Combination tool

Details Combination tool Combination tool

1980-10-23

1985-11-12

Parker, Roscoe V.

Compound tools

Wrench

7158, 7165, 81437, B25F 300

Patent

active

045518750

ABSTRACT:
A combination tool having a central shaft which may be rotated by a power tool. The shaft has a drill bit mounted in its front end so that rotation of the shaft causes rotation of the bit. The shaft is fitted in the bore of a sleeve or tube, the tube having a nut driver socket head at its front end. By advancing the tube on the shaft, complementary flats on the shaft and in the rear of the tube are mated to couple the shaft to the tube in a driving relation. The tube may be advanced to recess the drill bit within the tube to free the socket for use in a socket driving tool.

REFERENCES:
patent: 928312 (1909-07-01), Lloyd
patent: 1203853 (1916-11-01), Contal
patent: 1365851 (1921-01-01), Reynolds
patent: 2438633 (1948-03-01), Condor
patent: 3336611 (1967-08-01), Schepp
patent: 3452373 (1969-07-01), Vosbikian et al.
patent: 3932904 (1976-01-01), Nilsson et al.
patent: 3965510 (1976-06-01), Ernst

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