Push broach
AssigneesHon Hai Precision Industry Co., Ltd., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
InventorWEN-WU XU
Life of this patent
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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.
Claims20
A push broach, for machining a quadrilateral hole or a quadrilateral groove, the push broach comprising a shank portion and a cutting portion connected to the shank portion, wherein the cutting portion comprises at least one pair of cutting teeth comprising a first cutting tooth and a second cutting tooth arranged substantially parallel to the first cutting tooth, the first cutting tooth comprises a pair of first cutting edges at two opposite edges thereof, the second cutting tooth comprises a pair of second cutting edges at two opposite edges thereof, when viewed from an end of the shank portion, each second cutting edges interconnects the pair of first cutting edges, 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.
A push broach, for machining a polygon hole or a polygon groove, the push broach comprising a shank portion, and a cutting portion connected to the shank portion, wherein the cutting portion comprises at least one pair of cutting teeth comprising a first cutting tooth and a second cutting tooth arranged substantially parallel to the first cutting tooth, the first cutting tooth comprises at leas one first cutting edge along a periphery thereof, the second cutting tooth comprises at leas one second cutting edge along a periphery thereof, when viewed from an end of the shank portion, the at least one first cutting edge connects with the at least one second cutting edge, and the at least one first cutting edge and the at least one second cutting edge cooperatively enclose the periphery of the first cutting tooth.
Dependencies are inferred from the claim text.