Window-door alarm

Details Window-door alarm Window-door alarm

1979-12-10

1983-12-06

Yasich, Daniel M.

Signals and indicators

Alarms

Burglar

42 1TB, 116 89, F41F 2700, G08B 1308

Patent

active

044186380

ABSTRACT:
An alarm device which explodes a loud sounding firing cap in case a door or window is started to be opened; the device including a pop gun mechanism wherein a released compression spring inside a barrel strikes an explosion cap inserted in an end of the barrel; the cocked spring mechanism being released by a push of a bar mounted on a movable window sash or door.

REFERENCES:
patent: 225641 (1880-03-01), Reiff
patent: 364637 (1887-06-01), Ellwood
patent: 368095 (1887-08-01), Lamb
patent: 600068 (1898-03-01), Goepper
patent: 609994 (1898-08-01), Meyer
patent: 824161 (1906-06-01), Wade
patent: 896769 (1908-08-01), Smith
patent: 1456209 (1923-05-01), Atwood
patent: 1754305 (1930-04-01), Burrell
patent: 3214857 (1965-11-01), Tyrone et al.

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