Self-contained alarm lock

Details Self-contained alarm lock Self-contained alarm lock

1976-07-19

1977-11-15

Parsons, Jr., Marion

Locks

Special application

For cycles

70 14, 70 18, 70 58, 70DIG49, B60R 2510

Patent

active

040579867

ABSTRACT:
A portable tamperproof and battery-powered alarm device used for locking in place, objects which need to be restrained from theft. The device is ideal for locking bicycles, mini-bikes, motor cycles, and the like, due to its portability and versatility. The device includes a casing for an alarm and operative circuit therefor and an object-restraining member. Once the device is activated by an internal switch, any interruptions of the circuit, such as breaking of the restraining member, cause an audible alarm to sound continuously until the device is manually reset. The locking and alarm device is a completely separate unit from the object-restraining member, and thus the latter may be readily replaced as needed.

REFERENCES:
patent: 604577 (1898-05-01), Brigden
patent: 648710 (1900-05-01), Quelch
patent: 2022669 (1935-12-01), Keefe
patent: 2465008 (1949-03-01), Carlson
patent: 3611760 (1971-10-01), Muther
patent: 3690130 (1972-09-01), Eutzler
patent: 3755778 (1973-08-01), Kennedy
patent: 3772645 (1973-11-01), Odenz et al.
patent: 3824540 (1974-07-01), Smith
patent: 3974492 (1976-08-01), Girismen
patent: 3990276 (1976-11-01), Shontz

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