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US Patent: 5,335,586
Handle Linkage
Mark R. Casto - Washington Court House, OH
Jeffrey A. Batten - Piqua, OH
Raymond J. Mathieu - Ludlow Falls, OH

USPTO Classifications:
74/105, 74/106, 74/524, 92/140

Tool Categories:
tool handles

Mac Tools, Inc. - Washington Court House, OH

Not known to have been produced

none listed

Patent Dates:
Applied: Sep. 10, 1992
Granted: Aug. 09, 1994

Patent Pictures:
USPTO pdf tiff
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Mac Tools History
Porter, Wright, Morris & Arthur - patent attorneys


A handle linkage including two handle arms rotatably secured to each other, while one handle arm is attached to the body of a tool and the other handle arm is attached to an actuatable member of the tool. One or more links connect the actuatable member to the second handle arm allowing for substantially linear movement of the actuatable member into the body of the tool.

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