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:
Sep. 07, 2010
Filed:
Mar. 29, 2006
Yan-yu Chen, Taichung, TW;
Chung-hsueh Lin, Taichung, TW;
Yan-yu Chen, Taichung, TW;
Chung-Hsueh Lin, Taichung, TW;
Hiwin Technologies Corp., Taichung, TW;
Abstract
A self-lubricating ball screw comprises a nut, a screw shaft, at least one lubricating unit and at least one external oil tank. The lubricating unit is disposed in the nut, an end of the lubricating unit protrudes out of the nut and contacts the screw shaft, and another end of the lubricating unit is connected to the oil tank for absorbing the lubricating oil to the lubricating unit from the oil tank. An opening is formed in a side of the respective oil tanks, allowing for radial movement of the screw shaft. With the opening, the oil tank can be replaced at any time. The lubricating unit straddles the wipers and transmits lubricating oil to the protrusion without affecting the original arrangement of the wiper at either end of the nut, thus effectively saving the space of the oil tank, simplifying the structure and improving the maintenance efficiency.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile