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:
Apr. 24, 2012
Filed:
Jul. 23, 2007
Applicant:
Shusaku Yamasaki, Tokyo, JP;
Inventor:
Shusaku Yamasaki, Tokyo, JP;
Assignee:
IHI Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B 1/10 (2006.01); B30B 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a servo press which can obtain a higher speed in a moving section of a slide, and a higher pressure in a pressurizing section near a bottom dead point without enlarging a capacity of a motor. The servo press is provided with a multi-toggle mechanismmoving up and down a slidein which an upper die is to be fixed to a lower surface of the slide, and a toggle driving mechanismprovided on a crownlocated to an upper side of the slide and driving the multi-toggle mechanism. The multi-toggle mechanismis structured such as to include three or more toggles generating a force amplifying effect by a plurality of links