发明名称 |
Shank Structure of End Mill and Tool Holder |
摘要 |
In a shank portion of an end mill which is chucked by a tool holder, flat surfaces are formed at a plurality of circumferential positions in the outer periphery of the shank portion so that the flat surfaces abut on side lock bolts attached to a body of the tool holder. |
申请公布号 |
US2015054233(A1) |
申请公布日期 |
2015.02.26 |
申请号 |
US201414528458 |
申请日期 |
2014.10.30 |
申请人 |
NIKKEN KOSAKUSHO WORKS, LTD. |
发明人 |
NAKAI Eisaku;MAEMURA Suguru;MIKADO Susumu;ECKERSALL Steve |
分类号 |
B23B31/107;B23B31/00;B23B31/117 |
主分类号 |
B23B31/107 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
Daito-shi JP |