Abstract: Exercise apparatus which enables the user to selectively perform a bench press exercise or a butterfly exercise using the same apparatus elements without requiring any modification to the apparatus by the user. A pair of exercise arms are mounted to a pivot bar for pivoting movement each about a respective one of a pair of parallel pivot axes and are interconnected for concurrent pivoting movement in opposite angular directions about the pair of pivot axes by respective intermeshed circular gear segments. The pivot bar is mounted to an overhead member for pivoting movement about a horizontal pivot axis. When a butterfly exercise is being performed, the apparatus provides equal resistance to both of the user's arms and insures that both arms move at the same speed. When a bench press exercise is being performed, the meshing of the circular gear segments locks the exercise arms together.

Abstract: A universal gym includes a frame assembly, a resistance assembly, a lever-type strain gauge, and a plurality of exercising assemblies the resultant resistances of which are identical under proper arrangement of a plurality of movable pulleys and fixed pulleys.

Abstract: An apparatus and a method for performing a chest press exercise are disclosed. A user support and a primary hinge are mounted to a frame. A secondary hinge is mounted to the primary hinge. An arm mounted to the secondary hinge has a handle adapted to be grasped by the user. The two hinges permit the user to displace the handle in either or both the longitudinal and lateral directions. A means for resisting the displacement of the handle, preferably in both the lateral and longitudinal directions, is provided. The resistance means may include an incremental weight stack operably engaged to handle by belts directed by self-aligning pulleys. A second handle, arm and secondary hinge may be provided for the other hand so that the user may exercise both halves of his body. The arms may be connected such that both handles move the same longitudinal and/or lateral distance.

Abstract: A multiple station weight lifting type exercise apparatus having cabled linkage and direct lifting capabilities is disclosed. The apparatus is characterized as having a plurality of exercise stations located about a base platform and a single weight stack being movable in a conventional manner through direct and indirect forces applied thereto by the various exercise stations. Each station generally has several apparatus connectable to one or more cables that are operatively linked to all other stations and effect movement of the weight stack preferably by a single cable when any cable undergoes tensioned movement. In addition, at least one station directly imparts movement of the weight stack by means of non-cable linkage. The non-cabled linkage or direct lift of the weight stack is carried out by providing for a translation assembly to be located in operative engagement with the weight stack to which the cable, operatively linked to other stations, is anchored.

Abstract: An apparatus and a method for performing a lat pulldown exercise are disclosed. A user support and a primary hinge are mounted to a frame. A secondary hinge is mounted to the primary hinge. An arm mounted to the secondary hinge has a handle adapted to be grasped by the user. The two hinges permit the user to displace the handle in either or both the longitudinal and lateral directions. A means for resisting the displacement of the handle, preferably in both the lateral and longitudinal directions, is provided. The resistance means may include an incremental weight stack operably engaged to the handle by belts directed by self-aligning pulleys. A second handle, arm and secondary hinge may be provided for the other hand so that the user may exercise both halves of his body. The arms may be connected such that both handles move the same longitudinal and/or lateral distance.

Abstract: A universal aquatic exercise machine that includes a plurality of exercise devices, for example, a first exercise device rotatably mounted on a base that moves through a rotary path of motion, a second exercise device rotatably connected to the base that moves back and forth in a reciprocating motion and a third exercise device mounted on the base for reciprocating back and forth motion. The aquatic exercise machine includes a pivoting seat that permits the exercise devices to be performed in either a seated or an erect posture. The exercise devices may have fixed area resistance elements or variable area resistance elements. In addition, underwater footwear facilitates submerged leg exercises and activities such as sliding, skating and other activities.

Abstract: An improved leg lift unit includes three sets of exercising and/or support pads for facilitating various exercise regimens. A first set of exercising pads is mounted to a pivoting leg member to facilitate leg lift exercises. A second set of exercise pads are mounted to a body of the unit to provide support for an exerciser in various positions. A vertically adjustable support pad assembly is provided which can be positioned to clamp a user's legs or thighs when doing leg lift exercises. The vertically adjustable support pad assembly can also be used in arm curl exercises in connection with a bar rest mounted to the pivoting leg member.

