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.
Patent No.:
Date of Patent:
May. 01, 2012
Filed:
Jan. 12, 2006
Kiyokazu Baba, Komatsu, JP;
Hiroaki Honma, Komatsu, JP;
Masahide Sunata, Komatsu, JP;
Hajime Yoshida, Komatsu, JP;
Hirohide Satou, Komatsu, JP;
Kiyokazu Baba, Komatsu, JP;
Hiroaki Honma, Komatsu, JP;
Masahide Sunata, Komatsu, JP;
Hajime Yoshida, Komatsu, JP;
Hirohide Satou, Komatsu, JP;
Komatsu Ltd, Tokyo, JP;
Komatsu Industries Corp., Tokyo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A die cushion padis divided into four small padsand a large pad. With this arrangement, a load applied to an action point of each of the small padscan be equalized by the large pad, and an overturning moment arising between the action point and a reaction force point that equates the center of the small padcan be canceled, thereby preventing flexure of the small pad. Accordingly, since flexure of the cushion pin and the like can be prevented, there is no risk that the cushion pin is frictioned against the penetrating hole of a bolster, and the lifting operation can be smoothly performed, whereby a higher-accuracy pressing forming operation can be realized.