Open end wrench with removable handle

Details Open end wrench with removable handle Open end wrench with removable handle

1995-07-26

1996-12-10

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

8117785, 811778, 81186, B25B 1308

Patent

active

055820832

ABSTRACT:
An extensible wrench handle that can be used with a removable wrench head. The wrench handle has a cross beam shaped primary handle over which an extension may be slid to various positions for increasing or decreasing torque. The wrench handle is also provided with a flexible head that is pivotal about a forward end of the primary handle. The flex head has a substantially square drive post which protrudes from a flat surface of the flex head, the edges of the drive post being convex curved surfaces. The wrench head is an open end wrench that has upper and lower jaws that are joined by a web. A neck is joined to the web and has a drive hole which extends through the neck. The drive hole is defined by sidewalls which are convex arcuate surfaces.

REFERENCES:
patent: 2685219 (1954-08-01), Diebold
patent: 3242775 (1966-03-01), Hinkle
patent: 4774862 (1988-10-01), Scull
patent: 4889020 (1989-12-01), Baker
patent: 5219392 (1993-06-01), Ruzicka et al.
patent: 5239899 (1993-08-01), Baker

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