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:
Apr. 21, 2009
Filed:
Apr. 19, 2004
Hirofumi Okumura, Miyagi-ken, JP;
Ichiro Tokunaga, Miyagi-ken, JP;
Hirofumi Okumura, Miyagi-ken, JP;
Ichiro Tokunaga, Miyagi-ken, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
An object of the present invention is to provide a member position detecting apparatus having a high degree of freedom for design and layout of a seat rail, capable of suppressing accumulation of dust and eliminating influence of an external magnetic field. A member position detecting apparatushas a function of detecting whether a metallic seat rail (a moving member)guided by a metallic stationary railhas reached a front end position (a predetermined position) P on the stationary rail. The openings of the stationary railand the seat railface each other and the end portions thereof are folded and engaged with each other. The stationary railis disposed on the floor of a vehicle, and a planar magnetis provided at a front end portion thereof. The seat railis fixed on a lower portion of the vehicle seat, and a magnetic sensoris provided to face the magnetat the front end portion of the seat rail.