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:
Mar. 24, 2020
Filed:
Oct. 17, 2016
Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Kobe-shi, Hyogo, JP;
Takayuki Sawa, Osaka, JP;
Hideki Kitada, Osaka, JP;
Yasuhiko Ura, Osaka, JP;
Takehiro Nishimura, Kobe, JP;
Keiichiro Kamura, Kobe, JP;
Yoshi Sato, Sanda, JP;
Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kobe-shi, Hyogo, JP;
Abstract
An air spring includes an outer cylindrical member, an inner cylindrical member combined with the outer cylindrical member, a diaphragm coupling the outer cylindrical member and the inner cylindrical member to each other, the diaphragm providing an internal space between the outer cylindrical member and the inner cylindrical member, a first element located on a side of the internal space in at least one of the outer cylindrical member and the inner cylindrical member and defining a part of the internal space, a second element adjacent to the first element, the second element defining a part of the internal space, and a cover layer covering a boundary portion between the first element and the second element.