Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Patent
1998-10-09
2000-09-19
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
8117785, B25B 2316
Patent
active
061195596
ABSTRACT:
A socket wrench extension has an insertion member having a polygonal socket head with a lateral socket head surface. A receiving member with a polygonal receiving socket is provided. A joint connects the insertion member to the receiving member. A locking element is moveably connected within the insertion member such that the locking element partially projects from the lateral socket head surface. A pressure transmission member is axially movable in the insertion member. The pressure transmission member has a first end with a key head and a second end. The key head serves as an actuating member for the pressure transmission member. The second end transforms axial movement of the pressure transmission member into an outward movement of the locking element.
REFERENCES:
patent: 2987334 (1961-06-01), Wendling
patent: 4733584 (1988-03-01), Karge
patent: 5289745 (1994-03-01), Beardsley
patent: 5291809 (1994-03-01), Fox, III et al.
patent: 5433548 (1995-07-01), Roberts et al.
Hazet-Werk Hermann Zerver GmbH & Co. KG
Meislin D. S.
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