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.

Patent No.:

US 9486934 B1

Date of Patent:

Nov. 08, 2016

Filed:

Aug. 05, 2013

Accessory clamping mechanism and power tool having the same

Applicant:

Chervon (Hk) Limited, Wanchai, HK;

Inventor:

Hongtao Zhou, Nanjing, CN;

Assignee:

Chervon (HK) Limited, Wanchai, HK;

Attorney:

Greenberg Traurig, LLP

Primary Examiner:

Scott A Smith

Int. Cl.

CPC ...

B24B 23/04 (2006.01); B27B 19/00 (2006.01); B27B 5/32 (2006.01); B23Q 3/14 (2006.01); B24B 45/00 (2006.01); B25F 5/00 (2006.01); B24B 23/02 (2006.01);

U.S. Cl.

CPC ...

B27B 19/006 (2013.01); B23Q 3/14 (2013.01); B24B 23/04 (2013.01); B24B 45/006 (2013.01); B25F 5/00 (2013.01); B27B 5/32 (2013.01); B24B 23/022 (2013.01); Y10T 279/33 (2015.01);

Abstract

An accessory clamping mechanism for clamping an accessory to a working mandrel having a mandrel flange. The accessory clamping mechanism includes: a fastening flange; a driving device for forcing the fastening flange to move between a released position in which the accessory can be removed between the mandrel flange and the fastening flange and a clamped position in which the accessory is clamped between the mandrel flange and the fastening flange; a pushing member connected to the fastening flange; and a first elastic member by which the fastening flange is biased towards the clamped position; wherein the pushing member is arranged on one side of the working mandrel.

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