Pneumatic cot for use with emergency vehicles

Details Pneumatic cot for use with emergency vehicles Pneumatic cot for use with emergency vehicles

2005-09-13

2005-09-13

Hurley, Kevin (Department: 3611)

Land vehicles

Step or abutment ascending type vehicle

With endless track

C005S620000, C005S086100

Reexamination Certificate

active

06942226

ABSTRACT:
An ambulance cot is provided having a wheeled carriage, a frame for mounting the wheels, a horizontally oriented patient litter supported from the wheeled carriage and variable, pneumatically powered height scissors frame. The pneumatic actuator is designed to give a patient air-ride transportation and an adjustable height litter for lifting a patient from the ground. The patient litter has a pivoting hinge for transporting a patient down stairs. This pivot will allow the stretcher to pivot to a horizontal angle while going down stairs, for patient support and ease of transportation for the operator below. One embodiment has tracks attached over the wheels to provide a more stable and smooth ride as the cot is moved down stairs. Another embodiment comprises a translational trolley configuration. A hand brake is mounted on the patient litter for braking the tank-like motion of the tracks.

REFERENCES:
patent: 1318592 (1919-10-01), Rainville
patent: 2442334 (1948-06-01), Bailey
patent: 2493613 (1950-01-01), Bortnick
patent: 2841407 (1958-07-01), Arnao
patent: 3432178 (1969-03-01), Xander
patent: 4136888 (1979-01-01), Bowie et al.
patent: 4411330 (1983-10-01), Blokland
patent: 5271113 (1993-12-01), White
patent: 5868403 (1999-02-01), Culp et al.
patent: 6422576 (2002-07-01), Michaeli et al.
patent: 681445 (1993-03-01), None
patent: 2677600 (1992-06-01), None
patent: WO 94/05538 (1994-03-01), None

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