Bolt extracting tool

Details Bolt extracting tool Bolt extracting tool

1986-07-18

1987-12-22

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Stud-removal and implacement

81 5733, 81186, 408206, B25B 1350

Patent

active

047139900

ABSTRACT:
The biting edges of a toothed bit are forced into a damaged bolt or the like and rotated by operation of an impact wrench coupled to the toothed bit to rotationally disengage and extract the damaged bolt.

REFERENCES:
patent: 906040 (1908-12-01), Lucas
patent: 1041440 (1912-10-01), Decker
patent: 1093252 (1914-04-01), Carnes
patent: 1179680 (1916-04-01), Tallyn
patent: 1785847 (1930-12-01), Valentine
patent: 2622466 (1952-12-01), Vanden Bos et al.
patent: 2750821 (1956-06-01), Hilsinger
patent: 3157074 (1964-11-01), Durkee

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