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:
Aug. 27, 2024

Filed:

Dec. 01, 2020
Applicant:

Amada Co., Ltd., Kanagawa, JP;

Inventors:

Yousuke Onagi, Kanagawa, JP;

Yuto Nishihata, Kanagawa, JP;

Assignee:

AMADA CO., LTD., Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 37/04 (2006.01); B21D 5/02 (2006.01);
U.S. Cl.
CPC ...
B21D 37/04 (2013.01); B21D 5/02 (2013.01);
Abstract

In a first step, a pulling operation is performed with respect to four tools by retaining, in an immovable state, a leftmost tool from among the four tools lined up on a tool mounting unit by means of a left ATC and by moving, toward the left ATC, a rightmost tool from among the four tools by means of a right ATC. In a second step, a movement of the right ATC is stopped when a torque of a motor for moving the right ATC in a left-right direction reaches a preset set value. The first step includes a choosing step of choosing, for the respective left and right ATCs, whether to perform the pulling operation in a state of being abutted against respective side surfaces of the tools or to perform the pulling operation in a state of being engaged with respective engagement holes of the tools.


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