Wheelchair

Details Wheelchair Wheelchair

1995-12-27

2000-02-22

Boehler, Anne Marie

Land vehicles

Wheeled

Occupant propelled type

16 19, 2803041, 297364, B62M 114

Patent

active

060271329

ABSTRACT:
Drive wheel axle assemblies (34, 34A) and caster wheel assemblies (94, 252) are mounted to a wheelchair frame (4, 222). One axle assembly (34) includes an axle adjustment tube (40) secured to the frame and an axle housing (56), defining an axle bore (58), toollessly mounted to the axle adjustment tube at any of several rotary orientations to determine the camber of the drive wheel (36) mounted to the axle assembly. The front to rear position of the axle housing can also be adjusted in a toolless manner using a quick release pin (66). The height of the front end (10) of the frame is changed, to ensure that the caster wheel pivot axis (96) remains vertical, without tools by mounting a caster wheel (98) at various vertical positions within a caster spool housing (100) without exposing the user to oil and grease on the spindle (120) and bearings (121). Another axle assembly (34A) permits the height of the drive wheels (254) to be changed without the used tools. The seat back angle can also be changed without tools by a user while sitting in the wheelchair.

REFERENCES:
patent: D254970 (1980-05-01), Honzyou
patent: D278217 (1985-04-01), Nassari
patent: D306712 (1990-03-01), Friedrich
patent: D344702 (1994-03-01), Robertson et al.
patent: 1274165 (1918-07-01), Hormes
patent: 1342500 (1920-06-01), Finch
patent: 1482954 (1924-02-01), Tideman
patent: 1491204 (1924-03-01), Epting
patent: 2565867 (1951-08-01), Lundquist
patent: 2918300 (1959-12-01), Hendrickson
patent: 3379450 (1968-04-01), Jones et al.
patent: 3784252 (1974-01-01), Peterson
patent: 3866250 (1975-02-01), Bradford
patent: 3882949 (1975-05-01), Anderson
patent: 4351540 (1982-09-01), Minnebraker
patent: 4405142 (1983-09-01), Whetstine
patent: 4477098 (1984-10-01), Minnebraker
patent: 4650201 (1987-03-01), Hartwell
patent: 4652005 (1987-03-01), Hartwell
patent: 4721321 (1988-01-01), Haury et al.
patent: 4730842 (1988-03-01), Summers et al.
patent: 4768797 (1988-09-01), Friedrich
patent: 4805925 (1989-02-01), Haury et al.
patent: 4813693 (1989-03-01), Lockard et al.
patent: 4955624 (1990-09-01), Jeun-Long
patent: 4966379 (1990-10-01), Mulholland
patent: 4969232 (1990-11-01), Michel
patent: 4989890 (1991-02-01), Lockard et al.
patent: 5020816 (1991-06-01), Mulholland
patent: 5028064 (1991-07-01), Johnson
patent: 5060962 (1991-10-01), McWethy
patent: 5131672 (1992-07-01), Robertson
patent: 5152543 (1992-10-01), Sims et al.
patent: 5253888 (1993-10-01), Friedrich
patent: 5259635 (1993-11-01), Picker
patent: 5267745 (1993-12-01), Robertson
patent: 5333894 (1994-08-01), Mayes
patent: 5409247 (1995-04-01), Robertson et al.
patent: 5551756 (1996-09-01), Gurasich et al.
patent: 5590893 (1997-01-01), Robinson et al.
patent: 5593211 (1997-01-01), Jay et al.
Action Pro Product Literature, pp. 10, 11, update Aug. 31, 1993.

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-514649