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. 17, 2016

Filed:

Aug. 08, 2013
Applicant:

Chervon (Hk) Limited, Wanchai, HK;

Inventors:

Guosheng Xu, Nanjing, CN;

Georgi Severinets, Nanjing, CN;

Hongtao Zhou, Nanjing, CN;

Assignee:

Chervon (HK) Limited, Wanchai, HK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27B 19/00 (2006.01); B25F 5/00 (2006.01); B27B 5/30 (2006.01); B27B 5/32 (2006.01);
U.S. Cl.
CPC ...
B25F 5/00 (2013.01); B27B 5/30 (2013.01); B27B 5/32 (2013.01); B27B 19/006 (2013.01); Y10T 279/33 (2015.01);
Abstract

An accessory clamping mechanism for clamping an accessory to a working mandrel of a power tool wherein the working mandrel has a mandrel flange and a first longitudinal axis. The accessory clamping mechanism includes: at least one clamping member; a thrust member for supporting the clamping member; an elastic member by which the thrust member is biased towards a clamped position; a driving assembly for forcing the thrust member and the clamping member to move along the first longitudinal axis, the driving assembly comprising a driving member moved between a first position in which the accessory is in the clamped position and a second position in which the accessory is in a released position, the thrust member and the clamping member being driven by the driving member to move along the first longitudinal axis; and a motion converting member for driving the clamping member to move in a direction different from the first longitudinal axis.


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