Undertaking
Patent
1988-07-20
1990-05-01
Crow, Stephen R.
Undertaking
272136, A63B 2102, A63B 6906
Patent
active
049212427
ABSTRACT:
An exercise machine such as a rowing machine has a resistance system which consists of a fluid cylinder interconnected at one end to the movable block of a block and tackle which is selected to have a desired mechanical advantage to provide the desired resistance to movement of machine operation means such as the handle of the rowing machine. Adjustment structure provides for variable or adjustable resistance to movement of the block and tackle structure.
REFERENCES:
patent: 1866868 (1932-07-01), Thompson et al.
patent: 2128332 (1938-08-01), Schollmeyer
patent: 2131570 (1938-09-01), Riley
patent: 4521013 (1985-06-01), Dofel
patent: 4537396 (1985-08-01), Hooper
patent: 4645197 (1987-02-01), McFee
patent: 4645204 (1987-02-01), Berger
patent: 4685670 (1987-08-01), Zinkin
patent: 4736944 (1988-04-01), Johnson
patent: 4796881 (1989-01-01), Watterson
Crow Stephen R.
Weslo, Inc.
LandOfFree
Exercise apparatus resistance system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Exercise apparatus resistance system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Exercise apparatus resistance system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-825281