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:
Jul. 19, 2016
Filed:
Nov. 14, 2014
Applicant:
Sumitomo Riko Company Limited, Komaki-shi, Aichi, JP;
Inventor:
Hiroyuki Matsumura, Komaki, JP;
Assignee:
SUMITOMO RIKO COMPANY LIMITED, Komaki-shi, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/52 (2006.01); F16F 9/38 (2006.01);
U.S. Cl.
CPC ...
F16F 9/38 (2013.01);
Abstract
A dust cover comprising a bellows tube portion with a plurality of main valleys being of a concave shape opening towards an outer periphery of the tube portion and arranged in a linked manner. Each of the main valleys includes a pair of slope wall portions that slope to opposite axial outsides while going to an outer peripheral side, and the slope wall portion has a slope angle at its outer peripheral portion smaller than a slope angle at its inner peripheral portion.