Abstract: An exercise apparatus has a support frame and a bench press assembly rotatably mounted on the support frame. The bench press assembly includes a yoke having a central portion pivotally linked to the frame for swinging movement about a first pivot axis, and opposite side portions, a biassing load linked to the yoke for resisting movement about the first axis, and a pair of handle arms each pivotally connected to a respective one of the yoke side portions for independent articulation. Each handle arm has a handle at each end and is connected to the yoke at a location intermediate the ends of the handle arm.

Abstract: An exercise machine has a pair of exercise mechanisms pivotally coupled to the frame of the machine for use by an operator in performing a biceps curl exercise. Each such mechanism includes an exercise arm coupled to the frame for rotation about two spaced-apart, generally horizontal axes. One axis is fixed with respect to the frame, while the second axis is rotates about the first axis. A linkage member pivotally coupled to both the frame and the exercise arm connects the two axes of rotation. An additional linkage member is connected between the exercise arm and the frame. Exercise resistance is provided by weights, although other sources of exercise resistance may be used. As the operator applies an exercise force to the exercise arms, the arms rotate about both the first and second axes, the relative movement about the two axes being coordinated by the linkage members.

Abstract: A mechanism applies exercise resistance to a rotating member in both directions of rotation without a significant "dead zone" surrounding the neutral position. A cam is rotatably mounted to the frame of an exercise machine. A flexible member, which may be a belt, cable, chain or the like, is attached to a peripheral surface of the cam and is loaded by the exercise weights or other source of exercise resistance. The flexible member is guided around a pulley mounted on an arm that is pivotally attached to the cam so as to maintain the flexible member in close proximity to the peripheral surface of the cam. A pair of stops act on the arm to engage the arm for rotation with the cam in one direction and to prevent rotation of the arm with the cam in the opposite direction.

Abstract: An exercise machine for exercising the muscles of the front of the lower leg. The exercise machine includes a frame that supports a seat and a pivot shaft such that a user seated on the seat can rest his heels on the pivot shaft. An exercise arm is fixedly attached to the pivot shaft such that pivoting of the exercise arm causes rotation of the pivot shaft. An exercise bar which is parallel to the pivot shaft is attached to the exercise arm, and is spaced from the pivot shaft such that the user can slide the tops of his feet under the exercise bar with his heels resting on the pivot shaft. A cable and pulley system connect the pivot shaft to a stack of weights to thereby provide resistance to the pivoting of the foot about the heels. A hand lever linked to the pivot shaft raises the arm to allow the user to more easily position the tops of the feet under the bar.

Abstract: A multiexercise weight lifting machine which features in its most basic embodiments a gearbox capable of converting the torque input through a first axle from a source of resistance (such as a weight stack) into a greater torque output at a second axle to which is connected a user interface (such as a handle); which gearbox is slidably mounted on a linear member such that the gearbox can be moved to different positions along the length of the linear member to allow different types of exercises. In its preferred embodiments it also features means for reversing the torque output at the second axle and user interface. Its numerous functions and benefits may also be supplemented by addition of a weight bench, provision of means for changing the gear ratio of the gearbox, and other features.

Abstract: A support arm extends from the press arm toward the frame. A sleeve is slidably mounted on the support arm to contact the frame in the rest position. A cable and pulley system, including a pulley mounted to the sleeve, links the press arm to the resistance. Adjustment of the sleeve along the support arm adjusts the rest position of the press arm without slackening the cable.

Abstract: A weight lifting exercise machine has an adjustable seat supporting arm assembly to permit the machine to be used by handicapped users in a wheelchair as well as non-handicapped users. In a first condition, an extendible support arm is secured in a seat-supporting position projecting forwardly from an upright frame member carrying a back rest so as to support a seat pad in an appropriate position relative to the back rest for use by a seated, non-handicapped user. In a second condition, the seat pad is removed from the arm and the arm is retracted rearwardly to provide a space for positioning a wheelchair adjacent the upright member with a user in an equivalent position to a non-handicapped user for access to the exercise equipment.

Abstract: A kayak exercise simulator for allowing a user to simulate the movements employed while rowing with a double bladed oar. The kayak exercise simulator comprises a base member having a platform for sitting upon, and a pivot rod having an upper pivot rod end and a lower pivot rod end, extending upward from the platform. A rowing arm having opposite ends and a center located between the opposite ends is pivotally connected at the center to the upper pivot rod end of the pivot rod. The pivotal connection permits a multitude of horizontal, vertical and circular kayak-rowing motions to be simulated upon the user sitting upon the platform, placing a leg on each opposite side of the pivot bar and grasping an end of the rowing arm with each hand. Detachable weights may be secured to the ends of the rowing arm to vary the amount of force needed to accomplish the simulated rowing exercises.

Abstract: An exercise machine has a pair of exercise arms pivotally coupled to the frame for use by the operator in performing a triceps press exercise. The exercise arms are coupled to the frame for rotation about two spaced-apart, generally horizontal axes. One axis is fixed with respect to the frame, while the second axis is fixed with respect to the exercise arms. A linkage member pivotally coupled to both the frame and the exercise arms connects the two axes of rotation. Exercise resistance is provided by weights, although other sources of exercise resistance may be used. The selected exercise resistance is transmitted by a flexible belt and pulley system to a cam attached to a cross member connecting the two exercise arms. A second belt is attached between the cam and the frame to control the movement of the cam within a vertical plane.

Abstract: Taught herein is a strengthening device adaptable for the front and back side of the thighs comprising a solid or rigid frame, a weight set, connected with a swinging arm, the free end of which is provided with an action rest, and a seat which is freely movable forward and backward with respect to the swinging arm. An exercising person sits in the seat and kicks the swinging arm forward or backward, depending on the version of operation, against the tension provide by the force of gravity on the weight set as it is being lifted upward by a cable connect to the swinging arm. The sliding seat reduces negative reaction forces on the exerciser, and obviates the need for hand grips or straps.

Abstract: An exercise apparatus having a support frame, an exercise resistance device such as a weight stack, and a linkage such as a cable and pulley linkage extending from the weight stack to various exercise stations, has a lever arm pivotally mounted on the frame for rotation about a first horizontal pivot axis into any one of a plurality of selected orientations relative to the frame, and a locking device for locking the lever arm in the desired orientation. A cable linked to the exercise resistance extends around a first pulley attached to the arm for rotation about a second horizontal axis spaced forwardly from the first and a second pulley at the end of the arm on the lever arm and has a connector at its free end for connecting the cable to a selected exercise device or to a tie-off point. Adjusting the orientation of the lever arm raises and lowers the point of connection to the exercise resistance or tie-off, and allows adjustment for different types of exercises.

Abstract: Method and apparatus for testing the muscle strength of a subject wherein both static and dynamic strength tests are conducted on the subject during which forces exerted by the muscles are measured by devices which are connected to a computer and a display screen for displaying the strength of the muscles at different positions of a subject's body part. In the dynamic strength test, the subject moves a movement arm by exerting the muscles to be tested. The movement arm is connected to a resistance weight to oppose movement by the subject. In the static strength test, the movement arm is fixed in position and the subject exerts a body part against the movement arm upon exertion of the muscles to be tested. Force and angle measuring devices are connected to the movement arm and the computer for enabling the muscle strength to be displayed in terms of torque at various angular positions of the body part.

Abstract: A multi-station exercise machine in which each of the exercise stations is interconnected with a weight stack using a reeving system having corner frame with right and left wings at right angles to one another. High and low pull cables in the reeving system extend from the corner frame. The wings have butterfly and press stations at their outer end. The press station connects to the reeving system via a horizontal extension member which turns responsive to swinging of a press arm. An adjustment linkage permits the starting position of the press arm to be varied by operation of a lever at the press station. An adjustable bench with a leg exercising mechanism is optionally used at the press station as only a bench, or is used in a diagonal position at which the leg exercising mechanism is connected to the low pull cable.

