Wheelchair frame and castor assembly

Details Wheelchair frame and castor assembly Wheelchair frame and castor assembly

1995-10-16

1998-06-09

Johnson, Brian L.

Motor vehicles

Power

Electric

180907, 180 65, 16 35D, 280725, 280268, B60K 102

Patent

active

057621551

ABSTRACT:
A wheelchair frame comprises a base frame part (1, 2) with a plurality of wheels (3, 33), including two front wheels (3), wherein each of said front wheels can be driven by an electromotor (4). The base frame part carries at the back side a castor assembly (13) located in the center and comprising a swivel axle (14) with a neutral straight on position, wherein a device 22 is are provided for exerting a rotation force on the swivel axle in the direction of the straight on position at rotation of the swivel axle out of the straight on position.

REFERENCES:
patent: 940783 (1909-11-01), Buckland
patent: 2482961 (1949-09-01), Bishop
patent: 2620235 (1952-12-01), Butler
patent: 3064744 (1962-11-01), Jennings
patent: 4280246 (1981-07-01), Christensen
patent: 4614246 (1986-09-01), Masse et al.
patent: 5028064 (1991-07-01), Johnson
patent: 5222567 (1993-06-01), Broadhead et al.
patent: 5275248 (1994-01-01), Finch et al.
Polytechnisch Tijdschrift Werktuigbouw, No. 8, 1993, NL.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2191001