Title:
APPARATUS FOR AUTOMATICALLY OPENING AND CLOSING DOOR
Document Type and Number:
WIPO Patent Application WO/2019/102563
Kind Code:
A1
Abstract:
The present invention solves imperfect responsiveness to a stepping operation and insufficient operation reliability due to variation in an installation environment or a stepping load. An apparatus for automatically opening and closing a door includes a tread plate (21) disposed to be movable up and down, a guide rail (14) disposed in an opening and closing direction of the door (12) and configured to guide opening and closing movement of the door (12), door supporters (15, 16 and 17) configured to movably support the door (12) on the guide rail (14), a door opening rail (41) fixed to the door (12) and inclined downward in the opening direction of the door (12), and a door opening mechanism (32) which is a pressing body movably brought into contact with the door opening rail (41) when the tread plate (21) is moved downward and configured to apply a pressing force to the door opening rail (41) from a lower side thereof.
Inventors:
KONNO YASUHIRO (JP)
Application Number:
PCT/JP2017/042116
Publication Date:
May 31, 2019
Filing Date:
November 22, 2017
Export Citation:
Assignee:
KONNO YASUHIRO (JP)
International Classes:
E05F13/04; E05F13/02
Foreign References:
| US20100263287A1 | 2010-10-21 | |||
| EP2711494A1 | 2014-03-26 | |||
| JP2013023890A | 2013-02-04 |
Attorney, Agent or Firm:
KYOSEI INTERNATIONAL PATENT OFFICE (JP)
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