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:
Jul. 20, 2004
Filed:
Feb. 11, 2003
Yutaka Sakamoto, Hiroshima, JP;
Delta Tooling Co., Ltd., Hiroshima, JP;
Abstract
The objects of the present invention is to reduce a backlash at the time of locking of a seat back and to reduce clearance in the thrust direction of a worm so as to prevent generation of an abnormal noise with a simple structure suitable for mass production. Substantially cone-shaped recesses and are provided respectively on both end faces of the worm pivotably attached on a seat cushion, and inside end faces of a pair of holders and to support these two end portions, and at the same time balls are rotatably housed respectively in a pair of spaces formed in the recesses and facing each other to form a pair of bearings and which rotatably support the worm . A press means composed of a coil spring and the like which presses the worm to the worm wheel is provided in a locking mechanism.