Wheelchair

Details Wheelchair Wheelchair

1991-12-30

1993-06-08

Focarino, Margaret A.

Land vehicles

Wheeled

Occupant propelled type

2803041, 280647, 297 19, 297 44, 297325, B62M 6302

Patent

active

052172392

ABSTRACT:
In providing wheelchairs with a central suspension, which comprises a funicular quadrangle and parallelogram hinges, less effort is needed to adjust the position of the chair with respect to the chassis and, moreover, the danger of tumbling is considerably reduced.

REFERENCES:
patent: 2818910 (1958-01-01), Hawkins
patent: 3142351 (1964-07-01), Green
patent: 3147039 (1964-09-01), Smith et al.
patent: 3227465 (1966-01-01), Massie
patent: 4026568 (1977-05-01), Hallam
patent: 4193147 (1980-03-01), Fischer
patent: 4273350 (1981-06-01), Williams
patent: 4477117 (1984-10-01), Higgs
patent: 4553770 (1985-11-01), Lyman
patent: 4614246 (1986-09-01), Masse et al.
patent: 4647066 (1987-03-01), Walton
patent: 4693490 (1987-09-01), Loodberg
patent: 4966379 (1990-10-01), Mulholland

Affiliated with

Also associated with

Rating

Wheelchair does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1929197