发明名称 Stamped bevel gear
摘要 A method of manufacturing gear forms comprising cold forming metal stock to produce a workpiece having a protruding hub portion with a central opening, impressing indentations in the hub portion by means of appropriate dies, boring and counterboring the region around the hub portion, and modifying the central opening according to the configuration of a shaft to be received thereby.
申请公布号 US4254540(A) 申请公布日期 1981.03.10
申请号 US19780894538 申请日期 1978.09.27
申请人 BILAK, WILLIAM 发明人 BILAK, WILLIAM
分类号 B21D53/28;B21K1/30;B23P15/14;(IPC1-7):B21D53/28 主分类号 B21D53/28
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