Method for making a vehicle anti-theft key with resistor

Details Method for making a vehicle anti-theft key with resistor Method for making a vehicle anti-theft key with resistor

1990-12-13

1992-01-28

Gorski, Joseph M.

Metal working

Method of mechanical manufacture

Assembling or joining

29515, 70278, 70460, B23P 1904, E05B 4900, E05B 1900

Patent

active

050833626

ABSTRACT:
A key with a resistor pellet is assembled by mechanically inserting the pellet into a suitable aperture in the key and displacing a portion of the key material into the body of the pellet by compressing the key around the perimeter of the pellet in a swaging process. The pellet is automatically selected from a plurality of pellets having a plurality of distinctive resistance properties. The pellet is tested to determine conformance with a pre-selected resistance property prior to insertion in the key. After insertion and swaging of the pellet in the key, the resistance properties of the pellet are reconfirmed.

REFERENCES:
patent: 1438839 (1922-12-01), Levey
patent: 4663952 (1987-05-01), Gelhard
patent: 4734693 (1988-03-01), Dluhosch et al.
patent: 4868409 (1989-09-01), Tanaka et al.

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