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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.:

US 11034116 B1

PDFFull Text
Date of Patent:
Jun. 15, 2021

Filed:

Aug. 02, 2018

Servo press machine

Applicant:

Aida Engineering, Ltd., Kanagawa, JP;

Inventor:

Takashi Koshimizu, Zama, JP;

Assignee:

AIDA ENGINEERING, LTD., Kanagawa, JP;

Attorney:

McDermott Will & Emery LLP

Primary Examiner:

Teresa M Ekiert

Assistant Examiner:

Sarkis A Aktavoukian

Int. Cl.
CPC ...
B30B 15/00 (2006.01); B30B 1/26 (2006.01); F16N 7/22 (2006.01); F16N 3/08 (2006.01); F16C 33/10 (2006.01); F16C 7/02 (2006.01);
U.S. Cl.
CPC ...
B30B 15/0088 (2013.01); B30B 1/26 (2013.01); B30B 1/266 (2013.01); F16C 7/02 (2013.01); F16C 33/1025 (2013.01); F16C 33/1045 (2013.01); F16C 33/1065 (2013.01); F16N 3/08 (2013.01); F16N 7/22 (2013.01);
Abstract

A servo press machine includes an eccentric shaft, a connecting rod, a slide, an eccentric shaft-side sliding surface, a connecting rod-side sliding surface, an oil supply port, and a supply mechanism. The oil supply port opens on the eccentric shaft-side sliding surface or the connecting rod-side sliding surface, and supplies a lubricant between the eccentric shaft-side sliding surface and the connecting rod-side sliding surface. The supply mechanism supplies the lubricant to the oil supply port. The eccentric shaft-side sliding surface is formed on the eccentric shaft that is rotationally driven by a servomotor. The oil supply port is formed on the connecting rod-side sliding surface of the connecting rod that moves upward and downward due to the rotational driving of the eccentric shaft.

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