Matches 151 - 164 out of 164 < 1 2 3 4
Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
3465592 ISOKINETIC EXERCISE PROCESS AND APPARATUS  
3323366 Muscular exercising and evaluation apparatus  
3588101 Title is not available  
Matches 151 - 164 out of 164 < 1 2 3 4