Linkage drive mechanism for a reciprocating tool
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United States of America Patent
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Oct 19, 2010
Grant Date -
Aug 14, 2008
app pub date -
Feb 13, 2007
filing date -
Feb 13, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Preferred embodiments of a reciprocating drive apparatus are disclosed that comprise a housing, a rotatable drive shaft assembly located in the housing an elongated plunger located in the housing for reciprocating motion, the plunger having a front end portion for attaching a tool thereto, a rotary joint rocker mechanism supported in the housing and operatively connected to the plunger and the drive shaft assembly so that rotation of the drive shaft assembly produces reciprocating motion of the plunger. Another preferred embodiment includes a reciprocating counterweight.
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