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Patent Searching and Data


Title:
POSITION DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/071067
Kind Code:
A1
Abstract:
Provided is a position detection device which allows for smooth operation of a handle grip and allows for improvement in detection accuracy.  The position detection device (1) includes: a magnetic member (4) which rotates according to a rotation operation of the handle grip (3); a magnetism detection unit (5) which detects the change in a magnetic flux density of the magnetic member (4); and a case (6) which contains the magnetic member (4) and the magnetism detection unit (5).  The magnetic member (4) has: an engagement hole (41) to be engaged with the handle grip (3); a first shaft (43) arranged in the engagement hole (41) at the side of an operation unit (3c) of the handle grip (3); and a second shaft (44) arranged at the side opposite to the first shaft (43).  The case (6) is formed by a first case and a second case (61, 62).  The first case (61) has a first opening (63) which rotatably supports the first shaft (43).  The second case (62) has a second opening (65) which rotatably supports the second shaft (44).

Inventors:
TANAKA TOMOYUKI
Application Number:
PCT/JP2009/070638
Publication Date:
June 24, 2010
Filing Date:
December 10, 2009
Export Citation:
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Assignee:
NIPPON SEIKI CO LTD (JP)
TANAKA TOMOYUKI
International Classes:
G01B7/30; B62K23/04; G01D5/245
Foreign References:
US20040216550A12004-11-04
JP2007248275A2007-09-27
JP2007170490A2007-07-05
JPH09222302A1997-08-26
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