Reciprocating saw and in particular a jig saw
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United States of America Patent
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Issued Date -
Aug 14, 2008
app pub date -
Jan 31, 2008
filing date -
Feb 9, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A reciprocatory saw and in particular a jig saw comprises a drive means for driving a saw blade with an elongated configuration to perform a reciprocating movement. The saw blade possesses two mutually parallel side faces and its leading edge is designed for working a workpiece with a sawing action. The back edge of saw blade is provided with a pendulum roller which is arranged on a pendulum roller holder which is carried on a pendulum axis for reciprocating pendulum movement and during operation performs a pendulum movement so that the saw blade performs a reciprocating movement with a modulating pendulum component. For the lateral guidance of the saw blade two guide elements are present which are arranged on a guide holder supported in a pivotal manner on the pivot axis parallel to the pendulum axis. The guide holder constitutes a support means for the rear edge of saw blade with the result that the guide holder performs, while keeping its alignment in relation to the saw blade, a reciprocating pivotal movement corresponding to the pendulum components of the reciprocating motion of the saw blade.
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