Invention Grant
- Patent Title: Ratchet with coated layer and the method for making the same
- Patent Title (中): 带涂层的棘轮及其制作方法
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Application No.: US13301765Application Date: 2011-11-21
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Publication No.: US08646363B2Publication Date: 2014-02-11
- Inventor: Cheng-Pu Yang , Sen-Yuan Hou
- Applicant: Cheng-Pu Yang , Sen-Yuan Hou
- Main IPC: B25B13/46
- IPC: B25B13/46 ; C25D7/00
Abstract:
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.
Public/Granted literature
- US20130125713A1 RATCHET WITH COATED LAYER AND THE METHOD FOR MAKING THE SAME Public/Granted day:2013-05-23
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