Open ended rachet wrench

Details Open ended rachet wrench Open ended rachet wrench

1997-01-16

1998-06-23

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81179, B25B 1300

Patent

active

057689580

ABSTRACT:
An open ended ratchet wrench comprises a head with an upper plate and a lower plate, the upper and lower plates being coupled together by a plurality of screws, the upper and lower plates each having an outboard end including a large recess extending therein, the recess and outboard end defining first and second arm members formed contiguously with a central region therebetween; the first arm of the upper plate including a generally rectangular shaped bore defining a first key track, the first key track including a first resilient device therein, a first key having a proximal end and an angled distal end, the first key being slidably positioned within the first key track and coupled to the first resilient device, the distal end extending outside the key track; the second arm including a second key track extending therethrough, a second key formed in a generally rectangular configuration with an angular interior end and an exterior end, the second key being slidably positioned within the second key track, the second key being coupled to a second resilient device.

REFERENCES:
patent: 1308440 (1919-07-01), Morrison
patent: 2592781 (1952-04-01), Yavner
patent: 2700315 (1955-01-01), Hermanson
patent: 2715259 (1955-07-01), Cowell
patent: 2795160 (1957-06-01), Blasdell
patent: 2879681 (1959-03-01), Blasdell
patent: 3858467 (1975-01-01), Evans
patent: 4440047 (1984-04-01), Robbins

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