Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Patent
1995-02-14
1997-05-13
Apley, Richard J.
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing weight resistance
482 98, 482134, 482137, A63B 2108, A63B 2304
Patent
active
056287151
ABSTRACT:
An apparatus and a method for performing a squat press exercise are disclosed. A user support, such as a seat and a backrest, is mounted to a frame. A four-bar linkage is mounted to the frame distal to the user support. A footplate is mounted to the four-bar linkage. A lever is mounted to the four-bar linkage and is adapted to support removable weight plates. As the user presses the footplate, the four-bar linkage rotates, controlling the orientation of the footplate such that the footplate does not rotate with respect to the user support (and, thus, the user). The lever also rotates, causing the weight plates to lift in an arcuate path, thereby providing an increasing resistance to the movement of the footplate during the concentric portion of the exercise. In accord with another aspect of the invention, a method is provided for exercising the legs and lower torso. A weight resistance is selected. A user is supported on a user support and places her feet on a footplate. The user then pushes her feet against the footplate, displacing the footplate and causing a four-bar linkage to rotate. A lever connected to the four-bar linkage is caused to rotate, thereby lifting a weight attached to the lever through an arcuate path and presenting an increasing resistance to the movement of the footplate during the concentric portion of the exercise.
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Apley Richard J.
CYBEX International, Inc.
Hwang Victor K.
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