Title:
PLATFORM STEP DEVICE
Document Type and Number:
Japanese Patent JP2019214277
Kind Code:
A
Abstract:
To provide a method by which a contact of a top plate with a step member is prevented.SOLUTION: Even if a top plate part 50 is deformed in an emergency, in order to avoid the top plate part damage caused by contacting with a step member 30 or the difficulty of the member's movement when the member goes in and out, a support roller 60 is a component installed for supporting the deformed top plate part 50. In the concrete, the support roller 60-2 is installed in the step member 30 as a component for keeping a clearance between the step member 30 taken in and out from the housing 20 and the top plate 52 of the housing 20 equal to or wider than a prescribed width even in the case the top plate 52 is deformed.The support roller 60-2 is installed at a position which the step member 30 attains vertically under the end part 522 of the top plate 52 in a projecting direction A1 in the condition the step member 30 projects most from the housing 20.SELECTED DRAWING: Figure 9
Inventors:
KOMORI MIKI
Application Number:
JP2018112108A
Publication Date:
December 19, 2019
Filing Date:
June 12, 2018
Export Citation:
Assignee:
NIPPON SIGNAL CO LTD
International Classes:
B61B1/02
Domestic Patent References:
| JP2010195241A | 2010-09-09 | |||
| JP2010126020A | 2010-06-10 | |||
| JP2011184021A | 2011-09-22 | |||
| JP2002205638A | 2002-07-23 |
Foreign References:
| US20100043664A1 | 2010-02-25 |
Attorney, Agent or Firm:
Asahi Patent Office