Abstract: An aerobic conditioning apparatus for use by a trainee in simultaneously exercising the upper and lower body in a smooth shock-free manner substantially simulating movement of the arms and legs during swimming. The apparatus includes a supporting frame, first and second foot supporting assemblies mounted on the supporting frame for controlling the movement of the right and left feet of the user respectively to an oscillatory motion along first and second paths between first forward positions and a second rearward position, first and second hand engaging assemblies mounted on the supporting frame for controlling the movement of the right and left hands of the user respectively to an oscillatory motion along paths between a first upraised position and a second lowered position, and synchronizing mechanisms mounted on the supporting frame for causing synchronous movement of the foot engaging assemblies and the hand engaging assemblies.

Abstract: A portable and collapsible pet litter enclosure is provided with a collapsible internal framework supporting a flexible cover. A panel at one end of the enclosure is detachably secured to the adjacent panels by slide fasteners and hook and loop fasteners to permit the insertion and removal of the frame and the container holding pet litter. A side panel of the enclosure is provided with an aperture and a cover flap substantially larger than the aperture is secured along three sides to the side panel with the fourth side having an elastic to hold the edge of the flap against the side panel. The ends of the elastic may be detachably secured to provide a non-elasticized opening during training of the pet.

Abstract: Apparatus for training athletes, especially football lineman, includes a frame having a pair of guide rails extending between front and rear upright posts. The guide rails are arranged parallel to each other and have generally horizontal sections and inclined sections. The training apparatus also includes a weight assembly supported by the frame for movement on the guide rails. In using the training apparatus, an athlete moves upwardly and forwardly from a crouched position between the front upright posts of the frame and pushes the weight assembly along the horizontal sections of the guide rails and then up the inclined sections of the guide rails. The training apparatus is particularly effective in developing and strengthening the upper body muscles of athletes.

Abstract: This device relates to an ankle rehabilitation and ankle fitness devices. The device is equipped with apparatus to adjust ankle position and varying amount of resistance which enables the user to progressively strengthen the ankle. The device also functions in a manner to enable the user to isolate and exercise the plantar and dorsal muscle groups of the lower leg and ankle joint, separately.

Abstract: The present invention provides an exercise device comprising a frame; a rotatable axle on the frame; a crank for rotating the axle; and a counterforce assembly wheel connected to the axle for producing a static counterforce to rotation of the axle. The counterweight assembly includes a tank for reservoir and valves for varying the predetermined fluid level in the tank, and counterforce assembly wheel drivingly connected to the axle and rotatable about a non-vertical axis. The wheels have a plurality of troughs spaced uniformly around the axis. The troughs are positioned to pass through the tank as the wheel is rotatably driven by the crank, receive at least a portion of fluid in the tank, carry the received fluid above the predetermined fluid level and discharge the received fluid at a position above the predetermined fluid level.

Abstract: A lift/tow assistance device to relieve the lower arm in sporting activities, particularly when strenuous, using equipments, which the user holds on particularly in equipment gymnastics, featuring a cuff for placing around the wrist, connected by a strap with a lock to a hook, which can be hung into the sporting equipment. In order to improve and further develop such a lift/tow assistance device so that it is not only easier to use but also ensure that it provides the user with optimum stress relief the strap lock is directly secured to the hook and is provided with a clamp lever which clamps the strap to a clamp plate of the lock when the strap is subjected to tension.

Abstract: An arm and wrist exercise apparatus (10) comprising a pair of handle units (11) and a pair of intertwined spring units (12); wherein, each of the spring units (12) is operatively engaged to the pair of handle units (11).

Abstract: A flotation device worn on the ankle and a related method for its use. The device is a sleeve of resilient, cellular material providing only small buoyancy, but because the device is located at a relatively great distance from the body's center of buoyancy, it has the effect of maintaining the swimmer's legs in a near-horizontal floating position, even if the person does not float naturally in this position. Use of the device greatly facilitates the teaching of floating and survival techniques to beginning swimmers, and various swimming strokes to all swimmers.

Abstract: An apparatus is disclosed for exercising the arm muscles and upper torso muscles of a user. The apparatus includes a frame and a weighted arm is pivotally connected to the frame with the weighted arm being positioned such that the user is able to lift with the user's arms the weighted arm. A user operated release selectively changes the weight of the weighted arm such that in use of the apparatus when the user has repeatedly lifted the weighted arm a predetermined number of times, the user operates the release to change the weight to be lifted so that the optimum stress is applied to the muscles being exercised.

Abstract: A structure is provided for indoor skiing on artificially made snow. The structure is thermally insulated and contains one or more support towers about which serpentine configured ski ramps are secured to provide relatively long ski run descents for relatively little lateral travel. For snow-making purposes, a small portion of the ski ramp is enclosed with a thermally insulated cubical module having a top and four sides but no floor. The module is track-mounted and self-propelled for movement along the ski ramp and means are provided to reduce the temperature within the module to snow-making temperature. Self-propelled snow-making machines are placed within the module to move down the ski ramp at the same rate of speed as the module. Skiing conditions encountered on outdoor ski slopes are simulated on the indoor ski ramps.

Abstract: A weight adjustable auxiliary base unit for a weight lifting device is attached to the uppermost weight plate of the weight lifting device. The base unit is generally a compartmentalized box sized to span the width of the weight plates. The box compartments are sized to hold weight bars of identical lengths but of different weights. A self fastening strap is mounted on the box and straps the box to the uppermost of the weight plates.

