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Patent Searching and Data


Title:
MEASURING DEVICE AND MEASURING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/011894
Kind Code:
A1
Abstract:
In this measuring device, when a beam member having a predetermined length is moved over and in contact with rails by two rollers spaced apart from each other by a preset distance, the angular velocity acting on the beam member is detected, and the product of the detected angular velocity and the two-point distance between the contact points with the two rollers is calculated as a track misalignment amount in the midpoint between the two contact points.

Inventors:
NAGANUMA, Yasukuni (1-4 Meieki 1-chome, Nakamura-k, Nagoya-shi Aichi 01, 〒4506101, JP)
YADA, Taro (1-4 Meieki 1-chome, Nakamura-k, Nagoya-shi Aichi 01, 〒4506101, JP)
Application Number:
JP2016/070573
Publication Date:
January 18, 2018
Filing Date:
July 12, 2016
Export Citation:
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Assignee:
CENTRAL JAPAN RAILWAY COMPANY (1-4 Meieki 1-chome, Nakamura-ku Nagoya-sh, Aichi 01, 〒4506101, JP)
International Classes:
B61K9/08; E01B35/04; G01B21/00
Foreign References:
JP2012251840A2012-12-20
JP2009019919A2009-01-29
JP2004251842A2004-09-09
JP2001063570A2001-03-13
JPH05196465A1993-08-06
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (Meishin Bldg, 20-19 Nishiki 1-chome, Naka-ku, Nagoya-sh, Aichi 03, 〒4600003, JP)
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