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:
Dec. 12, 2017
Filed:
Jan. 16, 2014
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 an elastic member. The shaft has a rotation axis. The bushing has smaller-diameter parts on both ends and a larger-diameter part arranged between the smaller-diameter parts with stepped portions interposed therebetween, and is fitted over the outer circumference of the shaft to be rotatable relative to the shaft around the rotation axis. The roller shell has a cylindrical shape, and is fitted over the outer circumference of the smaller-diameter parts of the bushing to abut on the stepped portions. The retainer is formed annularly, is fixed detachably to an end face of the bushing, and abuts on the end face of the roller shell with the elastic member interposed therebetween.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile