Communications: electrical – Land vehicle alarms or indicators – Of burglary or unauthorized use
Patent
1989-02-03
1990-09-11
Orsino, Joseph A.
Communications: electrical
Land vehicle alarms or indicators
Of burglary or unauthorized use
340689, 200 6152, 200 6183, B60R 2510
Patent
active
049566296
ABSTRACT:
A steel ball operated burglar proof device adapted for use in automobile, and particularly mounted on an engine hood and a trunk lid, which is actuated to work once the engine hood or trunk lid is tiltedly lifted at one end. The present device mainly includes a mounting seat and an actuation device with the latter attached on the former, and the former fixed to the inside of the engine hood or trunk lid. The actuation device is made up of a connection terminal, a washer, first and second water sealing rings, a rivet, a tiny steel ball all of which are housed in a torch-shaped metallic casing with the steel ball disposed at the bottom thereof. The connection terminal is coupled to an alarm so that the lifting of the engine hood or trunk lid can cause the tiny steel ball to roll toward the bottom of the rivet, and the contact of the steel ball with the rivet will make the alarm operate instantly.
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patent: 4467154 (1984-08-01), Hill
Orsino Joseph A.
Tumm Brian R.
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