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. 09, 2024
Filed:
Apr. 11, 2022
Nsk Ltd., Tokyo, JP;
Ryo Segawa, Fujisawa, JP;
NSK LTD., Tokyo, JP;
Abstract
A ball screw device comprising: a screw shaft, a nut, balls arranged between the shaft-side ball thread groove and the nut-side ball thread groove, a stopper including: a boss portion fitted to the fitting shaft portion of the screw shaft, and a second engaging portion protruding in the radial direction from the boss portion and engageable with a first engaging portion of the nut in the circumferential direction, and a holding member arranged adjacent to one side in the axial direction of the stopper, such that an axial load can be transmitted between the screw portion of the screw shaft and the holding member through the stopper without applying a moment to the stopper.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile