The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 09, 2017

Filed:

Jul. 07, 2014
Applicant:

Shanghai Easy-use Tools Enterprise Co. Ltd., Shanghai, CN;

Inventor:

Shiyu Sun, Shanghai, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B25B 15/04 (2006.01); F16D 41/12 (2006.01); F16D 41/18 (2006.01);
U.S. Cl.
CPC ...
B25B 15/04 (2013.01); F16D 41/125 (2013.01); F16D 41/185 (2013.01);
Abstract

The present invention discloses a ratchet device, cylindrical through holes are arranged at the center of the pawl base and switch-shift cover, the rod body passes through the cylindrical through hole of the pawl base and switch-shift cover, two oblique openings are arranged on the pawl base, a transverse slot is arranged on one side of the periphery of the pawl base, a ratchet base is arranged on the rod body, a ratchet is arranged at one end of the periphery of the ratchet base, the claw of the pawl engages with the ratchet of the ratchet base in an up-down way, a flange is arranged on the external of the pawl. The ratchet structure is configured to achieve the up-and-down motion on the vertical direction, which is convenient for users, easy to use, excellent in saving strength and in improving work efficiency.


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