Pneumatic invalid lift

Details Pneumatic invalid lift Pneumatic invalid lift

1985-05-02

1986-12-16

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

B66F 324

Patent

active

046291628

ABSTRACT:
A pneumatic invalid lift comprises a wedge-shaped inflatable air bag for positioning on a seat surface, and a high volume, low pressure vane-type blower for supplying air to the air bag through a flexible hose connection. Air is discharged from the bag through a small-section outlet nozzle. A remote controlled switch is provided for enabling a person using the air bag to operate the motor whereby the bag is inflated when the motor is running and deflated by exhaust of air through the blower and discharge nozzle when the motor is switched off.

REFERENCES:
patent: 2644449 (1953-07-01), Champagne
patent: 3346885 (1967-10-01), Merriman
patent: 3819153 (1974-06-01), Hurst et al.
patent: 3822861 (1974-07-01), Scott
patent: 3945610 (1976-03-01), Solie et al.
patent: 3990681 (1976-11-01), McKeen

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