Beds – Invalid bed or surgical support – Tiltable along a transverse axis
Patent
1997-11-10
1999-08-24
Trettel, Michael F.
Beds
Invalid bed or surgical support
Tiltable along a transverse axis
5600, 5611, 5147, A61G 7005
Patent
active
059409118
ABSTRACT:
Disclosed is a multi-functional bed structure which includes a main operational control unit and a bed portion. The main operational control unit includes an elevating mechanism which can be controlled to cause the bed portion to move up and down or forward and backward reciprocatingly in different selected manners. The bed portion may be a roller type or a non-roller type. A roller type bed portion includes a chassis structure below a mattress-supporting bed frame provided with roller rails. A lifting mechanism is mounted on the chassis structure to lift or lower the bed frame by engaging rollers connected to a top of the lifting mechanism with the roller rails on the bed frame. A raising mechanism is mounted below the bed frame to raise different parts of the mattress as needed by the user. The elevating, the lifting, and the raising mechanisms all can be operated in three different control manners, namely, manual, displacement range, and random controls, so that the bed portion may be shifted rhythmically.
REFERENCES:
patent: 3336606 (1967-08-01), Beitzel
patent: 3517397 (1970-06-01), Moore
patent: 3703735 (1972-11-01), Moore
patent: 4103373 (1978-08-01), Luedtke et al.
patent: 4534076 (1985-08-01), Barge
patent: 4960271 (1990-10-01), Sebring
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