发明名称 Barfield's non-slip spur
摘要 The "Barfield Non-Slip Spur" has the unique recessed chamber compartment that allows for stock to be inserted into the chamber for holding prior to the turning process. This feature does not allow slippage, boring, or splitting of the stock. Small length stock can be turned without the tail stock center
申请公布号 US2002062722(A1) 申请公布日期 2002.05.30
申请号 US20000726248 申请日期 2000.11.30
申请人 BARFIELD JOHN WILLIAM 发明人 BARFIELD JOHN WILLIAM
分类号 B23B23/02;(IPC1-7):B23B25/00;B23B31/00 主分类号 B23B23/02
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