Adjustable bed and interchangeable drive unit therefor

Details Adjustable bed and interchangeable drive unit therefor Adjustable bed and interchangeable drive unit therefor

1990-11-13

1992-03-17

Trettel, Michael F.

Beds

Invalid bed or surgical support

Sectional user supporting surface

5611, 5619, A61G 700

Patent

active

050955624

ABSTRACT:
An adjustable bed and interchangeable drive unit therefor, which includes a bed frame, a plurality of separately adjustable bed sections pivotally secured to the frame, a corresponding plurality of controller shafts wherein each shaft controls one of the adjustable bed sections, a manual drive unit comprising a plurality of handcranks for individually driving each of the plurality of controller shafts, a powered drive unit comprising at least one electric motor operatively arranged for individually driving each of the controller shafts, and quick disconnect/connect means for interchanging the manual drive unit and the powered drive unit, wherein only one of the drive units is secured to the bed at any one time.

REFERENCES:
patent: 2699688 (1955-01-01), Sutton
patent: 3216026 (1965-11-01), Mann
patent: 3797273 (1974-03-01), Benoit et al.
patent: 3965500 (1976-06-01), Stein, Jr.
patent: 4202062 (1980-05-01), Marcyan
patent: 4545084 (1985-10-01), Peterson
patent: 4592104 (1986-06-01), Foster et al.
patent: 4660236 (1987-04-01), Peterson
patent: 4685160 (1987-08-01), Rizzardo

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