Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Patent
1992-05-11
1993-04-06
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
811777, B25G 106
Patent
active
051993350
ABSTRACT:
A locking flex-head wrench has a handle pivotably connected to a tool head, and an improved locking mechanism comprising a unitary locking spool seated within the handle and conveniently manipulated to lock or unlock the tool head at a desired angular position with respect to the handle. The locking mechanism is of simple design and can be manufactured, assembled, and repaired at minimum expense.
REFERENCES:
patent: 1155937 (1915-10-01), Lerfald
patent: 1286506 (1918-12-01), Beery
patent: 4711145 (1987-12-01), Inoue
Arnold Robert L.
Diffenderfer James D.
Taggart Kenneth J.
Bloom Leonard
Easco Hand Tools Inc.
Meislin D. S.
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