Linear ratchet

Details Linear ratchet Linear ratchet

1983-07-22

1985-04-23

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 60, 81 5746, 74129, B25B 1300

Patent

active

045122172

ABSTRACT:
A ratchet wrench has a member provided with a graspable handle. Two toothed racks are mounted on the member and biased to move inwardly of a slot. A socket has a pawl-like toothed portion extending circumferentially thereabout and engaging both racks. The teeth of the racks are arranged to face in opposite directions. In use, the operator may move the member-handle combination linearly to impart rotary motion to the socket when in engagement with a workpiece.

REFERENCES:
patent: 739538 (1903-09-01), Fredson
patent: 2507681 (1950-05-01), Sage
patent: 2755619 (1956-07-01), Sheft
patent: 2896952 (1959-07-01), Wurm
patent: 3383962 (1968-05-01), Harris
patent: 4335853 (1982-06-01), Szemeredi
patent: 4339969 (1982-07-01), Hage

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