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4152617 |
Selectively variable torque magnetic brake
A magnetic clutch or drag brake for a rotary shaft which is particularly adapted for use as a web or sheet tensioning control is disclosed. The device includes a first clutch element providing a...
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4138106 |
Weight training apparatus
A weight training apparatus, which normally includes a pair of cables and a bar interconnecting the cables. The cables are wound preferably on a reel, and a brake device controls the reel to...
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4084810 |
Energy absorbing unit for physical exercising devices
An energy absorbing unit for physical exercising devices is arranged as an asynchronous motor the stator of which has windings to be connected to an AC supply and cooperates with the rotor of...
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4063726 |
Electronically controlled hydraulic exercising system
An electronically controlled hydraulic exercising system employing a fluid actuated piston which is controlled by a device which automatically and selectively proportions in varying amounts the...
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3989240 |
Electrically timed exercising device
A power exerciser having a frame, variable power motor, strap, strap grips and sequencing control. The motor causes horizontal pull and vertical lift body movements through use of the straps. The...
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3845756 |
ERGOMETER DEVICE
An ergometer device consists of an exercise machine such as a pedalling device, braking means to control the force exerted by the operator upon the pedalling device, and control means to control...
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3831942 |
PORTABLE EXERCISE MACHINE
A light weight portable exercise machine is provided for maintaining cardiovascular tone and for rehabilitation of hospital patients confined to bed. Portability and versatility of the machine are...
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3767195 |
PROGRAMMED BICYCLE EXERCISER
Exercise apparatus in the form of a stationary bicycle in which the torque load on the pedals is adjusted through a predetermined cycle of operation by a servo motor applying a friction load to a...
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3731922 |
METHOD OF ISOTONIC EXERCISE
Method of isotonic exercise involving the lifting of a load responsive arm to approximately the waist position and holding it there while varying loads are applied to the load responsive arm.
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3573865 |
WEIGHT SHIFTING MECHANISM FOR EXERCISING
The user pushes against an arcuately movable pedal, the pedal being connected through a mechanism to pivot a weighted beam about a fixed fulcrum. A weight is guided for movement along the beam and...
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3572699 |
BICYCLE EXERCISER WITH INTERCONNECTED HAND AND FOOT PEDALS
A stationary exercise device is modified to record cyclic positional information of the hand and foot operated pedals against a variable load which load level is also recorded to indicate brain...
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3465592 |
ISOKINETIC EXERCISE PROCESS AND APPARATUS
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3323366 |
Muscular exercising and evaluation apparatus
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3588101 |
Title is not available
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