Power assist apparatus for use with a hospital bed

Details Power assist apparatus for use with a hospital bed Power assist apparatus for use with a hospital bed

2008-09-02

2008-09-02

Engle, Patricia (Department: 3673)

Motor vehicles

Steered by walking attendant

Handle movement controls vehicle drive

C005S510000, C180S019100, C280S043170

Reexamination Certificate

active

11387120

ABSTRACT:
A power-assist apparatus for use with hospital beds has at least one drive wheel interconnected to a frame of the hospital bed so as to be movable between a first position in which the drive wheel is positioned in spaced relationship to an underlying surface and a second position in which the drive wheel resiliently contacts the underlying surface. A controller is cooperative with the drive wheel so as to move the drive wheel between the first and second positions. A motor is drivably connected to the drive wheel. A handle is connected to the frame of the bed so as to extend upwardly and outwardly therefrom. The handle has control mechanisms for controlling the drive wheel and the motor.

REFERENCES:
patent: 3876024 (1975-04-01), Shieman et al.
patent: 5513406 (1996-05-01), Foster et al.
patent: 5580207 (1996-12-01), Kiebooms et al.
patent: 6725956 (2004-04-01), Lemire
patent: 6729421 (2004-05-01), Gluck et al.
patent: 6834402 (2004-12-01), Hanson et al.
patent: 6871714 (2005-03-01), Johnson
patent: 6902019 (2005-06-01), Heimbrock et al.
patent: 7191854 (2007-03-01), Lenkman
patent: 2002/0084116 (2002-07-01), Ruschke et al.
patent: 2004/0159473 (2004-08-01), Vogel et al.

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