Abstract: A multipurpose exercise machine comprises an upright bar to which an arm drilling device is fastened. The arm drilling device is composed of a sliding seat and a support member. The sliding seat has a frame provided with a plurality of roller sets enabling the frame to move up and down along the upright bar. The support member comprises a support rod on which a leg support is mounted. The support rod is fastened at one end thereof with the frame. The support member is intended to provide both legs of an exerciser with a support when the exerciser is doing an arm building exercise.

Abstract: A multiple-exercise station may be used alone or as a station for a multi-gym type of exercise machine. The station has a frame supporting a bench for performance of leg presses and leg extensions. A user standing on the floor at one end of the bench may also perform standing leg curls. Two movable arms are attached to the frame at the one end of the bench. A first movable arm is pinned near the floor, having a plate attached to an upper end for placement of the feet of a user thereagainst. The first movable arm is rotated by the force of a user's legs, moving away at its upper end from the bench in response to a pressing action against the plate. A second movable arm is pinned at its top end to an aperture proximate the top of the first movable arm on the side opposite the bench. The lower end of the second movable arm is rotatable away from the first movable arm.

Abstract: A body building station includes three juxtaposed posts extending downwardly from the underside of a securing seat of a seat of a frame. The side posts are pivotally connected to two rocker arms along the front side of the frame to form a leg exercising mechanism, while the central post is pivotally connected to a rotary frame at the rear side of the frame to form a twisting mechanism. Both tips of the rotary frame are connected to a bent press bar to form an abdominal exercising mechanism. Rubber resistance elements may be selectively positioned at suitable locations of the frame to facilitate the carrying out of different exercises.

Abstract: A compact weight lifting machine includes a lift bar assembly including a lift cable and a lift bar which operates through the lift cable to lift selected weights from a weight stack responsive to either upward or downward movement of the lift bar. A seat assembly is positioned beneath the lift bar and includes first and second sections selectively positionable to support a user to perform a variety of exercises. A leg extension/leg curl mechanism located at one end of the seat assembly and a butterfly mechanism located at the opposite end of the seat assembly also operate through the lift cable to lift selected weights from the weight stack.

Abstract: A multi-station weight-training machine includes a movable weight stack device and support frame. The device includes a plurality of weights in stack form, an upright support structure mounting the weights for undergoing vertical movement between upper and lower ends of the upright support structure and a movable carriage for mounting the upright support structure and the weights therewith to undergo lateral movement along and to positions at different workout stations disposed along the support frame of the multi-station weight-training machine. The support frame includes an upright framework supporting the different workout stations and lower and upper structures attached to the upright framework for supporting therebetween the movable weight stack device and for guiding it to undergo lateral movement between opposite ends of the upright framework and along and to different positions adjacent to the different workout stations.

Abstract: A leg press includes an adjustable foot-rest structure provided near the bottom of a front erect column of a main body for the user to rest his feet thereon as a pivot when doing scissors exercises of the thighs. Two separate cushions are provided on top of two corresponding swing arms. The cushions may synchronously move with the user's thighs to reduce the load of the legs' weight in exercising.

Abstract: An aerobic and anaerobic treadmill exercise system including a treadmill apparatus, independent upper body exercise apparatus and independent lower body exercise apparatus. The independent upper body exercise apparatus and lower body exercise apparatus are integrally connected to the treadmill forming a unified exercise apparatus system. The upper body exercise apparatus may comprise independently movable arms used in conjunction with the treadmill for push-pull exercises or for butterfly-type exercises, an arm lift exercise apparatus, or an overhead pull type exercise apparatus. The lower body exercise apparatus may be a pull type apparatus. An adjustable cable resistance system is interconnected to the independent upper exercise apparatus and lower body exercise apparatus.