Abstract: An exercise machine or apparatus having a movement arm to be moved upon exertion of a body part against a resistance including a weight that pivots about an axis as the movement arm is moved by the exerciser. To change the resistive force imposed by the weight, the weight is moved relative to its pivotal axis to thereby increase or decrease the effective resistive force. The movement arm is operatively connected to the resistance by a cam connected to the movement arm and engaged with a follower which in turn is connected to the weight to pivot the weight about its pivotal axis. The cam is operatively connected to the movement arm by a strain gauge and a releasable lock mechanism.

Abstract: A device for training hand and finger muscles including a hand engaging element, a fixed weight and a mechanism for moving the weight in response to movement of a finger. The moving mechanism may include a rope connected to the weight and the hand engaging element, the weight being freely suspended from the rope. This device allows the resistance presented to fingers to be exercised to be varied in exact and reproducible amounts which are in an appropriate range for the fingers. The device also allows many positions of the fingers, both along and among the fingers, so that the exercises may be tailored for the individual and the task for which the fingers are being trained.

Abstract: In a weight lifting exercise apparatus, an adjustable leg exercise station is provided which allows both leg extensions and leg curls to be performed in a sitting position. A leg exercise arm carrying leg engaging roller pads is pivotally mounted on a seat supporting member on the support frame of the apparatus, and is linked to an exercise resistance such as a weight stack. A second roller pad assembly is pivotally mounted on the seat supporting member adjacent the leg exercise arm, and is movable between a down position engaging behind a user's knees for performing leg extension exercises, and a raised position resting on top of the user's thighs when performing leg curls or pull down exercises.

Abstract: A range limiting device for use in an exercise machine having a cam and an input arm fixed to a shaft, wherein the shaft is pivotally mounted to a frame. The range limiting device includes a cam arm pivotally mounted to the cam arm so as to maintain a tether substantially tangential to the outer perimeter of the cam. A detent pin mounted to the cam arm selectively locks the orientation of the cam arm with respect to the cam. A stop cam is pivotally mounted to the frame coaxial with the shaft and includes a stop member positioned to interfere with the rotation of the input arm. The orientation of the stop cam is locked by a detent pin mounted to the frame.

Abstract: An exercise machine (10-10l) is provided having a platform (12-12l) on which a user (14-14l) is supported in a reclining position with the weight of the user (14-14G) being utilized as a resistance which may be selectively varied to the various exercises which may be performed on the exercise apparatus (10-10l). A lever (20-20l) is pivotally connected (30-32l) to the platform (12-12l) with the lever being actuated by the user for raising one end of the platform (12-12l) with respect to a pivot point with resistance to such raising being varied by the pivotal mounting of the lever (20-20l) on the platform (12-12l). Two of the various embodiments (FIGS. 13-16) include a base support (41F, 41G) having a rail (42F, 42G) on which a lever (20F, 20G) has a roller (47F, 47G) mounted for riding movement thereon and pivotally connected (32F, 32G) to a lower leg (62F, 62G) for pivotal movement. Other embodiments (FIGS.

Abstract: A leg exercise equipment is disclosed, which includes a base plate, a supporting frame foldably mounted to the base plate, and a crank mechanism. The crank mechanism includes a swinging arm, of which one end is connected with a hydraulic cylinder through a shaft. The other end of the hydraulic cylinder is connected with a connecting pin which is fixedly fastened to the supporting frame. A leg holder is mounted on one end of the swinging arm. When the user's leg exerts force to the leg holder, the force will be transmitted to the hydraulic cylinder to drive the same to move back and forth so as to cause the leg muscle and hip muscle to be exercised evenly.

Abstract: An exercise apparatus has a support frame and a bench press assembly rotatably mounted on the support frame. The bench press assembly includes a yoke having a central portion pivotally linked to the frame for swinging movement about a first pivot axis, and opposite side portions, a biassing load linked to the yoke for resisting movement about the first axis, and a pair of handle arms each pivotally connected to a respective one of the yoke side portions for independent articulation. Each handle arm has a handle at each end and is connected to the yoke at a location intermediate the ends of the handle arm.

