Title:
PASSENGER LOADING BRIDGE
Document Type and Number:
Japanese Patent JP2017030690
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a passenger loading bridge capable of properly detecting a fact that drive wheels of a travel device used for extension movement and/or horizontal movement of a tunnel part come close to an obstacle.SOLUTION: A passenger loading bridge comprises: a tunnel part which is fitted in a nested box-state, and which can relatively move in a cross direction and which can be extended; a drive column which is used for vertical movement of the tunnel part; and a travel device 13 which is used for extension movement and/or horizontal movement of the tunnel part. The travel device comprises: a support frame 17 for supporting the drive column; a driver 16A mounted on the support frame; drive wheels 14A, 14B driven by the driver; and a detection part for detecting a fact that the drive wheels come close to an obstacle. The detection part 39A comprises: a holding member 33 which is connected to the support frame; a flexible member 30 which is held to the holding member, and stretched in the surrounding of the drive wheels; a tensioner 31 for applying tension force to the flexible member; and a switch 32 which is switched based on a change of the tension force applied to the flexible member.SELECTED DRAWING: Figure 2
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Inventors:
MIYAZAKI OSAMU
Application Number:
JP2015155749A
Publication Date:
February 09, 2017
Filing Date:
August 06, 2015
Export Citation:
Assignee:
SHIN MEIWA IND CO LTD
International Classes:
B64F1/305; E01D18/00
Domestic Patent References:
| JP2005518308A | 2005-06-23 | |||
| JP2012076566A | 2012-04-19 | |||
| JP2001163580A | 2001-06-19 | |||
| JPS6213800U | 1987-01-27 | |||
| JP2005280645A | 2005-10-13 |
Foreign References:
| CN202295333U | 2012-07-04 | |||
| CN201484665U | 2010-05-26 | |||
| US20080304948A1 | 2008-12-11 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office
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