Compound tool

Details Compound tool Compound tool

1992-11-03

1994-05-24

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

811776, 811243, 7138, 7165, B25P 100

Patent

active

053138600

ABSTRACT:
A tool includes a head portion formed on an elongated body, and one or more screw driver shanks pivotally engaged on the body. The head portion includes two engaging surfaces communicated with each other and having different sizes in order to drive objects of different sizes.

REFERENCES:
patent: 851428 (1907-04-01), Morrill
patent: 1072479 (1913-09-01), Martindale
patent: 1369829 (1921-03-01), Minges
patent: 2471593 (1949-05-01), Toye
patent: 3931749 (1976-01-01), Evans

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