Chairs and seats – Bottom or back – Contoured bottom
Patent
1996-04-16
1997-09-30
Brown, Peter R.
Chairs and seats
Bottom or back
Contoured bottom
29745225, 29745241, 5654, 5932, A47C 702
Patent
active
056719779
ABSTRACT:
An anti-thrust seating system and low profile, adjustable back system primarily intended for use in a wheelchair. The anti-thrust seating system includes a base seating member with a forward section to support the user's thighs and a rearward section to support the user's buttocks including the ischial tuberosities. The upper surfaces of the forward and rearward sections meet to form an edge extending across the base seating member. The upper surface of the rearward section has two portions which form a first step face or anti-thrust barrier to the user's ischial tuberosities. The seating system further includes at least one separate step means that can be removably positioned adjacent and rearwardly of the first step face wherein the separate step means has a second step face. The separate step means also has an upper surface which serves to effectively extend the thigh supporting surface or shell rearwardly. The adjustable back system has first and second relatively rigid shell members with a back cushion removably attached to the second or forward shell member. In their retracted positions, portions of both the first and second shell members and cushion extend between and along the back posts of the wheelchair and very little of the back extends forward of the back posts.
REFERENCES:
patent: Re29522 (1978-01-01), Barecki
patent: D335235 (1993-05-01), Hildreth
patent: 1486813 (1924-03-01), Tallman
patent: 1562658 (1925-11-01), Presley
patent: 1706794 (1929-03-01), Linebarger et al.
patent: 1726939 (1929-09-01), Anderson
patent: 2575764 (1951-11-01), Morner
patent: 3112956 (1963-12-01), Schick et al.
patent: 4588229 (1986-05-01), Jay
patent: 4643481 (1987-02-01), Saloff
patent: 4660238 (1987-04-01), Jay
patent: 4726624 (1988-02-01), Jay
patent: 4728551 (1988-03-01), Jay
patent: 4761843 (1988-08-01), Jay
patent: 4842330 (1989-06-01), Jay
patent: 4951334 (1990-08-01), Maier
patent: 5018790 (1991-05-01), Jay
patent: 5062677 (1991-11-01), Jay
patent: 5074620 (1991-12-01), Jay
patent: 5088747 (1992-02-01), Morrison et al.
patent: 5110186 (1992-05-01), Clark et al.
patent: 5123699 (1992-06-01), Warburton
patent: 5189747 (1993-03-01), Mundy
patent: 5201780 (1993-04-01), Dinsmoor
patent: 5211446 (1993-05-01), Jay
patent: 5254404 (1993-10-01), Dinsmoor
patent: 5297851 (1994-03-01), Van Hekken
patent: 5317773 (1994-06-01), Graebe
patent: 5352023 (1994-10-01), Jay et al.
patent: 5378045 (1995-01-01), Siekman et al.
patent: 5390384 (1995-02-01), Dinsmoor, III et al.
patent: 5395162 (1995-03-01), Jay et al.
Preston Corportion Brochure 1982.
Dinsmoor, III John C.
Jay Eric C.
Brown Peter R.
Jay Medical Ltd.
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