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:
Oct. 17, 2023
Filed:
Mar. 22, 2019
Applicant:
Aida Engineering, Ltd., Kanagawa, JP;
Inventor:
Takao Ito, Kanagawa, JP;
Assignee:
AIDA ENGINEERING, LTD., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/02 (2006.01); F16F 9/512 (2006.01); F16F 9/32 (2006.01); F16F 7/09 (2006.01);
U.S. Cl.
CPC ...
F16F 9/02 (2013.01); F16F 7/09 (2013.01); F16F 9/0209 (2013.01); F16F 9/3214 (2013.01); F16F 9/3235 (2013.01); F16F 9/3278 (2013.01); F16F 9/5126 (2013.01);
Abstract
A gas cushion device includes a cylinder, a piston slidably fitted in the cylinder, a gas enclosed in the cylinder to energize the piston, and an oil feeding mechanism configured to feed a lubricating oil to a fitting portion between the cylinder and the piston. The cylinder and the piston are fitted in an interference fit state. The piston is reduced in diameter from an inside of the cylinder toward the outside of the cylinder.