Beds – Sofa bed – Reverting back
Patent
1986-12-11
1988-06-21
Grosz, Alexander
Beds
Sofa bed
Reverting back
5 60, 74501R, 74502, A61G 700
Patent
active
047517557
ABSTRACT:
A patient trolley has a power-assisted tiltable backrest. The power assistance is provided by two gas spring cylinders. Advantageously, the cylinders extends through the bed of the trolley. The cylinders are released when handles are operated by a user. The handles are located at adjacent corners at the head of the trolly.
REFERENCES:
patent: 2386767 (1945-10-01), Arens
patent: 2788529 (1957-04-01), Moritzacky et al.
patent: 4489449 (1984-12-01), Failor et al.
patent: 4584728 (1986-04-01), Tabbert et al.
patent: 4667354 (1987-05-01), Carey, Jr. et al.
Carey, Jr. John S.
McNab, III Frederick G.
Grosz Alexander
Jay Mark H.
Siemens Medical Systems Inc.
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