Title:
POSITION DETECTION SENSOR
Document Type and Number:
WIPO Patent Application WO/2017/010272
Kind Code:
A1
Abstract:
A position detection sensor 70, equipped with a magnetic switch 72 and a movable member 73 to which a first permanent magnet 74 is attached, the movable member 73 being in direct or indirect contact with a subject and moving towards the magnetic switch 72 in concert with the displacement of the subject. In the position detection sensor 70, when the first permanent magnet 74 is caused, by the movement of the movable member 73, to approach the magnetic switch 72 up to a prescribed distance set in advance, the magnetic switch 72 senses the magnetism of the first permanent magnet 74 and switches ON. The position detection sensor 70 is equipped with a second permanent magnet 80 provided to a region in which the second permanent magnet 80 and the first permanent magnet 74 are at all times attracted to or repelled from each other.
Inventors:
NISHIKAWA YOSHIAKI (JP)
Application Number:
PCT/JP2016/068967
Publication Date:
January 19, 2017
Filing Date:
June 27, 2016
Export Citation:
Assignee:
TLV CO LTD (JP)
International Classes:
H01H36/00; G01F23/38; H01H35/18
Foreign References:
| JP2013024061A | 2013-02-04 | |||
| JP2011238352A | 2011-11-24 | |||
| JPS53160681U | 1978-12-15 |
Attorney, Agent or Firm:
TERAZONO Kenichi et al. (JP)
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