Yasuo Nakano

Japan

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IPC Class
E05F 1/02 - Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated 1
E05F 1/16 - Closers or openers for wings, not otherwise provided for in this subclass spring-actuated for sliding wings 1
E05F 11/54 - Man-operated mechanisms for operating wings, including those which also operate the fastening for doors 1
E05F 13/02 - Operating mechanisms for wings, operated by the movement or weight of a person or vehicle by devices, e.g. lever arms, affected by the movement of the user 1
E05F 13/04 - Operating mechanisms for wings, operated by the movement or weight of a person or vehicle by platforms lowered by the weight of the user 1
Found results for  patents

1.

Step plate mechanism for door opening and closing device

      
Application Number 14116819
Grant Number 09447624
Status In Force
Filing Date 2012-05-11
First Publication Date 2014-10-23
Grant Date 2016-09-20
Owner
  • Yasuo Nakano (Japan)
  • miimo LTD. (Japan)
Inventor Nakano, Yasuo

Abstract

A step-plate mechanism is provided for a door-opening/closing device that is powered by the downward movement of a step plate caused by a stepping force of a pedestrian, with the step plate being disposed on a floor at both the front and back of a door as seen by a pedestrian, including a return mechanism is provided to bias the step plate, which moves downward by the stepping force of the pedestrian, to return to its original position after the pedestrian passes.

IPC Classes  ?

  • E05F 13/02 - Operating mechanisms for wings, operated by the movement or weight of a person or vehicle by devices, e.g. lever arms, affected by the movement of the user
  • E05F 13/04 - Operating mechanisms for wings, operated by the movement or weight of a person or vehicle by platforms lowered by the weight of the user
  • E05F 1/02 - Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated
  • E05F 1/16 - Closers or openers for wings, not otherwise provided for in this subclass spring-actuated for sliding wings
  • E05F 11/54 - Man-operated mechanisms for operating wings, including those which also operate the fastening for doors