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:
Mar. 07, 2006

Filed:

May. 16, 2003
Applicants:

Akio Nakata, Tokyo, JP;

Masakazu Tetsuka, Tokyo, JP;

Noboru Sakamoto, Tokyo, JP;

Katsuhiro Ono, Tokyo, JP;

Inventors:

Akio Nakata, Tokyo, JP;

Masakazu Tetsuka, Tokyo, JP;

Noboru Sakamoto, Tokyo, JP;

Katsuhiro Ono, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A workpiece cradle and a clamp arm is provided, and an arm opening/closing cylinderfor opening and closing the clamp arm and the workpiece cradle are attached to a moving block. To a workpiece-cradle driving cylinderprovided with a piston rodfor driving the moving block, fluid is supplied from workpiece-cradle driving supply/discharge portsandformed in a manifold block. To the moving block, guide rodsandare fixed and, to the arm opening/closing cylinder, fluid is supplied, from arm driving supply/discharge portsandformed in the manifold block, via hollow holesandin the guide rodsandand via fluid supply/discharge pathsandin the moving block


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