Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent
1984-08-01
1985-11-19
Jones, Jr., James L.
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
403328, 8117785, B25B 1300
Patent
active
045534535
ABSTRACT:
A friction mechanism and a fixture-securing and releasing mechanism, disclosed in the context of a stepless, free-wheeling wrench with thumb-actuated reverse mechanism, speed-wheel, and socket release. The wrench includes a driving member in the form of a wrench head. Mounted for relative rotational movement within a cavity provided in the head is a driven member in the form of a friction wheel assembly which terminates in a drive tang for releasably receiving a hollow socket member. The wrench also includes a speed-wheel forming part of the friction wheel assembly. The speed-wheel is conveniently located on the side of the wrench opposite to that of the drive tang. Concentric with the speed-wheel is a plunger, which together with a disc located in the drive tang, forms a part of a quick release mechanism that allows a socket to be simply pushed into position with relatively low force, while requiring relatively high force to pull the socket off the tang prior to pushing a release button. Located on the same side of the housing as the speed-wheel, but spaced therefrom, is a thumb switch which is movable into one of three positions in order to determine in which direction the friction wheel assembly will turn in response to a force supplied to the handle of the wrench.
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Dempsey Jock D.
Dempsey John D.
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