Abstract: A non-gravity type resistance exercise apparatus which is small, light weight, highly versatile, safe and easy to use. The apparatus includes a compact, self-contained selectorized resistance module that embodies a plurality of discrete elastomeric cords that can be quickly and easily selectively coupled with a gripping member to provide precise resistance to movement of the gripping member during the performance of a large number of different kinds of exercises by the trainee. The apparatus also uniquely includes a supporting frame of limited height to which a pulley carrying exercise arm is pivotally connected for movement between a lowered, compact storage position to an intermediate position to a raised latissimus exercise position.

Abstract: An exercise apparatus having a seat and a pair of interconnected pivoting thigh exercising arms which are selectively yieldably biased to exercise either the user's outer or inner thigh muscles. In addition, a foot exercise assembly is provided so that the apparatus can function as a recumbent stepper exerciser.

Abstract: A cable and pulley system for a multi-station exercise machine involving a tensioned cable led over a series of pulleys, at least one of which is a cradled pulley normally nested in a cradle and radially held in the cradle by the force of the tension on the tensioned cable and radially movable out of the cradle by a greater force applied to the cradled pulley by a second pull cable mechanically connected to the cradled pulley and functioning to move the cradled pulley radially out of its cradle when sufficient tensional force is applied to the second cable to overcome the tension applied to the cradled pulley by the tensioned cable. Additional exercise stations can be added to operate with additional cables and cradled pulleys without changing the manner of operation of other cables and exercise stations.

Abstract: A multi-station exercise machine frame structure comprising a base support assembly which supports a number of columns for accommodating individual exercise units or stations. The base support assembly is constructed of cross beams connected between bottom parts of associated columns. Expansion of the machine to include one or more additional exercise units or stations is accomplished by adding corresponding columns and connecting additional cross beams of similar construction. In another aspect, a module for a butterfly unit is provided which comprises tilted inlet and outlet pulleys to facilitate a smooth operation of pivoting rods in performing a butterfly exercise.

Abstract: An apparatus for exercising the limbs of an individual. The inventive device includes a frame assembly having a seat assembly adjustably positioned relative thereto. A plurality of resilient exercise assemblies are coupled to the frame assembly and can be tensioned by a user to exercise the arms and legs thereof. The exercise assemblies each include a pair of elongated springs or elastomeric elements coupled to the frame and terminating in a pair of grips engageable by either the hands or feet of the user.

Abstract: An exercise apparatus includes an upright column, with a translating shuttle assembly secured within a slot in the column. An adjustable seat is supported by the shuttle assembly. A collar is secured to the upper end of the shuttle assembly, and circumscribes the column assembly in freely translating fashion. A first pivot shaft is joined to the collar to secure one end of a main drive link in freely pivoting fashion. A handle pivot shaft secures a pair of handle members to a second pivot shaft atop the column assembly. A first mounting pin is adapted to releasably secure the other end of the main drive link to the handles at selectively variable distances from the first pivot shaft. Movement of the handles urges the main drive link upwardly to lift the shuttle assembly and the weight of the user. A leg exercise assembly includes a pair of leg struts joined in parallel spaced apart disposition to opposed ends of a third pivot shaft supported on the column.

Abstract: Aerobic exercise equipment includes a frame body having a base portion that rests on a floor surface, and a seat portion. Shaft portions fixed with respect to the frame body define pivot axes aligned with a front edge of the seat portion. A pair of arm exercise bars are mounted each at a side of the seat portion to swing forward about first shaft portions when the person grips the bars while seated. A pair of leg exercise bars are also mounted each at a side of the seat portion to swing upward about second shaft portions when the seated person's feet are urged against the leg exercise bars. In a preferred embodiment, all of the shaft portions on which the arm and the leg exercise bars are mounted have a common axis, and adjacent arm/leg exercise bars at the sides of the seat portion have an associated torsion spring and limit stop mechanism. Adjustable paddle assemblies are used in place of the spring mechanisms in an underwater version of the equipment.

