发明名称 |
Rotatable, adjustable-width bar bit |
摘要 |
A bit has two cheeks which are rotatably mounted in respective sleeves. The sleeves are connected to one another by a mouth having an adjustable width. Each of the sleeves is rotatable independently of the other on an axis extending in a direction from one of the sleeves to the other.
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申请公布号 |
US6105346(A) |
申请公布日期 |
2000.08.22 |
申请号 |
US19980173886 |
申请日期 |
1998.10.16 |
申请人 |
EASTWEST INTERNATIONAL ENTERPRISES |
发明人 |
HSI-CHANG, CHANG |
分类号 |
B68B1/06;(IPC1-7):B68B1/06 |
主分类号 |
B68B1/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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