Exercise devices – Having specific electrical feature – Equipment control
Patent
1993-07-15
1995-08-01
Cheng, Joe H.
Exercise devices
Having specific electrical feature
Equipment control
482 53, 482 80, 482113, 482900, 7337909, 601 35, A63B 2400
Patent
active
054375878
ABSTRACT:
A recumbent bilateral reciprocal isokinetic leg exerciser wherein first and second reciprocating members are slidingly coupled to a linear track so that they move with linear bilateral reciprocal motion. Both reciprocating members are coupled to associated hydraulic cylinders so that hydraulic fluid is drawn into or forced out of the hydraulic cylinders as the reciprocating members move along the track. A valve assembly is coupled to the hydraulic cylinders for controlling fluid flow into and out of the hydraulic cylinders so that the reciprocating members move isokinetically. The valve assembly may be set for simultaneous movement of the first and second reciprocating members or for movement of one reciprocating member by itself. To ensure accurate measurement of patient effort, a strain gauge assembly is disposed on each reciprocating member for detecting deformation of the reciprocating member along multiple axes. The information obtained by the strain gauge assembly then may be used to calculate the actual forces being applied in a desired direction.
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"Nova Mle" Nova Biodesign Corporation 2 pages of description.
Bond Malcolm L.
Bouwman John
Dempster Philip T.
Mangseth Glen R.
Prince Jeffrey T.
Cheng Joe H.
Loredan Biomedical
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