Abstract: An exercise apparatus is provided which includes a chair, an arm-exercising station, and a leg-exercising station. The arm-exercising station is mounted in the armrests of the chair and includes a support frame attached to the base portion of the chair, a pair of elongated left and right exercise bars disposed within the left and right armrest portions of the chair operable for selective pivotal movement within the armrest portions, and a resistance device attached to the bars for resisting the pivotal movement of the bars. The leg-exercising station is mounted within the footrest portion of the chair and includes an elongated support bar including a hollow outer pole and an inner pole received in the outer pole for upward telescoping movement, and a pedal assembly attached to the support bar and configured for rotational movement thereabout.

Abstract: An exercise apparatus comprising a frame, a pivot arm mounted on the frame, a resistance mechanism, preferably an elastomeric torsion member, and a positioning element which allows the pivot arm to be pivotally adjusted with respect to the frame, independent of the resistance element, so as to vary the neutral position of the pivot arm. The preferred embodiment may also comprise a shaft mounted to the frame for conveying torque to the elastomeric torsion member and a support arm mounted to the frame to oppose rotation of the elastomeric torsion member about the shaft. In one embodiment, the exercise apparatus takes the form of a weight bench. In a second embodiment, the exercise apparatus is a home gym.

Abstract: A weight lifting machine for performing a wide range of exercises, has a lift bar angularly adjustable for a starting lift position angularly upward or downward of a substantially horizontal position. An actuating bar is connected to the lift bar for movement therewith. First and second pulleys are movably mounted above and below the actuating bar such that the first pulley moves upwardly with the actuating bar and the second pulley moves downwardly with the actuating bar. The first pulley is prevented from moving downwardly when the second pulley is moved downwardly with the actuating bar and the second pulley is likewise prevented from moving upwardly when the first pulley is moved upwardly. A lift cable is threaded through the first and second pulleys such that movement of the lift bar in either direction lengthens the distance between the pulleys, thereby lifting a plate-type weight stack.

Abstract: A pivoting exercise apparatus comprising a structural frame, a thigh engagement member, and optional resistance device and motor, whereby the user may engage the thigh engagement member with the thigh portion of their legs and perform lower body exercise routines while in a relatively reclined position. The thigh engagement member is pivotally coupled to the structural frame to pivot in the forward, backward, and side directions. The user may manually produce motion in the thigh engagement member. A resistance may be included to provide a resistance force against this pivoting motion. A motor may also be used to provide automatic pivoting motion of the thigh engagement member.

Abstract: A height-adjusting device for an exercise apparatus has a wedge unit mounted adjustably between a load-carrying member and two lifting levers to lift the load-carrying member. The wedge unit includes a U-shaped inner body sleeved on the load-carrying member and having two opposed first vertical plates and a first bottom plate interconnecting bottom ends of the first vertical plates. Each first vertical plate has first and second end portions. A U-shaped outer body has two opposed second vertical plates disposed outwardly of the first vertical plates, and a second bottom plate interconnecting bottom ends of the second vertical plates. Each second vertical plate has one end portion provided with a roller, another end portion pivoted to a lower section of the second end portion, and a top bearing end. A stop bolt bridges top ends of the second end portions.

Abstract: A multi-function exercise machine includes an I-shaped base, an erect mast and a supporting post. The mast, which is erected on the base has a headrest slidably mounted thereon. A curved handbar is attached to the rear of the headrest. An elastic rope is attached to the curved handbar at the end thereof. The other end of the elastic rope is guided through a pulley disposed within the mast. By this arrangement, the elastic force of the wound rope can be applied to a user then the user conducts a bowing movement. A pair of L-shaped supports are rotatably mounted through supporting legs adjacent to the seat. The supporting legs for the L-shaped supports are spring-biased to apply a load to the feet when a user is conducting a clamping movement. When the spring is attached to the rear part of the supporting legs, the L-shaped supports can be used to conduct a feet expanding movement.

Abstract: A multiple function exercise apparatus comprises a frame for supporting a resistance assembly such as a guided weight assembly. A cam is pivotally mounted on the frame and is operably connected to the resistance assembly. A handlebar may be attached to said cam in one of a plurality of fixed resting positions. In one mode of operation, movement of the handlebar in a first direction causes the cam to pivot in a first direction thereby moving the resistance assembly from its resting position. In another mode of operation, the movement of the handlebar in a second direction opposite the first direction causes the cam to likewise pivot in a second direction opposite the first rotational direction thereby moving the resistance assembly from its resting position. In yet another mode of operation, the cam may be locked in a fixed position.

