Beds – Sofa bed – Reverting back
Patent
1988-10-31
1990-08-14
Grosz, Alexander
Beds
Sofa bed
Reverting back
5 72, 5 66, 5430, 128 49, A61G 7008, A61G 7015, A47C 2108
Patent
active
049474960
ABSTRACT:
A therapeutic bed (1) comprises a patient support platform (2) rotatably mounted on a base frame (5). A pair of side members (30) extend longitudinally of the patient support platform (2) and are mounted for pivotal movement about a longitudinal pivot axis from a raised operative position supporting a patient to a lowered inoperative position. Each side member (30) is carried on a pair of spaced-apart cranked support arms (34, 35) which are bridged by a bridging bar (42) to form a frame. A primary retaining device retains the side support in the raised position. Each support arm (34, 35) is pivotally mounted to a pivot support sleeve which is slidably mounted on a round bar (46) forming a track. A secondary retaining device is provided by a stop disc (48) having a slot (50) which is moved into and out of alignment with a latch (47) to control movement of the sleeve (45) on the bar (46).
REFERENCES:
patent: 3434165 (1969-03-01), Keane
patent: 3604024 (1971-09-01), Polanski
patent: 3614795 (1971-10-01), Agnew
patent: 4186456 (1980-02-01), Huempfner
patent: 4509217 (1985-04-01), Therrien
patent: 4589151 (1986-05-01), Behrens
patent: 4653129 (1987-03-01), Kuck et al.
patent: 4658450 (1987-04-01), Thompson
patent: 4763643 (1988-08-01), Vrzalik
Ethos Medical Research Limited
Grosz Alexander
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