A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
74/266, 273/77
A63B 23/02 (2006.01) A61H 1/02 (2006.01) F16H 37/02 (2006.01)
Patent
CA 2036270
- 14 - ABSTRACT OF THE DISCLOSURE Back exercise apparatus has a seat and a footrest, with a first backrest pivotable about a horizontal first axis for biasing the upper portion of a person on the seat about the first axis, and a second backrest pivotable about a vertical second axis for biasing the upper portion of the person about the second axis. A gearbox selectively connects a drive to either backrest and has an input shaft connected to the drive, a pair of output shafts parallel to the input shaft and a selector for connecting the input shaft to a selected one of the output shafts for rotating the selected output shaft in either direction of rotation.
Mcarthur James A.
Short David C.
Baltimore Therapeutic Equipment Company
Fetherstonhaugh & Co.
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