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: Apparatus for performing weight resistance exercise via manual rotation, the apparatus comprising: a rotatable member mounted on an axle, the axle being manually engageable for application of manual force to rotate the rotatable member; a pair of cable stops each connected to an end of a respective cable which is interconnected to a weight, the weight through the cable holding the stops within a respective mounting aperture; the rotatable member having a pair of retaining members, each retaining member receiving and retaining a respective stop member upon rotation of the rotatable member; the cable being interconnected to the weight such that rotation of the rotatable member is resisted by the weight through the cable upon application of manual rotating force to the axle.

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 weight training apparatus is particularly designed to exercise the lower limbs, and primarily intended to improve a track athlete's performance from the starting blocks. The apparatus includes independent, adjustable sliding foot supports that are coupled to a resistance mechanism. The athlete faces a shoulder support with his or her shoulders against the support and places his or her feet on the foot supports, such that pushing on each foot mount causes force to be transferred between the shoulder support and the corresponding foot supports.

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: An apparatus and a method for performing a rear deltoid and rowing 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: An apparatus and a method for performing a leg press exercise with counterbalance are disclosed. A user support, such as seat and a backrest, is mounted to a frame. A swing, such as a four-bar linkage, is mounted to the frame distal to the user support. A footplate is mounted to the four-bar linkage. An arm with a counterweight is pivotally connected to the frame. A beam is rotatably mounted to the four-bar linkage and the arm. The footplate is adjusted relative to the seat by variation of the length of a connection between a pulley weight system and the four-bar linkage. The footplate rotates arcuately with respect to the frame during adjustment to accommodate users of various stature. The position of the counterweight changes during footplate adjustment in order to compensate for the changing effect of gravity on the footplate and the swing.

Abstract: An exercise bar for use with standard weight machines employing exercise bars. The bar is vertically hinged in the center, so that it is usable not only for pull down exercises, but also forms a vee which is compressed during pectoral exercises. The two sides of the vee are geared together, so that the vee opens and closes symmetrically, both arms being forced to move the same amount. An adjustable spring assembly attaches to the bar for selectively varying resistance for the pectoral exercises. A brace contacts the user's forearm, so that the user applies a force countering the tendency of the bar to incline responsive to being drawn downwardly. The bar is configured to include a relief in the center, so that it can be pulled down past the user's head, while avoiding interference with the user's neck. The novel exercise bar is rugged, uncomplicated, increases the number of exercises which can be performed, and can be retrofit to a standard weight machine.

Abstract: A press exercise machine allows the press arm of the machine to be adjusted to various rest positions without creating slack in the system. The machine has a frame that supports a seat and a weight stack that is mechanically coupled to a press arm by a cable. The press arm is adapted to be rotated on the frame, wherein the cable is pulled and the weight stack is lifted from a rest position. In the rest position, the press arm abuts against a sleeve which can slide along an adjustment arm that extends from the frame. The user can move the sleeve to a number of locations on the adjustment arm to vary the rest position of the press arm. The cable is coupled to a first pulley that is attached to the sleeve and a second pulley that is attached to the arm. The cable is also guided by a third pulley that is attached to the frame. The spatial relationship of the pulleys is such that the cable remains slack free for all rest positions of the press arm.

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: An apparatus and a method for performing a shoulder 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: An adductor machine including a pair of movement arms movable about a vertical axes between an open position extending laterally from the seat and a closed position extending forwardly of the seat. The movement arms are movable to the closed position by the user engaging with the inner sides of his thighs, pads respectively located on the movement arms. Movement of the movement arms is transmitted to move a resistance in the form of one or more weights in a weight stack. Such transmission is accomplished by a linkage and cam follower arrangement operatively connected between the movement arm and a weight stack pin included in the resistance weight stack. An auxiliary actuating mechanism is provided to move the movement arms between the open and closed positions independently of engaging the pads with the legs. This actuating mechanism includes a handle engageable with the cam included in the transmission to operate the cam independently of a linkage which extends between the movement arms and the cam.

