Brakes – Operators – Fluid pressure
Patent
1985-08-19
1987-07-07
Butler, Douglas C.
Brakes
Operators
Fluid pressure
303 89, B60R 2508, B60T 1716
Patent
active
046780688
ABSTRACT:
Automobile theft is running rampant throughout the country, and many automobile stealing organizations are well organized, and have the necessary techniques to enable them to select and steal virtually any automobile. In a matter of a few hours they can change numbers, and other identifying data and give the automobile a new identity and appearance so that the automobile can be quickly sold at somewhat reduced prices. The overall profits are indeed very substantial. We have devised a theft proof locking system, including a key operated unit, which can be positioned at any desired location in the vehicle, and is operable to fully apply the brakes to all four wheels of the vehicle. This renders the vehicle immobile, even though the engine can be started and run. The only way that this locking system can be rendered inoperable is by the act of unlocking it with the key. It is therefore impossible to move the vehicle without lifting it bodily to load it onto a trailer or transport.
REFERENCES:
patent: 2732859 (1956-01-01), Chace
patent: 2964141 (1960-12-01), Schlumbrecht
patent: 3617100 (1971-11-01), Wrigley et al.
patent: 3617663 (1971-11-01), Whittemore
patent: 3653730 (1972-04-01), Cvetkovich
patent: 4010984 (1977-03-01), Coleman
patent: 4018314 (1977-04-01), Richmond et al.
Fischer Walter
Matthews Thomas A.
Petzwinkler Lucas
Butler Douglas C.
Wilson Alfred E.
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