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:
Apr. 28, 2020

Filed:

Jul. 27, 2018
Applicant:

Positec Power Tools (Suzhou) Co., Ltd., Suzhou, Jiangsu, CN;

Inventors:

Mingjian Xie, Suzhou, CN;

Fei Wang, Suzhou, CN;

Shangliang Run, Suzhou, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 31/12 (2006.01); B23B 31/28 (2006.01);
U.S. Cl.
CPC ...
B23B 31/1238 (2013.01); B23B 31/12 (2013.01); B23B 31/28 (2013.01); B23B 2231/44 (2013.01); B23B 2231/52 (2013.01); Y10T 279/26 (2015.01);
Abstract

The invention relates to a chuck having a sleeve, a chuck body, a plurality of chuck jaws, an adjusting mechanism configured to adjust relative movement between the chuck jaws and the chuck body, at least one locating member and a pushing mechanism. The locating member is disposed on the chuck body between the adjacent chuck jaws. When the adjusting mechanism drives the chuck jaws to approach to each other relative to the longitudinal axis, the pushing mechanism pushes the locating member to move towards the longitudinal axis. When the adjusting mechanism drives the chuck jaws to move away from each other relative to the longitudinal axis, the pushing mechanism pushes the locating member to move away from the longitudinal axis. Therefore, the operation is more convenient and safer; the aligning effect is precise and reliable, and the pre-tightening force is stable.


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