Abstract: An exercise machine utilizing a Exercise Resistive Device in conjunction with a Counter Compressive Force Device. The Exercise Resistive Device applies a resistive force to the users body in such a manner that it requires that the users muscles contract in order to execute an exercise. The Counter Compressive Force Device produces a counter force that opposes compressive forces acting on the body resulting from said exercise. Frictional and other destructive internal forces upon the body are consequently reduced or eliminated.

Abstract: An exercise apparatus for exercising the adductor muscles of the legs includes an adjustment mechanism for adjusting the angular starting positions of the leg receiving assemblies. The exercise apparatus includes a base, two support legs which extend outwardly from opposite sides of the base, a seat on the base, and two leg receiving assemblies for receiving the legs of a user seated on the seat. The leg receiving assemblies are pivotably mounted to the base so that they are pivotably movable between a spread apart position and a parallel, together position. The apparatus further includes a cabled weight assembly for normally urging the leg receiving assemblies toward the spread apart position. The cabled weight assembly includes a stack of weights connectable to an apertured weight bar.

Abstract: A compact attachment for a multi-station exercise machine conveniently couples to a low pull station and therefore utilizes the weight stack or other resistance mechanism of the exercise machine. The attachment is designed for performing leg press and other lower limb exercises. The attachment has a frame on which a pair of foot pads are mounted. A seat for the operator of the attachment is suspended from the frame by a pair of parallel pivoting arms so that the seat remains in a relatively constant attitude throughout the exercise stroke. The invention may be alternatively embodied as a stand alone device utilizing free weights as a means for providing exercise resistance.

Abstract: A weight training machine has a base with an upright member secured thereto. A trolley is positioned on the upright member to move along its length. A plate is rotatably secured to the trolley to rotate relative thereto. An arm is rotatably secured and lockable in a variety of orientations relative to the plate. A cable is trained around pulleys positioned on the trolley and on the rotatable plate and connected at one end to the apparatus and at its other end to a resistance mechanism. The resistance mechanism through the cable resists rotation of the plate by the user when performing exercises. The apparatus may also include a second trolley positioned to move along the upright member with an arm extending therefrom. The cable may be further engaged around another pulley secured to the second trolley so that the resistance mechanism may resist movement of the second trolley by the user along the length of the upright member in the performance of exercises.

Abstract: A military press exercise machine for exercising the arms independently against a selected weight resistance includes a frame symmetric with respect to a midplane, a seat connected to the frame to define a declined exercise position for an exerciser, and a pair of levers with rearward ends pivotally connected to the frame on opposite sides of the midplane, above and behind the exercise position. Hubs located near the forward ends of the levers are adapted to hold weighted plates to resist upward movement of the forward ends of the levers with respect to the pivot connections. Handles located adjacent forward ends of the levers are adapted to be grasped by an exerciser in the exercise position and then raised upwardly in a military press motion against the weight of the plates. During upward movement, the handles move toward the midplane. When the arms are extended, the handles reside above the pivot connections of the levers.

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 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 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: A leg press machine has a movement arm mounted by parallel links for pivotal movement about a generally horizontal axis in opposition to one or more resistance weight stacks on opposite sides of the movement arm. The linkage is connected to a drive lever below the movement arm which in turn is connected to the bottom of a weight stack rod to raise the latter and associated weights as the movement arm is pivoted by the legs. The movement arm is stabilized by the linkage and a counterweight connected to the linkage.

