Triggering mechanism

Details Triggering mechanism Triggering mechanism

1995-05-26

1996-05-21

Swinehart, Edwin L.

Buoys, rafts, and aquatic devices

Water rescue or life protecting apparatus

Personal flotation device

441 10, 441 96, B63B 2214

Patent

active

055184308

ABSTRACT:
The present invention provides a triggering mechanism that utilizes stepped triggering of successively higher-pre-loaded, counterdirected, nested stages. The present invention thus presents a triggering mechanism whereby an input force of a first value can result in an actuation force of a second value. In the preferred embodiment, the second force is greater than the first force. The present invention is suitable for incorporation in any apparatus taking advantage of its ability to use an input force of a given magnitude and provide an actuation force of different magnitude. Such devices include, but are not limited to, those utilizing hydrostatic pressure for actuation of flotation, marking, and retrieval devices, devices actuated by barostatic, mechanical, and pneumatic pressure, and devices that trigger chemical (including pyrotechnic), electrical, mechanical, and pneumatic devices. There is theoretically no limit to the number of successive stages in the triggering mechanism of the present invention.

REFERENCES:
patent: 3008479 (1961-11-01), Mancusi, Jr.
patent: 3349786 (1967-10-01), Martin
patent: 3934292 (1976-01-01), Mulderrig
patent: 4356936 (1982-11-01), Legris
patent: 5419725 (1995-05-01), Crowder et al.

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