Title:
ローラ式水門
Document Type and Number:
Japanese Patent JP6655501
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a roller type water gate which enables rotation states of rollers to be easily confirmed.SOLUTION: A water gate 100 (roller type water gate) comprises: a water gate body 2 which is moved up and down in a manner that opens and blocks distribution of water; doorstops 12 which are extended in a direction that the water gate body 2 is moved up and down; and rollers 21 which are installed on the water gate body 2 and rotated along with up-and-down movement of the water gate body 2 with the same brought into contact with the doorstops 12. The water gate 100 also has non-contact sensors 25 which detect rotation states of the rollers 21 along with up-and-down movement of the water gate body 2.SELECTED DRAWING: Figure 8
Inventors:
Junpei Sannami
Ken Miyazawa
Yousuke Fujisawa
Yu Nagae
Ken Miyazawa
Yousuke Fujisawa
Yu Nagae
Application Number:
JP2016161433A
Publication Date:
February 26, 2020
Filing Date:
August 19, 2016
Export Citation:
Assignee:
Hitachi Zosen Corporation
International Classes:
E02B7/30
Domestic Patent References:
| JP4119824U | ||||
| JP2000298037A | ||||
| JP3180766A | ||||
| JP2014043679A | ||||
| JP2004162371A |
Foreign References:
| US4934868 |
Attorney, Agent or Firm:
Hirokazu Miyazono