Abstract: An exercising machine that has an adjustable actuator arm assembly coupled to a weight stack by a pulley/cable assembly. The actuator arm assembly includes an actuator arm that lifts the weight stack when rotated through an arc. The machine is constructed with a frame that has a vertical bar. The actuator arm is coupled to a sleeve assembly that can slide along the vertical bar, to provide a number of operating locations. The machine also has a first cable that is coupled to the actuator arm. The cable is looped around a first tension pulley, a first floating pulley and then fixed to the sleeve assembly. The first floating pulley is coupled to a second cable that loops around a second tension pulley and is attached to the weight stack. When the actuator arm is rotated, the first floating pulley is pulled in a downward direction. The movement of the first floating pulley pulls the second cable and lifts the weight stack in an upward direction.

Abstract: The exercise apparatus is for supportively aiding a patient's therapeutic upper limb movements and rehabilitation of those corresponding muscles. A skeletal frame has two exercise assemblies mounted on it. Each exercise assembly has a substantially horizontal boom, a first weight resistance assembly in depending relationship to the rearward end of said boom, a flexible connecting line extending from the first weight assembly and then along the boom to a sling for a patient's upper limb, and a depending leg to which the boom is pivotally mounted at its rearward end for pivot swinging adduction and abduction movement of the boom. An adjustable stop system is associated with the boom pivot mounting and permits step-wise setting of stop limits for the adduction and abduction pivot swinging movement of the boom. The flexible connecting line does not extend across the axis for the pivot of the boom. Color coded connecting lines for different slings and weight assemblies are used.

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: An exercise machine has a frame, a seat and a pair of articulated exercise arm assemblies. Each of the exercise arm assemblies is pivotally attached to the frame with a four bar linkage. Handles at the outer extremities of the articulated arm assemblies are gripped by the user to perform the intended exercise. The geometry of the arms and their pivot points is arranged so that the handles of the articulated assemblies follow arcuate paths which converge as the handles are moved forwardly. At a starting position for a press exercise, the handles are approximately in line with the shoulders of the user. As the handles are pushed forwardly against an exercise resistance, they converge inwardly until they are nearly touching when the user's arms are fully outstretched. The machine may also be used to perform a seated-row exercise, in which case the handles are pulled rearwardly against the exercise resistance.

Abstract: A physical fitness training apparatus includes a mainly upright module, a training arm which projects out from the main module and rotates about a horizontal pivot axis, the training arm having grips or manipulation devices for use by the person exercising, a loading arrangement, and, a flexible tie with pulleys for load and motion transfer between the training arm and the load arrangement. The physical fitness training apparatus further includes a main arm which projects out from the main module and may be adjusted at angles about the horizontal pivot axis. The main arm has a first pair of pulleys located near and over/under each other at the outer free end of the main arm. The flexible tie extends from an attachment point on the training arm between the gap between the pulleys of the first pair of pulleys. The main arm has another pair of pulleys located near and over/under each other at the same horizontal pivot axis mentioned above.

Abstract: A triceps exercise machine has a movement arm pivotable about a horizontal axis against the resistance of a weight stack. The machine includes a vertically adjustable seat, a shoulder restraint, and adjustable handgrips secured to the movement arm, all of which position the elbows of the user in general alignment with the axis of rotation of the movement arm. In the start position the arms are fully folded and positioned close to the user's sides. The user then proceeds to force the handles downwardly until the arms are fully extended. Movement of the movement arm is transmitted to the weight stack by a cam fixed to the movement arm and a cam follower which is connected to the bottom of a weight stack pin by a linkage mechanism.

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 machine for performing an incline press includes a frame, a declined seat connected to the frame along a vertical midplane and two independently maneuverable levers with upper rearward ends pivotally connected to the frame above the seat, on opposite sides of the midplane. The lower, forward ends of the levers are adapted to hold removable weights. Handles also extend inwardly, rearwardly and upwardly from the lower ends of the levers. Each handle is adapted to be grasped by a person supported on the seat and upwardly extended and adducted in an incline press motion against the held weights to move the respective lever along a vertical plane that converges inwardly with respect to the vertical midplane. This incline press exercise machine accommodates the natural musculoskeletal movements of the arms and shoulders of a person, thereby maximizing muscular benefit while minimizing joint stress.