Rotary coupling head using cutting blades and cutting devices comprising such a coupling head
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United States of America Patent
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-
Mar 1, 2016
Grant Date -
Oct 17, 2013
app pub date -
Apr 18, 2011
filing date -
Apr 21, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A rotary coupling head for use with a portable cutting device has a blade-supporting housing, an axial motor drive shaft connected to the blade-supporting housing so as to be rotatable with the blade-supporting housing, an interchangeable cutting blade mounted on the blade-supporting housing so as to rotate with the rotation of the blade-supporting housing. The cutting blade is engaged around the drive shaft such that the cutting blade and the housing are axially displaceable along the drive shaft. A coupler on the housing is automatically actuated upon the axial displacement of the cutting blade and the housing on the drive shaft.
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