Adjustable socket for a wrench

Details Adjustable socket for a wrench Adjustable socket for a wrench

1986-06-18

1988-07-19

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Plural pivoted jaws and handle-lever

81128, 81 903, 81 906, B24B 300

Patent

active

047577290

ABSTRACT:
An adjustable socket for turning threaded fasteners that have polygonal heads includes a core member detachably connectable to a fastener driving tool, and a pair of jaw members flanking the core member and supported thereon for longitudinal movement have forward gripping portions defining a socket. Inner surface portions of the jaw members ride on the core member to increase the span of the socket as the jaws move rearwardly on the core member, and a longitudinal slot in each jaw member cooperates with a headed stud on the core to limit the span of the socket. A compression spring surrounding the core member biases the jaw members forwardly.

REFERENCES:
patent: 2555836 (1951-06-01), Werich
patent: 2850931 (1958-09-01), Conway
patent: 4520698 (1985-06-01), Martinmaas

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