Gas cartridge safety inflator apparatus

Details Gas cartridge safety inflator apparatus Gas cartridge safety inflator apparatus

1996-07-17

1997-07-01

Swinehart, Edwin L.

Buoys, rafts, and aquatic devices

Water rescue or life protecting apparatus

Personal flotation device

116277, 116309, 137 6818, 222 5, 222 48, 441 93, B63C 9125

Patent

active

056430302

ABSTRACT:
A gas cartridge introduced into the housing of the invention is punctured by a pin moved by an arm designed to show through a window whether the cartridge is full or empty. A pulling on a tab rotates the arm to action, in puncturing the cartridge and a spring then locks the visual display in position. The pin is provided with a cone-shaped head which prevents any re-arming of the arm from changing the display to show that the cartridge is full, when in fact the cartridge has been spent.

REFERENCES:
patent: 824163 (1906-06-01), Whitney
patent: 3266668 (1966-08-01), Davis
patent: 4972971 (1990-11-01), Janko et al.
patent: 5333656 (1994-08-01), Mackal

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