Socket wrench drill attachment

Details Socket wrench drill attachment Socket wrench drill attachment

1989-07-13

1991-04-30

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 60, 81 63, 81 631, B25B 1300

Patent

active

050107925

ABSTRACT:
A ratchet wrench having an auxiliary triangular cross-sectioned stub shaft projecting therefrom for engagement in the chuck of a power drill. With the ratchet held in one hand, the power drill can be operated with the person's other hand to rapidly spin a nut or bolt off of (or onto) a threaded work member. The ratchet wrench can be operated alone (with the drill removed), to achieve a manual torquing or unloosening of the nut or bolt. The invention reduces the time required to install or remove a nut or bolt.

REFERENCES:
patent: 455484 (1891-07-01), Fosburgh et al.
patent: 951056 (1910-03-01), Clark
patent: 1209320 (1916-12-01), Morneweck
patent: 1605776 (1926-11-01), Richards
patent: 1816968 (1931-08-01), Greutman et al.
patent: 3572188 (1971-03-01), Christian
patent: 4781083 (1988-11-01), Cummings

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