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:
Sep. 30, 2008

Filed:

May. 19, 2006
Applicants:

Makoto Tsuji, Yamato, JP;

Saburo Noda, Atsugi, JP;

Toshiaki Toyoshima, Zama, JP;

Inventors:

Makoto Tsuji, Yamato, JP;

Saburo Noda, Atsugi, JP;

Toshiaki Toyoshima, Zama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/68 (2006.01); B22D 17/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A clamping apparatus having a simple configuration and capable of opening and closing dies and clamping the dies, which includes a base frame; a fixed die plate; a movable die plate; a rack fixed with respect to the base frame and extending in a die opening and closing direction; a pinion pivotally supported by the movable die plate and meshing with the rack; a motor provided in the movable die plate, driving and rotating the pinion, and moving the movable die plate toward the die opening and closing direction; a tie bar having a jointed portion; a joint portion provided on the movable die plate and capable of engaging and disengaging the jointed portion of the tie bar; and a clamping cylinder provided on the fixed die plate and imparting tension to the tie bar with the joint portion and the jointed portion jointed to generate clamping force.


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