Undertaking
Patent
1981-06-08
1982-11-09
Pinkham, Richard C.
Undertaking
272DIG4, 272134, A63B 2106
Patent
active
043581080
ABSTRACT:
A combined exercise apparatus has a frame, a structure for locating at least one knee of a user relative to the frame when the user is in either a sitting or a standing position, and a mechanism for engaging and resisting pivotal movement of the lower leg of the user. The engaging and resisting means includes at least one pivot arm engageable with the lower leg of the user and suspended for pivotal movement about a machine axis parallel to the joint axis of the knee, the location of the machine axis being adjustable to substantially coincide with the joint axis of the user's knee when the user is in either the sitting or the standing position.
REFERENCES:
patent: 4256302 (1981-03-01), Keiser et al.
patent: 4322071 (1982-03-01), Lambert et al.
Browne William R.
Paramount Health Equipment Corporation
Pinkham Richard C.
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