Tools – Tool jaw – Crossed handles
Patent
1993-10-25
1994-08-23
Meislin, D. S.
Tools
Tool jaw
Crossed handles
81420, 81396, 30192, 30257, 606205, 433159, B25B 700
Patent
active
053397126
ABSTRACT:
A hand tool is disclosed that includes a first handle that provides at one end a first hinge joint extending in a first direction and a hollow tube extending in the other direction. A fixed work element is attached at a distal end of the tube. A second handle is aligned with the first handle and provides a second hinge joint that extends in rotational engagement with the first hinge joint and includes a first set of gear teeth facing the tube. A hinge pin is pivotally engaged with and aligns the first and second hinge joints. As such, the second handle is rotatable toward and away from the first handle about the pin. A transfer rod is rotatably held within the hollow tube and extends therethrough to a movable work element that is positioned adjacent to the fixed work element. A toothed gear segment is fixed to the transfer rod and includes a second set of gear teeth that engages the first set of gear teeth. As such, as the second handle is rotated about the hinge pin, the first set of gear teeth drive the toothed gear segment to cause the rod to rotate within the hollow tube. The movable work element thereby approaches towards, and alternately retreats from, the fixed work element. The work elements may form any of a wide variety of tools, and the hollow tube and transfer rod may be of suitable length for positioning the work elements distally from the handles.
REFERENCES:
patent: 541294 (1895-06-01), Smith
patent: 1093726 (1914-04-01), Pearson et al.
patent: 1845798 (1932-02-01), Keiser, Jr.
patent: 2508805 (1950-05-01), Scott
patent: 3156980 (1964-11-01), Vosbikian
patent: 5157996 (1992-10-01), Keyvani
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