Abstract: An exercise apparatus includes a plurality of exercise stations, each of which exercises particular muscle groups of the body. Each exercise station is continuously coupled to a common stack of weights, a selectable number of which provide resistance to a user's operation of a selected exercise station. At least one of the exercise stations is coupled to the weight stack through a lever arm. A plurality of lever arms may be provided and mechanically interconnected so as to couple a plurality of exercise stations to the weight stack.

Abstract: An exercise mechanism includes a base, a post and a pole extended upward from the base, a sleeve slidably engaged on the pole, a weight secured to the sleeve, a bracket pivotally secured to the post, and a cable coupling the bracket to the sleeve for lifting the sleeve and the weight upward when the bracket is rotated, a curved track fixed in the bracket, a frame pivotally secured to the post and having one end engaging with the curved track. The exercise mechanism can be used for practicing various kinds of exercises.

Abstract: An exercise apparatus comprises a base and a transmission device. The base is provided with a plurality of support frames, one of which is provided with two locking shafts. The transmission device is mounted pivotally on the base and composed of movable support, transmission support, adjustment support, rest pad, leg pad, and elastic element. The user of the apparatus is capable of doing exercise for building the muscles of arms and legs.

Abstract: An exercise device has a support frame and a lever arm attached to the support frame and pivotably movable between a rest position, wherein the lever arm hangs downwardly relative to the support frame, and an extended position, wherein the lever arm is pivoted upwardly from its rest position. A range of motion (ROM) block is rigidly attached to the lever arm, and pivots with the lever arm. The orientation of the ROM block relative to the lever arm can be selectively varied.A tackle is attached to the ROM block to provide an opposing force to motion of the lever arm from the rest position to the extended position. This tackle includes two pulleys that are attached to the ROM block. The tackle also includes a substantially taut cable that extends between the pulleys, and the cable is connected to a mass.

Abstract: An exercising machine including a base frame having a seat at the top, a scissor grip unit bilaterally pivotally connected to the base frame for exercising the hands through a scissor's action, a leg exercising unit coupled to the base frame at the front for exercising the legs, a back rest pivotally connected to the base frame at the back, a first pair of springy members bilaterally connected between the scissor grip unit and the base frame to produce a resisting force against the scissor's action of the scissor grip unit, and a second springy members bilaterally connected between the base frame and the back rest to give a resisting force against the backward movement of the back rest.

Abstract: A variable resistance band exercise machine for exercising the body of a user including their arms, waists and legs. The user moves various groups of movable exercise components against the resistance provided by elastically deformable resistance bands. The deformable resistance bands are removable and can be interchangeably exchanged with any group of exercise components.

Abstract: Muscle stretching apparatus characterized in that it comprises a support structure (3) mounted so as to pivot on a frame (1) by means of a pin (2), this support (3) being provided with means (5.sub.1, 5.sub.2) for supporting the two legs of the user, these means being mounted on the support by means of pivot pins (4.sub.1, 4.sub.2, which are perpendicular to the pin (2) on which the support (3) pivots on the frame (1), this frame including a support platform of adjustable height, the arrangement of the three rotation pins (2, 4.sub.1 and 4.sub.2) making it possible to position the physiological joint axes of the individual in alignment with the pins of the machine, regardless of the movement performed and the morphology of the individual.

Abstract: A leg press machine that provides an increasing resistance curve which approximates the strength curve of a user. The machine has a weight stack that can move relative to a frame. The machine also has a push plate that is coupled to the weight stack by a cable which is guided and held in tension by a series of pulleys. The push plate is attached to a first linkage arm which is pivotally connected to a second linkage arm and a third linkage arm. The second and third linkage arms are pivotally connected to the frame, so that the push plate can rotate between a rest position and an extended position. Attached to the third linkage arm is a first rotating pulley that moves through an arc when the push plate moves between the rest and extended positions. The cable is coupled to the first rotating pulley, so that when the push plate moves toward the extended position, the arcuate motion of the pulley pulls the cable and lifts the weight stack.

