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. 13, 2021
Filed:
Nov. 21, 2017
Applicant:
Aida Engineering, Ltd., Kanagawa, JP;
Inventor:
Takao Ito, Kanagawa, JP;
Assignee:
AIDA ENGINEERING, LTD., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 24/02 (2006.01); B21D 24/06 (2006.01); B30B 15/28 (2006.01); B30B 15/02 (2006.01);
U.S. Cl.
CPC ...
B21D 24/02 (2013.01); B21D 24/06 (2013.01); B30B 15/026 (2013.01); B30B 15/281 (2013.01);
Abstract
A sliding frictional force generation mechanism includes a metal hole member having a hole, a metal shaft member fitted in the hole of the hole member in an axially slidable manner, and a lubrication mechanism configured to supply lubricating oil serving as a cooling medium between the holed ember and the shaft member. The shaft member is fitted in the hole in an interference fit state.