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:
Oct. 07, 2003

Filed:

Nov. 21, 2000
Applicant:
Inventors:

Koichi Asai, Chiryu, JP;

Yasumoto Shioya, Takahama, JP;

Kazuo Amano, Okazaki, JP;

Nobuyuki Teshi, Okazaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 3/126 ;
U.S. Cl.
CPC ...
B23B 3/126 ;
Abstract

A chuck apparatus including a chuck, and a power-driven device which selectively places the chuck in an object-hold state thereof in which the chuck holds an object, and an object-release state thereof in which the chuck releases the object, the power-driven device including, as a power source thereof, an electric motor.


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