Rotary wrenching tool

Details Rotary wrenching tool Rotary wrenching tool

1993-05-12

1995-02-14

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

811211, B25B 1306

Patent

active

053884868

ABSTRACT:
Rotary wrenching tools are sized, in one embodiment, to strongly and adequately receive heads of fastening members of two or more nominal sizes having maximum size ratios in the approximate size ranges of 1.0053-1.1430 for square heads and 1.0053-1.0600 for hexagonal heads. Visible indicia of the sizes of at least two different fastener head sizes are carried adjacent each opening.

REFERENCES:
patent: 3027790 (1962-04-01), Wagner
patent: 3079819 (1963-03-01), Wing
patent: 3125910 (1964-03-01), Kavalar
patent: 3495485 (1966-04-01), Knudsen
patent: 3675516 (1972-07-01), Knudsen et al.
patent: 3695124 (1972-10-01), Myers
patent: 3916736 (1974-08-01), Clemens
patent: 3948120 (1976-04-01), Hancock
patent: 4100824 (1978-07-01), Marschke
patent: 4512220 (1985-04-01), Barnhill, III et al.
patent: 4598616 (1985-09-01), Colvin
patent: 4646594 (1987-03-01), Tien

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