Wheelchair with self-raising seat

Details Wheelchair with self-raising seat Wheelchair with self-raising seat

2006-08-29

2006-08-29

Ellis, Christopher P. (Department: 3618)

Land vehicles

Wheeled

Occupant propelled type

C280S647000, C297SDIG010, C297SDIG010

Reexamination Certificate

active

07097189

ABSTRACT:
A wheelchair having two rigid frames, two fixing combinations, two lever combinations and a transformation combination is provided. The rigid frame is connected to a wheel and has a front cross frame coupled between the rigid frames. The fixing combinations further include a linking frame and tooth frame, whereby the linking frame enfolds the tooth frame and couples to the rigid frame. The tooth frame includes a tooth fitting. The lever combination is located at the top of the rigid frame and further includes a rear cross frame coupled between the lever combination of lever. The raising wheelchair provides assistance to users for stable, convenient, and independent operation in rising from or sitting into the chair.

REFERENCES:
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patent: 4598944 (1986-07-01), Meyer et al.
patent: 4640525 (1987-02-01), Jensen et al.
patent: 5096008 (1992-03-01), Mankowski
patent: 5195803 (1993-03-01), Quintile
patent: 5520403 (1996-05-01), Bergstrom et al.
patent: 5556121 (1996-09-01), Pillot
patent: 5772226 (1998-06-01), Bobichon
patent: 6125957 (2000-10-01), Kauffmann
patent: 6601869 (2003-08-01), Porcheron
patent: 6793232 (2004-09-01), Wing
patent: 2003/0146601 (2003-08-01), Gutierrez
patent: 2003/0197345 (2003-10-01), Nelson et al.

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