Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1992-11-25
1993-07-27
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
482 80, A63B 2204
Patent
active
052306755
ABSTRACT:
A gymnastic pedalling apparatus comprising a base frame, a front board fastened to the base frame, a base board fastened to the base frame and situated behind the front board, two long bars pivoted coaxially to the front board, two pedals fastened respectively to free ends of the two long bars, two hydraulic cylinders pivoted to base frame and the two long bars, a lifting board pivoted to the base board, a threaded rod having one end fastened to the lifting board and having another end penetrating through the top of the base board, a nut screwed onto the threaded rod in a manner that the nut remains over the top of the base board for adjusting the height of the lifting board, a sleeve fastened horizontally at the bottom portion of the lifting board, a rotating shaft fitted into the sleeve, a long support arm and a short support arm fastened respectively to the rotating shaft, and two rollers pivoted respectively to the free ends of the two support arms and situated respectively under the two long bars.
REFERENCES:
patent: 3316898 (1967-05-01), Brown
patent: 5076572 (1991-12-01), Wang
Crow Stephen R.
Vichy Industrial Co., Ltd.
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