Signals and indicators – Alarms – Burglar
Patent
1980-04-18
1982-07-20
Howell, Kyle L.
Signals and indicators
Alarms
Burglar
116 33, 340 63, 340404, G08B 1312, G08B 1322
Patent
active
043400078
ABSTRACT:
A portable locking and alarm system for securing objects to a stationary member comprising an enclosed casing and a flexible cable secured at one end to the casing by a conventional key-type lock and secured at its opposite end to an audio alarm actuating system internally of the casing. The flexible cable includes an outer hollow casing and a relatively thin elongated actuating core. The audio alarm actuating system includes a spring biased hammer secured to the core of the cable and normally spaced in an unarmed position relative to a piercing or actuating pin for puncturing the diaphragm at the discharge end of a CO.sub.2 cylinder. As long as the cable and core member remain intact, the hammer remains in an unarmed position and the audio alarm system is dormant. However, if the cable is severed or the casing tampered with, the piercing pin is actuated by the hammer or a pivotally mounted member internally of the casing to puncture the diaphragm whereby the CO.sub.2 cylinder discharges through a conduit to a horn-like alarm. The system thus acts as a deterrent to would-be thieves since it ensures actuation of the audio alarm when someone tampers with either the cable or casing.
REFERENCES:
patent: 2878774 (1959-03-01), Carroll
patent: 3451369 (1969-06-01), Leve
patent: 3725886 (1973-04-01), Marks
patent: 3754224 (1973-08-01), Roy
patent: 3781861 (1973-12-01), Adler
patent: 3824540 (1974-07-01), Smith
patent: 3866205 (1975-02-01), Payne
Corr Denis E.
Howell Kyle L.
Renz Jr. Eugene E.
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