Progressive resistance exercise device

Details Progressive resistance exercise device Progressive resistance exercise device

1987-01-22

1988-08-23

Apley, Richard J.

Undertaking

272134, 272DIG5, 272DIG6, A63B 2124

Patent

active

047656131

ABSTRACT:
A resistance mechanism for exercise devices which progressively varies resistance applied to a lifting mechanism in only positive resistance directions, while reducing the resistance to substantially zero if the lifting mechanism is moved in a negative resistance direction.

REFERENCES:
patent: 3395698 (1968-08-01), Morehouse
patent: 3767195 (1973-10-01), Dimick
patent: 3869121 (1975-03-01), Flavell
patent: 4235437 (1980-11-01), Ruis et al.
patent: 4261562 (1981-04-01), Flavell
patent: 4354676 (1982-10-01), Ariel
patent: 4518163 (1985-05-01), Bruder
patent: 4544154 (1985-10-01), Ariel
patent: 4569518 (1986-02-01), Fulks
patent: 4620703 (1986-11-01), Greenhut

Affiliated with

Also associated with

Rating

Progressive resistance exercise device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Progressive resistance exercise device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Progressive resistance exercise device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-832317