发明名称 |
Ratchet with coated layer and the method for making the same |
摘要 |
A ratchet includes multiple ratchet teeth defined in the outer periphery thereof and a coated layer is coated along the outer periphery of the ratchet. A laser device is used to generate a laser beam to remove a part of the coated layer to defined openings in the coated layer and the ratchet teeth protrude from the openings. |
申请公布号 |
US8646363(B2) |
申请公布日期 |
2014.02.11 |
申请号 |
US201113301765 |
申请日期 |
2011.11.21 |
申请人 |
YANG CHENG-PU;HOU SEN-YUAN |
发明人 |
YANG CHENG-PU;HOU SEN-YUAN |
分类号 |
B25B13/46;C25D7/00 |
主分类号 |
B25B13/46 |
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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