Motor vehicles – Surface effect vehicles
Patent
1977-05-12
1979-05-22
Silverstrim, John P.
Motor vehicles
Surface effect vehicles
70236, 70255, 123198B, 200 19L, 200 45, 200 6164, 307 10AT, B60R 2504
Patent
active
041554205
ABSTRACT:
A device for preventing the theft of a motor vehicle employs a casing that encloses the vehicle's distributor in a virtually impenetrable shell. A stack of rotatable discs in the casing must be properly set in the manner of a combination lock to enable the high voltage electrical signals from the distributor to fire the spark plugs of the engine. The discs in the casing are set by dials within the passenger compartment of the vehicle. The discs have contacts on their surfaces which align when the discs are properly set to provide electrical paths from the distributor to electrical connectors outside the casing. The high voltage electrical ignition harness wires for the spark plugs are attached to those outside connectors. A cover is secured to the casing in a manner that enables the casing to be opened only when the discs are aligned in a pre-established relation, which can be different from the relation that enables the engine to be started.
REFERENCES:
patent: 1438388 (1922-12-01), Mayer
patent: 2021166 (1935-11-01), Bickel
patent: 2133799 (1938-10-01), Bickel
patent: 2439155 (1948-04-01), Wilkes
patent: 3010531 (1961-11-01), Flora
patent: 3343625 (1967-09-01), Scheuermann
patent: 3669211 (1972-06-01), Gilgoff
patent: 3773138 (1973-11-01), Killmeyer
patent: 3820361 (1974-06-01), Leitner
patent: 3902075 (1975-08-01), Oros
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