release mechanism for securing and releasing a bicycle in a trainer, wherein said mechanism engages and secures the rear hub area of a bicycle without disassembly of said bicycle, comprising: (a) a housing adapted to slidably receive at least part of a piston, wherein said housing is mounted on a first hub supporting leg of said trainer; (b) a piston nesting within the housing and being slidable therein, wherein said piston has a first end and a second end, said first end bearing a first means for capturing a bicycle wheel hub; (c) means for slidably moving side piston within said housing in order to extend said first end toward the hub of a bicycle to secure said bicycle, including a lever mounted at the second end of said piston; (d) a second means for capturing said bicycle wheel hub, said capturing means being mounted on a second hub supporting leg of said trainer, wherein the hub supporting legs are mutually spaced to allow a bicycle wheel mounted on a bicycle wheel t

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 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 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 resistance device for use in an exercise apparatus includes a rotatable shaft and an impeller rotatable within a fluid filled sealed chamber. A rotating member is joined for rotation with the rotatable shaft. The rotating member is external to the sealed chamber and is magnetically coupled to the impeller.

Abstract: A force-retarding device for a stationary bicycle includes a supporting base, a flywheel provided on the supporting base, a transmitting element, a shaft combined with the flywheel and the transmitting element, and a movement-stopping base provided between the transmitting element and the shaft. The movement-stopping base has an annular vertical contact surface. At one side of the contact surface are orderly provided a first bearing, a separating ring and a second bearing. An annular sealer is provided, screwed on an inner annular surface of the transmitting element and located outside of the second bearing. Then the sealer may press against the first bearing, the separating ring, the second bearing and the movement-stopping base to leave no gap between them to prohibit the bearings from sliding right or left. So the force-retarding device may not give rise to vibration or noise in pedaling the stationary bicycle.

Abstract: The present invention relates to a work-indicating unit of a magnetic control exercise apparatus. A plurality of circuit board sets are positioned around a flywheel. Each circuit board set has several sensing elements and light-emitting elements (e.g. monochromatic or polychrome LED). Each sensing element corresponds to a magnet set of the magnetic resistance elements in order to detect the resistance voltage value produced by the flywheel in unit time. The resistance voltage is used to actuate the light-emitting elements. Accordingly, the amount of exercise in unit time is displayed by the light-emitting elements, which are lit or not lit depending on the amount of resistance voltage.

Abstract: A calibration verification system 20 comprises a trainer 40 having a load generator, a variable load control system (hidden by the cover of the load generator) connected in electrical communication with the load generator, and an exercise trainer computer system 140 connected in communication with the variable load control system. In operation, the exercise trainer computer system 140 outputs commands to the variable load control system. These commands can, for example, instruct the variable load control system to energize the load generator at predetermined times and power levels in order to simulate changes in terrain. The calibration verification system 20 also allows the user to verify the calibration of the trainer 40 by implementing a user initiated process, which conducts a calibration verification test of the trainer and outputs the test data at the exercise trainer computer system 140.

Abstract: An exercising bicycle is proposed, having a rear hub thereof being mounted with a spring seat, a coupling member, a spiral spring, a turning mechanism and a braking system. The spring seat is formed with a shaft for being sleeved with the coupling member. The spiral spring is placed between the coupling member and spring seat. The turning mechanism is operatably driven by body motion of a user, whereby the coupling member is urged to rotate with respect to the spring seat for twisting the spiral spring tight, and the spring seat is actuated to rotate by resilient force from releasing the twisted spiral spring. By this mode of operation as to urge the turning mechanism for making the spiral spring store kinetic energy, and then to release the stored energy for driving the bicycle to move, the user can be elicited with a large amount of whole body exercise.

Abstract: A resistance device for an exerciser of the present invention is provided to be exclusively applied to exercisers, such as a bicycle exerciser, a pedal-type exerciser or a running exerciser for a resisting function; the resistance device adopts an oil resistance-type device of a completely different mechanical design for an innovative structural operation to overcome the shortcomings of an conventional oil resistance-type device of high cost and with complicate peripheral elements; the advantages of the present invention are that the function derived therefrom is basic with non-step resistance and the volume thereof is light and small for endurable use and easy operation; therefore, the design of the present invention enhances the quality and the function of the abovementioned exercisers to be applied by the present invention exclusively through the provision of a resistance device with a preferred cost, volume, function, endurable and useful life.

Abstract: The exercise device of the present invention has a base having at least one frame member extending from the base. A rotatable drive shaft is mounted on the frame and a first one-way clutch and a second one-way clutch are mounted on the drive shaft. A means is provided for operatively connecting the drive shaft to an alternator whereby rotation of the drive shaft causes the alternator to provide resistance to the exercise device and to generate electricity. A pair of arms and a pair of levers are pivotally mounted on the base whereby movement of the arms causes a movement of the levers. A foot pad is positioned on each of the arms. The foot pads are disposed to move in an arcuate path towards and away from the side members of the base. A means is provided for operatively connecting one of the levers to the first one-way clutch and the other lever to the second one-way clutch.

Abstract: An exercising monocycle includes a main body provided with a seat so that a user may be seated on the seat to ride the exercising monocycle, a main frame secured on the main body, a main shaft rotatably mounted in the main frame, an acceleration mechanism driven by the main shaft to output an acceleration power, and a magnetic control mechanism mounted in the main frame. The magnetic control mechanism includes a flywheel for receiving the acceleration power output from the acceleration mechanism, and a damping device for increasing a resistance applied on rotation of the flywheel, and the acceleration mechanism being surrounded by the flywheel. Thus, the exercising monocycle has a smaller volume and occupies a smaller space.

Abstract: A new and unique highly adjustable stationary exercise bicycle for children or adolescents is presented incorporating a number of features specifically designed for youthful stationary bicycle users. The improvements over the prior art include infinitely adjustable vertical and horizontal seat heights and handlebar heights which are secured in their positions by a quick release lever rather than the standard pop pins. Also included are ports which allow the surface between the friction member and the working wheel to be lubricated. An emergency brake for the working wheel as well as a quick way to disengage the working wheel from the pedals is provided. A one-way directional clutch bearing also allows the user to “coast” on the bicycle, with the pedals remaining stationary while the working wheel is still moving. Special pedal cage brackets are placed around each pedal so that the youth's use of such an exercise bicycle is made much more safely.

Abstract: An automatically adjusting magnetic resistance unit for an exercise device such as a bicycle trainer. in which the degree of resistance is automatically and nonlinearly adjusted in relation to the rotational speed of a rotating member caused by the input of a user. The rotating member may be in the form of a flywheel having a number of supports extending between a hub and a rim. The supports define longitudinal grooves which slidably retain magnets that are biased inwardly toward the hub by biasing members. An electrically conductive member is located adjacent the flywheel. As the flywheel rotates in response to rotation of the bicycle wheel, the magnets interact with the conductive member to establish eddy currents that provide resistance to the rotation of the flywheel.

Abstract: An drive assembly for an exercise bike consists of an electrical motor (10), a driven wheel (20), a unidirectional clutch (30), a flywheel (40), a shaft (47) and a crank wheel (50). The shaft (47) penetrates the driven wheel (20), the unidirectional clutch (30) and the flywheel (40). The driven wheel (20) is driven by the electrical motor (10) and then passes on the rotating momentum via the clutch (30), the flywheel (40), the belt wheel and the crank wheel (50) in sequence when the electrical motor (10) is switched on. The exercise bike can rotate in an automatic way to make the ordinary exercise bike into a physical therapy training bike.