Abstract: An exerciser includes a weighted base, a frame member, a resistance assembly mounted in the frame member, and a lifting bar mechanism. The lifting bar mechanism includes an axle rotatably mounted in the frame member, a gear securely mounted on the axle, a lifting bar connected to the axle to rotate therewith, a clutch seat mounted on the axle surrounding and receiving the gear and having a cutout in a periphery thereof, a rocker arm extending outward from an outer periphery of the clutch seat, a cable having a first end attached to the rocker arm and a second end attached to the resistance assembly, and a clutch assembly with a pawl member for releasably engaging with the gear under the control of a clutch lever thereof. When the clutch lever is pressed, the user may adjust the lowermost position of the lifting bar.

Abstract: A multi-station exercise machine has a movable subframe on which a user sits while performing various exercises. The subframe is pivotally attached to a stationery frame and is supported by a lever arm that is also pivotally attached to the stationery frame. The pivot arms coupling the subframe to the stationery frame bear against a carriage that is movable located on the lever arm. A cable and pulley system couples the lever arm to the various operable members of the apparatus so that a selectable ratio of the weight of the subframe, including the user, is communicated as exercise resistance. The amount of weight that is coupled to the operable members is selected by positioning the carriage along the lever arm. This adjustment also varies the height to which the subframe is lifted by the exercise stroke and hence the effort that must be exerted by the user.

Abstract: The specification discloses an exercise machine which provides for the use of a single set of weights from multiple stations. In a preferred embodiment, a set of weights is lifted by independent cable systems each including a lifter guidably supported on a frame for liftably engaging the weight independent of the other lifters in response to application of a force on the cable by the user.

Abstract: Disclosed is a physical exercising machine including a high pulley station, a scissor grip, a thigh & knee machine and a rowing machine respectively mounted on a machine frame at the front, and a low pulley station and a stepping machine respectively mounted on the machine frame at the back, wherein the rowing machine is reciprocated as the thigh & knee machine is operated; the low pulley station is releasably coupled to the high pulley station in using the same counter balance mechanism.

Abstract: An exercise dynamometer permits a patient to exercise against isodynamic, isokinetic, or isometric resistance to evaluate various musculoskeletal conditions of the patient's human spine. Sensing means are provided to determine the positioning of the patient, and to determine the angular position, velocity, and torque of the exercise movements. In a first embodiment, the patient's head, trunk, upper legs, knees, and feet are secured to a lumbar dynamometer to isolate lumbar and lower thoracic spinal rotation, flexion-extension, and/or lateral bending. During rotational exercise, the axis of movement of the dynamometer is coincident with the patient's spine. In a second embodiment, a patient's trunk and hips are secured to a neck dynamometer to restrict exercise to the cervical spine. The invention facilitates forward flexion-extension, or alternatively lateral bending of the cervical spine, about a first axis aligned with the patient's C1-C2 vertebrae and a second axis aligned with the patient's C7 vertebra.

Abstract: An exercise machine has a plurality of stations each having an operating device for performance of exercise by a user. At least the operating device is connected by a cable to a connection system which is further connected to a resistance mechanism having a lever with a pair of gas shock absorbers moveably secured to the lever along the length of the lever. A motor and screw vary the connection of the shocks to the lever.

Abstract: A universal-use knock-down weight-lifting frame with vertically and horizontally adjustable members designed to work in parallel with a second adjustment frame. A main frame has front and rear spaced opposed ends, a front substantially vertical multifunction upright disposed at the front end of the main frame, and a member disposed at the front end of the main frame for varying the vertical length of the front multifunction upright. There is a front substantially horizontal support foot at the front end of the main frame, and an element disposed at the front end of the main frame for varying the horizontal length of the front support foot. A rear vertically adjustable substantially vertical multifunction upright is disposed at the rear end of the main frame, as well as a rear substantially horizontal leg of which the horizontal length can be varied.

