PUSH BROACH
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jun 20, 2013
app pub date -
Dec 7, 2012
filing date -
Dec 14, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A push broach, for machining a quadrilateral hole or quadrilateral groove, includes a shank portion and a cutting portion connected to the shank portion. The cutting portion includes at least one pair of cutting teeth including a first cutting tooth and a second cutting tooth arranged substantially parallel to the first cutting tooth, the first cutting tooth includes a pair of first cutting edges at two opposite edges thereof, the second cutting tooth includes a pair of cutting edges at two opposite edges thereof, when viewed from an end of the shank portion, each second cutting edge interconnects the pair of first cutting edge, and the pair of the first cutting edges and the pair of second cutting edges cooperatively form a quadrangle enclosing a periphery of the first cutting tooth.
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