Anti-theft system for articles secured by recessed socket head t

Details Anti-theft system for articles secured by recessed socket head t Anti-theft system for articles secured by recessed socket head t

1987-12-30

1989-03-07

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

81460, 411402, 411910, B25B 1306

Patent

active

048095699

ABSTRACT:
An anti-theft system is provided for articles such as modular equipment installed into vehicles with Allen type machine bolts. The system employs a monolithic insert member which is bonded within the hexagonally contoured depression in the head of the machine bolt, and has a protruding portion having a distinctively shaped keying configuration. A turning tool is provided having a handle and a shaft. The distal extremity of the shaft has a recess having a configuration adapted to receive the keying configuration of the insert member.

REFERENCES:
patent: 465175 (1891-12-01), Geisirge
patent: 2248695 (1941-07-01), Bradshaw
patent: 3134291 (1964-05-01), Barrey

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