Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Patent
1995-03-09
1997-04-01
Apley, Richard J.
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing weight resistance
482100, 482134, 482137, 482142, 482146, 482908, A63B 21062, A63B 2304
Patent
active
056161077
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.
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Apley Richard J.
CYBEX International, Inc.
Hwang Victor K.
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