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:
Jun. 12, 2001
Filed:
Jul. 28, 1999
Osamu Sano, Kashihara, JP;
Koyo Seiko Co., Ltd., Osaka, JP;
Abstract
Two of the three feed rings to beheld in a rotating cylinder are fitted into respective mounting holes, which are formed on both end of the rotating cylinder so as to have circular openings, and are fixed by locking rings so as not to slip off. The center feed ring is fitted into a mounting portion, which is formed at a predetermined position on a circumferential wall of the rotating cylinder so as to have a slit-shaped opening, and is engaged with a thread groove formed on a rack shaft which pierces through an axial center of the rotating cylinder. Moreover, a bearing is fitted inside the rotating cylinder. The bearing is brought into contact with a circumference of the rack shaft so as to stand a radial load applied to the rack shaft. Such a structure realizes firm engagement between the feed rings and moving shaft, and thus a movement transforming device, which has a simple and compact structure capable of secure movement transformation between rotational movement and linear movement.