Suspension structure for wheelchair

Details Suspension structure for wheelchair Suspension structure for wheelchair

2006-04-04

2006-04-04

Ellis, Christopher P. (Department: 3618)

Land vehicles

Wheeled

Occupant propelled type

C280S304100, C280SDIG010, C180S065100, C297S423260, CD12S131000

Reexamination Certificate

active

07021641

ABSTRACT:
A suspension structure for a wheelchair generally includes movable arm that serve to connect driving wheels with frame of a wheelchair, sliding unit is further provided for enabling the movable arm to movably connect with a front cantilever of the wheelchair. By such arrangements, in case that the wheelchair of the present invention encounters a raised ground, or similar barriers of the like, the front cantilever will work with the movable arm to raise front jockey wheels, whereas the driving wheels firmly catches the ground, such that enables the wheelchair to the pass the barrier smoothly without difficulties.

REFERENCES:
patent: 857696 (1907-06-01), Weinstein
patent: 1226848 (1917-05-01), Black
patent: 1591529 (1926-07-01), Guerber
patent: 3666292 (1972-05-01), Bartos
patent: 3727903 (1973-04-01), Brown
patent: 3882949 (1975-05-01), Anderson
patent: 4565385 (1986-01-01), Morford
patent: 5233743 (1993-08-01), Robertson et al.
patent: 5853059 (1998-12-01), Goertzen et al.
patent: 5944131 (1999-08-01), Schaffner et al.
patent: 6070898 (2000-06-01), Dickie et al.
patent: 6131679 (2000-10-01), Pulver et al.
patent: 6135222 (2000-10-01), Furukawa
patent: 6199647 (2001-03-01), Schaffner et al.
patent: 6460641 (2002-10-01), Kral
patent: 6554086 (2003-04-01), Goertzen et al.
patent: 6776430 (2004-08-01), White et al.
patent: 6845996 (2005-01-01), Cheng
patent: 2004/0004342 (2004-01-01), Mulhern et al.
patent: 0384499 (1990-08-01), None
patent: WO90/06097 (1990-06-01), None
patent: WO94/15567 (1994-07-01), None

Affiliated with

Also associated with

Rating

Suspension structure for 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 Suspension structure for wheelchair, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Suspension structure for wheelchair will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3556304