Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Reexamination Certificate
2006-06-30
2009-10-27
Mathew, Fenn C (Department: 3764)
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing weight resistance
C482S099000, C482S135000
Reexamination Certificate
active
07608022
ABSTRACT:
An exercise machine composed of a frame, a first four bar linkage system, a second four bar linkage system, and a means for transferring an incident force from the legs of a user is disclosed. The first four bar linkage system is operably mounted on the frame and operably connects the transferring means to the frame to allow for back and forth movement of the transferring means along a path of travel about an instantaneously changing axis of rotation. The second four bar linkage system operably engages the first four bar linkage system. Either or both of the first four bar linkage system and the second four bar linkage system are operably connected to a resistance means, whereby the second four bar linkage system operates in conjunction with the first four bar linkage system and the resistance means to create a mechanical disadvantage to the user.
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Lull Andrew P.
Webb Gregory P.
Dorsey & Whitney LLP
Mathew Fenn C
Nautilus, Inc.
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