Sawing direction positioning system for a jigsaw
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United States of America Patent
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N/A
Issued Date -
May 12, 2005
app pub date -
Sep 27, 2004
filing date -
Oct 10, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a sawing direction positioning system for a jigsaw which includes a light-emitting unit for emitting a planar light beam. The light-emitting unit has a power supply via a lead and positioned above the jigsaw so that the planar light beam emitted from the light-emitting unit coincides exactly with the plane of a saw blade mounted on the jigsaw. During sawing, the projection line of the planar light beam always projects on the wood to be sawed and is not obstructed by sawdust. The operator has a good visual field and pushes the wood to be sawed along a curve line drawn on the wood making sure that the projection line always keeps tangential to the curve line drawn on the wood and the saw blade always saws the wood along the projection line to prevent the kerf from offsetting and reducing thus reducing rejected products.
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