Land vehicles – Wheeled – Extensible
Patent
1998-11-13
2000-03-07
English, Peter C.
Land vehicles
Wheeled
Extensible
2802501, 180 656, 297DIG4, B60K 102
Patent
active
060329769
ABSTRACT:
One aspect of the present invention is a wheelchair that has a tiltable seat The wheelchair comprises a base frame, a seat frame, a plurality of pivotable side connection members, and at least one drive member. The base frame comprises a plurality of substantially parallel base frame side members, each supporting a longitudinally movable connection. A longitudinally movable support member is slidably connected at each end to the longitudinally movable connection. The seat frame is tiltable relative to the base frame. The seat frame comprises a plurality of substantially parallel seat frame side members, each having a front end and a back end, The back end of each of the seat frame side members is connected to the longitudinally movable support member. The pivotable side connection members each have an upper end and a lower end. The upper end is pivotally connected to a seat frame side member at a point on the seat frame side member that is forward of the point on the seat frame side member where the seat frame side member is connected to the longitudinally movable support member. The lower end is pivotally connected to a base frame side member at a point on the base frame side member that is forward of the longitudinal retaining slot. The drive member is attached to the longitudinally movable support member and is capable of moving the longitudinally movable support member forward and backward.
REFERENCES:
patent: 2091063 (1937-08-01), Ball
patent: 2578828 (1951-12-01), Nelson
patent: 3191990 (1965-06-01), Rugg et al.
patent: 4183578 (1980-01-01), Naganawa
patent: 4333681 (1982-06-01), Nelson
patent: 4614246 (1986-09-01), Masse et al.
patent: 4616874 (1986-10-01), Pietsch et al.
patent: 4877291 (1989-10-01), Taylor
patent: 5044647 (1991-09-01), Patterson
patent: 5297021 (1994-03-01), Koerlin et al.
patent: 5531284 (1996-07-01), Okamoto
patent: 5540297 (1996-07-01), Meier
patent: 5542690 (1996-08-01), Kozicki
patent: 5549357 (1996-08-01), Counts et al.
patent: 5555949 (1996-09-01), Stallard et al.
patent: 5575348 (1996-11-01), Goertzen et al.
patent: 5592997 (1997-01-01), Ball
patent: 5722726 (1998-03-01), Matsumiya
patent: 5774914 (1998-09-01), Johnson et al.
Alexander Dalva R.
Dickie Paul C.
English Peter C.
Jasmin Lynda
Sunrise Medical HHG Inc.
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