Abstract: A variable resistance underwater exercising device for working the muscles of the upper body in a cool environment to stimulate generation of body heat. The device includes a support structure, a pair of support arms adjustably mounted on the support structure and a pair of disc assemblies adjustably mounted on the support structure and a pair of disc assemblies adjustably mounted on the support arms. Each of the disc assemblies includes a flat disc, a handle for manually rotating the disc thereby providing exercise to the upper body muscles, a plurality of flat blades carried by the disc and rotatable therewith to provide resistance to rotation in the water, a shroud assembly surrounding the blades and a gearing assembly for collectively varying the angular orientation of the blades with respect to the disc such that resistance of the water against the blades is adjustable to provide the desired drag on the discs as they are manually rotated under water by the user.

Abstract: A knee exercising device is described. It provides for the manual control of pressure to the lower leg in selectively flexing either the right or left leg knee joint. The device includes a plate member interposed between the users buttocks and a chair sear on which the user is sitting. The leg of the knee being exercised is held in an elevated position by a pad between the thigh of that leg and the chair seat. A lever is pivotally mounted, intermediate its length, on the plate member. The lever swings in a vertical plane between the users legs about an axis generally vertically aligned with and parallel to the axis of the knee joint being exercised. A leg engaging pad is removably mounted on the lower end portion of the lever. The removable mounting enables the pad to be selectively positioned to engage the front, shin portion or rear calf portion or either leg, at an area adjacent to and spaced above the user's foot.

Abstract: An exercise machine that allows essentially unlimited number of lifting exercises to be performed that operates like free weights but with the safety of a universal gym including a single stack of weights connected through a pulley system extending vertically upwardly to a frame and then downwardly along vertical frame members from point locations to connect to two separate connection points on an exercise grasping device all in a single plane wherein movement of either connecting point, lift the weight and an adjustable weight supply device comprising a vertical rod and tube centrally positioned in a vertical hole through the weight stack to allow both the choice of number of weights as well as the height at which the weight is first lifted.

Abstract: Body-building apparatus includes an upstanding frame, a chin bar adjustably mounted on arms extending forwardly from the frame adjacent to the top of the frame, a pair of dip bars each including a rear portion, and a front portion extending angularly from the rear portion, and adjustably mounted on the frame with the front portions projecting forwardly therefrom, a forward weight-cable pulley assembly adjustably mounted on elongate support means extending forwardly from the frame adjacent to the bottom thereof, equipment-mounting brackets disposed along each of a pair of frame uprights, each bracket including a retainer and a pair of legs extending laterally from the retainer and rearwardly with respect to the frame in vertically spaced-apart relation to each other, the legs of each bracket being reciprocally movable on an upright for corresponding movement of the bracket between a forwardly extending equipment-mounting position and a rearwardly retracted collapsed position, and stop structure associated with

Abstract: Exercise apparatus for promoting flexibility, strength, and an efficient cardiovascular system at modest cost and without the stress appurtenant to such common forms of exercise as jogging, running, and conventional aerobics. The apparatus includes a tank or other receptacle designed to be filled with an aqueous fluid providing resistance to movements by the user and an exercise device in and attached to the tank which the user can employ to generate the appropriate movements.

Abstract: A multifunction physical fitness machine has two similar generally rectangular frames standing upright in laterally spaced apart relation to define the narrow ends of a rectangular floor area for usually one but possibly three exercising persons. Each frame contains a stack of weights which are constrained to move vertically only and there is a pulley and cable system for an exerciser to lift the weights. A third rectangular frame stands upright on a laterally and vertically extending plane that is coincident with the long rear side of said rectangular area. The third frame is fixed midway between the two end frames and these frames have stacks of weights and pulley and cable systems for an exerciser to lift the weights. Structural members tie all three frames together at their upper ends.

Abstract: Collars are provided for yieldingly restraining weights from leaving the ends of a barbell. Each collar surrounds the barbell shaft and contains a set of grooves which receive snugly O-rings made of resilient material. In the unstressed condition of each O-ring, the interior diameter is less than that of the barbell shaft. Preferably, the grooves have a generally square or trapezoidal cross-section, with a slightly widened mouth. A part of the collar can be gripped with the fingers to remove friction-platelock collars from the barbell.

Abstract: Exercising apparatus (10) including a seat (21) on which a user (U) is seated for exercising, a rear tensioning device (24) positioned behind the seat (21) and mounted for movement between opposed sides of the user (U), and a front tensioning device (28) in front of the seat (21) mounted for movement on a pivotally mounted leg (32) between opposite sides of the user (U). Flexible cables (26, 30) extend from the tensioning devices (24, 28) and are connected to a cuff (22) about the ankle of the user (U). The force exerted through the flexible cables (26, 30) may be adjusted by manual setting of a rotatable knob (102) on the tensioning devices (24, 28) which increases the resistance to unwinding of the cable (26, 30) from its associated drum (77) of the respective tensioning device (24, 28).

Abstract: This exercise device is designed to develop the leg muscles of a person through the employment of weights. Primarily, it includes a U-shaped bar for fitting around the waist of the user, and a weight support sleeve is pivotally received on the legs of the U-shaped bar. The device further includes pad portions for the hips of the user, pads for the arms of the user, handle grips, and also a support stand for placement of the device when not in use.