Universal rotary blade holder for sharpener
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United States of America Patent
Stats
-
Mar 1, 2011
Grant Date -
Mar 19, 2009
app pub date -
Sep 18, 2007
filing date -
Sep 18, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blade-sharpening machine for sharpening any one of various sizes of rotary blades comprises a drive unit and a universal blade chuck for holding the blade to be sharpened. The drive unit further includes a sharpening assembly that sharpens the blade while the drive unit rotates the blade chuck. The blade chuck includes a chassis and jaws that are circumferentially spaced about the chassis and are shiftably attached thereto for securing the rotary blade. A spring-loaded fastener normally urges the jaws radially inwardly into engagement with the blade. A centrally-positioned cam is operable to shift the jaws simultaneously so that the blade can be selectively secured on the blade chuck.
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