Communications: electrical – Selective – Having indication or alarm
Patent
1974-10-07
1977-02-01
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
307 10AT, 200 6152, B60R 2510
Patent
active
040064522
ABSTRACT:
For use as an anti-theft alarm for a motorcycle, an electrical alarm device has a casing for securing to the frame of the motorcycle. The casing contains a rechargeable battery, an electric horn, a mercury tilt-switch, and a key-operable switch accessible from the exterior of the casing. The circuit can be set to "live" by use of a key, and the mercury tilt-switch is so disposed in relation to the frame of the motorcycle that, when the motorcycle is raised into an upright position, the mercury tilt-switch is closed to complete the current circuit to the horn. The key-operable switch may have a second position in which it disconnects the horn circuit, and connects the battery across a current outlet in the wall of the casing, for take-off of current or for connection of means for charging the battery. The casing may include an amp-hour meter connected, in the second position of the switch, in parallel across the poles of the battery.
REFERENCES:
patent: 3673562 (1972-06-01), Buell
patent: 3824541 (1974-07-01), Nolan
Drucker William Anthony
Waring Alvin H.
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