Adjustable socket wrench
OwnerEe J. Kiminventor
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Abstract
An improved adjustable socket wrench comprising a bifurcated base member having a threaded external surface, a plurality of elongated gripping arms having upper and lower apertures formed in said arms, a parallellogram linkage system connecting said gripping arms to said base member and serving to maintain said gripping arms in parallel relationship during movement, resilient means normally urging said linkage system and said gripping arms to a raised open position, and nut means mating with the threaded surface of said base member and serving to drive said linkage system and said gripping arms against the action of said resilient means to a clamping position.
Claims8
An adjustable socket wrench comprising:
- a bifurcated base having a threaded external surface,
- a plurality of elongated gripping members,
- a parallellogram linkage means connecting said gripping members to said base and maintaining said gripping members in parallel relationship during movement,
- resilient means normally urging said linkage system and said gripping members to a raised open position, and
- internally threaded nut means mating with said external surface of said base and actuable to drive said linkage system downward to cause said gripping members to clamp an article therebetween.
Dependencies are inferred from the claim text.