Intrusion alarm safety

Details Intrusion alarm safety Intrusion alarm safety

1979-05-04

1980-10-28

Goldberg, Gerald

Combustion

Illuminating flash device, e.g., photographic bulb, etc.

Fuel charge within sealed transparent casing, e.g., bulb

116 5, 116 7, 116 87, 116 88, G08B 314, G08B 708, G08B 1308

Patent

active

042304504

ABSTRACT:
A mechanism for activating a plurality of flashlamps in a flashlamp article (e.g., MAGICUBE) in response to external actuation (e.g., the opening or closing of a door) thereof. To prevent accidental actuation, the mechanism includes a safety device in the form of an elongated pin which inserts within a pair of aligned openings within the mechanism to positively engage and retain the mechanism's movable activator. In one embodiment, the pin is also attached via a cord to the mechanism's spherical ball engagement member which causes movement of the activator.

REFERENCES:
patent: 3714647 (1973-01-01), Litman
patent: 3805257 (1974-04-01), Litman
patent: 4060372 (1977-11-01), Beck
patent: 4116615 (1978-09-01), Hall
patent: 4130081 (1978-12-01), Blaisdell
patent: 4130082 (1978-12-01), Bouchard
patent: 4130083 (1978-12-01), Bouchard

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