Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Patent
1992-05-15
1994-10-18
Bahr, Robert
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing weight resistance
482100, 482137, A63B 21062
Patent
active
053563603
ABSTRACT:
An adjustable lever arm--variable resistance cam assembly employing a cam for producing therefrom a variable resistance force when a constant resistance force is applied thereto and in which the lever arm may be initially positioned at a range of angular positions without thereby affecting the variable resistance force produced by the cam at each particular angular position of the lever arm upon rotation thereof. The adjustable lever arm--variable resistance cam assembly may be employed in a weight lifting machine or device of the type having a rotating lever arm for application of weight lifting force by the user. The assembly allows the user to angularly adjust the initial position of the lever arm in relation to the axis of the cam and, nevertheless, maintain the cam in appropriate relation with the constant resistance force. The variable resistance force produced by the cam will then not vary with respect to positioning of the lever arm as rotated during exercise.
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Bahr Robert
Titan Exercise Equipment, Inc.
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