Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Patent
1986-05-12
1991-01-08
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
403 10, 279 83, B25B 2300
Patent
active
049826328
ABSTRACT:
A socket having a polygonal cavity at its front end and an inner drive tool unit in the recess. The set includes a single socket and a plurality of units of different sizes, each unit including a wafer and an inner drive tool element. All the wafers have the same external dimensions, but the inner drive tool elements are of different sizes. Another form includes a plurality of units, each including a socket and an inner drive tool element, semi-fixed together.
REFERENCES:
patent: 2541196 (1951-02-01), Brague
patent: 2667194 (1954-01-01), Fischer et al.
patent: 2878701 (1959-03-01), Weersman
patent: 3255792 (1966-06-01), Beck
patent: 3588135 (1971-06-01), Porter
patent: 3841646 (1974-10-01), Bennett
patent: 3850056 (1974-11-01), Allen
patent: 4084454 (1978-04-01), Day
patent: 4328720 (1982-05-01), Shiel
Gallagher Paul H.
Meislin D. S.
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