Ratcheting adjustable wrench

Details Ratcheting adjustable wrench Ratcheting adjustable wrench

2009-03-11

2011-11-15

Meislin, Debra S (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S405000, C081S356000, C081S363000, C081S408000, C081S358000

Reexamination Certificate

active

08056446

ABSTRACT:
The invention is a ratcheting open ended wrench comprising a main body having an elongate primary handle portion and an upper stationary jaw element, a secondary handle opposed to the primary handle portion and having a binding surface at the top being pivotally attached to the main body, a tertiary handle pivotally attached to the main body having a gear element cooperating with a geared end of a connecting rod, the opposing end pivotally and slidably fixed to a lower movable jaw assembly, the lower movable jaw assembly being spring biased against the upper stationary jaw and positioned within a main body guide slot so that the secondary handle binding surface contacts the lower jaw assembly and activation of the secondary handle clamps the lower movable jaw assembly relative to the upper stationary jaw. Activation of the tertiary handle counteracts the lower movable jaw spring bias to open the jaws.

REFERENCES:
patent: 531125 (1894-12-01), Lind
patent: 824082 (1906-06-01), Reynolds
patent: 1181654 (1916-05-01), Eifel
patent: 3505915 (1970-04-01), Rydell
patent: 5140876 (1992-08-01), Fields
patent: 5385072 (1995-01-01), Neff

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