Extension apparatus and method for open ended wrench

Tools – Wrench – screwdriver – or driver therefor – Handle or shank

Patent

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Details

8117785, 811801, 811211, B25B 2300

Patent

active

052169405

ABSTRACT:
An extension device open ended wrench permits an auxiliary wrench to be attached either above or below an open end of the wrench to lengthen the wrench handle and apply a torque to the wrench.

REFERENCES:
patent: 1119900 (1914-12-01), Vacarezza
patent: 3376768 (1968-04-01), Fortunato
patent: 4817475 (1989-04-01), Kelley et al.

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