Beds – Support for users body or part thereof – Removable support specially adapted for seating
Patent
1996-07-12
1998-12-08
Trettel, Michael F.
Beds
Support for users body or part thereof
Removable support specially adapted for seating
56553, 56559, 29745241, 29745242, 29745247, A47C 2710, A47C 702, A47G 900
Patent
active
058453520
ABSTRACT:
A composite foam base air cell module cushion having a water resistant skin, a contoured foam base designed to relieve pressure on the trochanters and the ischia and an air cell module having two sets of air cells, each partially filled, positioned inside the foam base in a chamber beneath the rear of the base. The skin is of two layer construction with a two-way stretch outer layer and a water impervious inner layer. The bottom of the base is covered with a water impervious sheet and the edges are secured to the edges of the top skin covering. The air cell is made by placing the preformed top into molds smaller in depth than the air cells to partially collapse the air cells before a base is applied to the top to close the open ends of the air cells and trap air therein.
REFERENCES:
patent: 2672183 (1954-03-01), Forsyth
patent: 2691179 (1954-10-01), Kann
patent: 2748399 (1956-06-01), Rockoff
patent: 2819712 (1958-01-01), Morrison
patent: 3008465 (1961-11-01), Gal
patent: 3982786 (1976-09-01), Burgin et al.
patent: 4186734 (1980-02-01), Stratton
patent: 4541136 (1985-09-01), Graebe
patent: 4660238 (1987-04-01), Jay
patent: 4698864 (1987-10-01), Graebe
patent: 4726624 (1988-02-01), Jay
patent: 4753480 (1988-06-01), Morell
patent: 4761843 (1988-08-01), Jay
patent: 4796948 (1989-01-01), Paul et al.
patent: 4803744 (1989-02-01), Peck et al.
patent: 4856844 (1989-08-01), Isono
patent: 4930171 (1990-06-01), Frantz
patent: 4953913 (1990-09-01), Graebe
patent: 4965901 (1990-10-01), Normand
patent: 4982466 (1991-01-01), Higgins et al.
patent: 5052068 (1991-10-01), Graebe
patent: 5111544 (1992-05-01), Graebe
patent: 5233974 (1993-08-01), Senoue et al.
patent: 5369828 (1994-12-01), Graebe
patent: 5499413 (1996-03-01), Van Hekken
patent: 5529377 (1996-06-01), Miller
patent: 5551107 (1996-09-01), Graebe
patent: 5573305 (1996-11-01), Storch
Graebe Kurt
Matsler Winfield R.
Roho, Inc.
Trettel Michael F.
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