Tools – Wrench – screwdriver – or driver therefor – Wheel or endless track operated
Patent
1978-07-17
1980-07-08
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Wheel or endless track operated
85 32R, 85 45, B25B 1348
Patent
active
042111285
ABSTRACT:
The combination of a vehicle wheel lug nut and a wrench engagable with the nut to apply and remove the nut from a lug stud. The lug nut is formed with a hexagonal recess that receives a complimentary hexagonal wrench. A plurality of splines and grooves are interposed between the abutting surfaces of the recess and the wrench to code the wrench to the nut. This arrangement reduces the liklihood of theft of the vehicle wheel.
REFERENCES:
patent: 641191 (1900-01-01), Champion
patent: 2372269 (1945-03-01), Golan
patent: 3274838 (1966-10-01), Hamilton
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