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. 27, 2018
Filed:
Aug. 16, 2016
Nsk Ltd., Tokyo, JP;
Keitaro Oka, Kanagawa, JP;
Kazunari Miyazaki, Kanagawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
There is provided a ball screw device capable of allowing interference to be easily elastically deformable and decreasing friction resistance of a seal member with respect to a screw shaft without damaging seal properties of the seal member. A predetermined section of a land sliding-contact portion () of a sliding-contact portion () and a section of a seal piece () of a lip portion () corresponding to the predetermined section are bent to protrude in one side in the axial direction of a nut () so that a protrusion () is formed, the bent section of the land sliding-contact portion () and the bent section of the seal piece () configure a pair of side surface portions () of the protrusion () and a bottom portion () connecting the one side ends of the pair of side surface portions ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile