Beds – Support for users body or part thereof – Removable support specially adapted for seating
Patent
1997-10-29
1999-09-14
Trettel, Michael F.
Beds
Support for users body or part thereof
Removable support specially adapted for seating
5657, 56559, 29745221, 29745225, 29745227, A47C 2715, A47C 702
Patent
active
059502630
ABSTRACT:
A transversely extending insert 20 for adjusting the length of a split level wheelchair support cushion 10, said split level wheelchair support cushion 10 having a raised forward section 12 for supporting a user's femoral region and a lowered rear section 14 for supporting the user's ischial and coccyx region, with a downwardly rearwardly slanting step face 21 separating the raised forward section 14 from the lowered rear section 12, said insert 20 having:
REFERENCES:
patent: 4819288 (1989-04-01), Lowthian
patent: 5286039 (1994-02-01), Goldman
patent: 5286089 (1994-02-01), Goldman
patent: 5343876 (1994-09-01), Rogers
patent: 5352023 (1994-10-01), Jay et al.
patent: 5442823 (1995-08-01), Siekman et al.
patent: 5492823 (1996-02-01), Xu
Hanson Wayne H.
Trevillyan Clifford K.
Sunrise Medical HHG Inc.
Trettel Michael F.
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