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:
Feb. 04, 2014
Filed:
Jul. 22, 2011
Mitsuyoshi Matsuno, Kosai, JP;
Tadao Ito, Toyohashi, JP;
Takeshi Miyagi, Hamamatsu, JP;
Fuji Kiko Co. Ltd., Kosai-Shi, Shizuoka-Ken, JP;
Abstract
A female screw membersupported by a movable side bracketincludes: a movable side casingprovided with a nut containerthrough which a male screw shaft memberpasses; and a pair of nutsandinserted into the nut containernon-rotatably but movably in an axial direction of the male screw shaft memberwhile threadedly engaging with the male screw shaft member. The movable side casingincludes a wedge memberwhose tip endis inserted between the nutsand. The nutsandare separated from each other when the wedge numberis inserted therebetween, and outside surfacesandof female screw portionsandof the nutsandcome into contact with and get held by a male screw portionof the male screw shaft member, thereby eliminating backlash between the female screw portionsandand the male screw portion