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:
Jun. 23, 2015

Filed:

Nov. 17, 2010
Applicants:

Gen Ogawa, Okazaki, JP;

Joji Isozumi, Aichi-ken, JP;

Osamu Nagai, Nagoya, JP;

Inventors:

Gen Ogawa, Okazaki, JP;

Joji Isozumi, Aichi-ken, JP;

Osamu Nagai, Nagoya, JP;

Assignee:

FUJI MACHINE MFG. CO., LTD., Chiryu-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 31/177 (2006.01); B23B 31/28 (2006.01); B23B 3/06 (2006.01); B23Q 3/152 (2006.01);
U.S. Cl.
CPC ...
B23B 31/28 (2013.01); Y10T 279/1986 (2015.01); Y10T 279/29 (2015.01); Y10T 82/2511 (2015.01); B23B 3/06 (2013.01); Y10T 279/10 (2015.01); Y10T 279/19 (2015.01); Y10T 279/1993 (2015.01); Y10T 279/21 (2015.01); Y10T 279/23 (2015.01); B23B 31/16233 (2013.01); B23B 31/16266 (2013.01); B23B 2270/38 (2013.01); B23Q 3/152 (2013.01);
Abstract

A chuck including: (a) a main body; (b) three slot-defining members each constituted by a member independent of the main body and defining therein a guide slot, and detachably attached to the main body; (c) three jaws each including (c-1) a fitted portion slidably fitted in the guide slot defined in the corresponding slot-defining member and (c-2) an engaging portion which projects from the fitted portion in an axial direction and which is configured to engage with a circumferential surface of an object that is to be held by the chuck; and (d) three pairs of pressing members detachably fixed to the three slot-defining members. Each pair of the three pairs of pressing members engage with the fitted portion of the corresponding jaw, for thereby preventing separation of the fitted portion of the corresponding jaw from the guide slot defined in the slot-defining member.


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