Emergency drop fowler and gatch

Details Emergency drop fowler and gatch Emergency drop fowler and gatch

1993-07-01

1995-06-13

Trettel, Michael F.

Beds

Invalid bed or surgical support

Sectional user supporting surface

5618, 403324, 403378, A61G 700

Patent

active

054230977

ABSTRACT:
A bed has movable upper body and knee support sections, and first and second coupling arrangements which each couple a respective drive arrangement to one of the upper body and knee support sections to effect movement thereof between inclined and horizontal positions. Each coupling arrangement includes two telescoping tubes and a locking mechanism for releasably holding the tubes against relative movement, the locking mechanisms of both coupling arrangements being released in response to manual operation of a release handle. Each locking mechanism includes a transverse cylindrical locking element rotatably supported on a first of the tubes for movement between a locking position in which a portion thereof engages a semicylindrical recess in the second tube, and a release position in which the tubes are free to move relative to each other with a portion of the second tube which extends lengthwise thereof sliding within a transverse recess in the locking element.

REFERENCES:
patent: 3039119 (1962-06-01), Bourgraf et al.
patent: 4038709 (1977-08-01), Kerwit
patent: 4222131 (1980-09-01), Holdt et al.
patent: 4346487 (1982-08-01), Holdt et al.
patent: 4559655 (1985-12-01), Peck
patent: 5193419 (1993-03-01), Lee
patent: 5329657 (1994-07-01), Bartley et al.
Sketch "A", filed by applicant on Jul. 1, 1993.

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