Bottom structure of a bed

Details Bottom structure of a bed Bottom structure of a bed

1993-12-21

1995-09-12

Trettel, Michael F.

Beds

Invalid bed or surgical support

Sectional user supporting surface

5191, 52361, A47C 2306

Patent

active

054487897

ABSTRACT:
The present invention provides a bottom structure for a bed having a lifting mechanism and plural parallel bottom strips connected sequentially by elastic strips, thus allowing the bottom to be bent. The elastic strips are curved in areas not in contact with the bottom strips so that the bottom structure can be adjusted in length.

REFERENCES:
patent: 137718 (1873-04-01), Pullinger
patent: 2616100 (1952-11-01), Weiner
patent: 2638606 (1953-05-01), Austin
patent: 2745473 (1956-05-01), Boland
patent: 4370767 (1983-02-01), Fraser
patent: 4827544 (1989-05-01), Husler
patent: 5233709 (1993-08-01), Harry

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