Door stop alarm

Details Door stop alarm Door stop alarm

1988-10-11

1989-12-26

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6193, 292339, G08B 1308

Patent

active

048900923

ABSTRACT:
A wedge-shaped housing mounts a reciprocating elongate switch medially positioned and resiliently biased through an upper face of the wedge. Upon depression of the wedge by a door opening, a circuit is completed to actuate an included alarm. A variety of friction surfaces can be removably secured to an underlying surface of the housing.

REFERENCES:
patent: 828834 (1906-08-01), Bell
patent: 1944783 (1934-01-01), Ciriacy et al.
patent: 3432843 (1969-03-01), Spring
patent: 3932856 (1976-01-01), Tremont
patent: 4264899 (1981-04-01), Menzies
patent: 4442427 (1984-04-01), Morton
patent: 4483558 (1984-11-01), Van Meter
patent: 4607253 (1986-08-01), Wooten

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