Abstract: An exerciser including a generally horizontal top frame having a front end, a column supporting the top frame, a movable frame mounted on the top frame and movable between the front end of the top frame and the column, the movable frame having two spaced vertical hollow frame sections and a cross frame section interconnecting lowermost ends of the vertical hollow frame sections, two push arms connected privotally to the movable frame and capable of being pivoted toward each other, and a stop rod extending frontward from the column below the top frame so as to limit movement of the movable frame toward the column. The exerciser further includes a first locking unit which is operable to prevent movement of the movable frame relative to the top frame and a second locking unit which is operable to prevent movement of the push arms relative to the movable frame.

Abstract: An exercise machine to stretch one or more muscle groups or joints of a body part, has at least one engagement member pivotally mounted on the frame to engage a body part associated with the muscle group or joint that is to be stretched and to position such part at a desired location. The engagement member is pivotally displaceable through a predetermined range of movement with respect to the frame. Movement in a first direction is effective to apply a stretching force to the associated muscle group. Movement of the engagement member in the first direction is done through a linear actuator. An angle indicator provides a readout of the position of said engagement member in the range. At any selected position in the range the engagement member can be blocked against movement in a direction opposite to the first direction and the force exerted by said body part upon the engagement member in the second direction is measured.

Abstract: An exercise method having one or more exercise members connected by a cable system to a weight, such as a variable weight stack, and each movable by a user along an exercise path to perform an exercise routine against the resisting force of the weight, and a pre-stretch adjustment feature, whereby the position of each exercise member along its exercise path at which the resisting force of the weight commences to act on the member, and hence also the portion of the exercise path over which the resisting force acts on the member, are adustable in order to vary the exercise routine performed with each exercise member.

Abstract: An exercise device has a support frame and a lever arm attached to the support frame and pivotably movable between a rest position, wherein the lever arm hangs downwardly relative to the support frame, and an extended position, wherein the lever arm is pivoted upwardly from its rest position. A range of motion (ROM) block is rigidly attached to the lever arm, and pivots with the lever arm. The orientation of the ROM block relative to the lever arm can be selectively varied.A tackle is attached to the ROM block to provide an opposing force to motion of the lever arm from the rest position to the extended position. This tackle includes two pulleys that are attached to the ROM block. The tackle also includes a substantially taut cable that extends between the pulleys, and the cable is connected to a mass.

Abstract: A torque variable exercising apparatus includes a frame, a first cable-and-pulley arrangement and an impeding mechanism. The first cable-and-pulley includes a first cable having one end fixed to the frame and a second end incorporating an operating handle. The first cable moves up and down to pass a series of fixed pulleys and a first movable pulley. The impeding mechanism includes a second cable-and pulley arrangement mounted on the frame and connected to and suspending the first movable pulley, a vertical stand and a lever arm pivotally mounted on the vertical stand and having a first end connected to the second cable-and-pulley arrangement and a second end of the lever arm carrying a weight. The operating handle can be operated to apply a force at the first end of the lever via the second cable-and-pulley arrangement.

Abstract: An exercise machine has multiple stations at each of which two or more exercises are performed in opposition to a selected amount of weight in a weight stack. A cable and pulley system connects the exercise apparatus at the exercise stations with the weight stack in such a manner that only one pull cable in the system is connected to the weight stack.

Abstract: An exercise apparatus for performing a variety of exercises, including chest and incline shoulder press exercises during which the user sits on a seat with a backrest which is adjustably secured in upright and forwardly inclined positions for supporting the user's upper body in the proper positions for these exercises. The exercises all utilize the same weight stack or other device for resisting the exercise motions of the user. The apparatus has a plurality of exercise members mounted on a frame for different prescribed exercise movements by the user, a resisting force producing arrangement, and a cable for selectively connecting the resisting force to the different exercise members. The cable is guided and supported by pulleys, one of which is adjustable from one position to another to accommodate the different exercises.