Portable Power Tool with Drive Shaft Lock Means
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United States of America Patent
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N/A
Issued Date -
May 21, 2009
app pub date -
May 7, 2007
filing date -
May 9, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A portable power tool with a rotation motor (11) drivingly connected to a working implement carrying chuck (16) via a drive shaft (13), wherein a rotation locking mechanism (19) is arranged to lock the drive shaft (13) for enabling tightening or loosening the chuck (16) at attachment or removal of a working implement, wherein axial key surfaces (31) on the drive shaft (13) are arranged to be selectively engaged by mating key surfaces (32) on an axially movable but substantially non-rotative coupling unit (33,34) as the latter is shifted from an inactive rest position to an active position.
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Family
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Cited Art Landscape
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