Alternate walker having extensible/contractible front and rear l

Details Alternate walker having extensible/contractible front and rear l Alternate walker having extensible/contractible front and rear l

1987-07-28

1988-10-18

Hafer, Robert A.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Walker type

272 70, 297 5, A61H 300

Patent

active

047779730

ABSTRACT:
Disclosed is an alternate walker having extensible/contractible front and rear legs which comprises: a pair of reverse U-shaped frame pipes connected to each other in parallel through cross bar means; a pair of front legs slidably partly inserted into front lower ends of the pair of frame pipes respectively; a pair of rear legs slidably partly inserted into rear lower ends of the pair of frame pipes respectively; a train of serially connected substantially spherical bodies slidably inserted within each of the pair of frame pipes, the substantially spherical bodies in train being connected by a wire which is passed through the substantially spherical bodies in series and which is connected at its opposite ends to the front and rear legs respectively in each of the pair of frame pipes; and a pair of control means provided on the pair of frame pipes respectively for controlling sliding movement of the train of serially connected substantially spherical bodies within each of the pair of frame pipes.

REFERENCES:
patent: Re29574 (1978-03-01), Pethick
patent: 3169344 (1965-02-01), Greene
patent: 3176700 (1965-04-01), Drury, Jr.
patent: 3455313 (1969-07-01), King
patent: 3800815 (1974-04-01), Birk

Affiliated with

Also associated with

Rating

Alternate walker having extensible/contractible front and rear l does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Alternate walker having extensible/contractible front and rear l, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alternate walker having extensible/contractible front and rear l will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1189181