Invention Grant
- Patent Title: Single direction mechanism of a ratchet wrench
- Patent Title (中): 棘轮扳手的单向机构
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Application No.: US13163766Application Date: 2011-06-20
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Publication No.: US08596170B2Publication Date: 2013-12-03
- Inventor: Cheng-Pu Yang
- Applicant: Cheng-Pu Yang
- Priority: TW99212576U 20100702
- Main IPC: B25B13/46
- IPC: B25B13/46
Abstract:
The present invention discloses a single direction ratchet wrench which comprises a main body, a ratchet wheel, a pawl, an elastic element and a clip. The ratchet wheel and the pawl are lodged within the main body. The pawl has retaining cogs, concave surfaces and recess. One end of the elastic element is lodged within the second housing and the other end within the recess. The elastic element pushes the pawl with a particular angle so that the retaining cogs of the pawl are engaged with the ratchet teeth.
Public/Granted literature
- US20120000323A1 SINGLE DIRECTION MECHANISM OF A RACHET WRENCH Public/Granted day:2012-01-05
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