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:
Jan. 31, 2017
Filed:
Nov. 08, 2013
Komatsu Ltd., Tokyo, JP;
Naoaki Kita, Hirakata, JP;
KOMATSU LTD., Tokyo, JP;
Abstract
A roller device includes a shaft, a bushing, a roller shell, a retainer, and a seal. The roller shell is fitted over the outer circumference of the bushing. The retainer is fixed detachably to an end of the bushing, and fitted in an end of the roller shell on a radially outer side. The seal is disposed on the outer circumference of the shaft so as to seal a gap between the shaft and the bushing. The seal includes a first seal member attached to the bushing and a second seal member attached to the shaft. The first seal member is rotatable relative to the second seal member. The second seal member has an outer circumferential end disposed on an inner side with respect to an inner circumferential end of the retainer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile