Title:
SAFETY DEVICE FOR PREVENTING ELEVATOR HAND TRAPPING
Document Type and Number:
WIPO Patent Application WO/2019/045317
Kind Code:
A1
Abstract:
The present invention relates to a safety device for preventing a hand from being trapped in a gap between a door of an elevator and a doorframe thereof by installing optical sensors in a cage of the elevator without any reflection plate, wherein light-emitting sensors and light-receiving sensors are installed in only the cage to have a one-to-one correspondence relationship therebetween, thereby removing inefficiency of installing optical sensors on all floors of a building.
Inventors:
YOON IL SHIK (KR)
Application Number:
PCT/KR2018/009244
Publication Date:
March 07, 2019
Filing Date:
August 13, 2018
Export Citation:
Assignee:
YOON IL SHIK (KR)
International Classes:
B66B13/24; B66B13/06; B66B13/30; G01V8/10
Foreign References:
| JP2008115016A | 2008-05-22 | |||
| JP2009166920A | 2009-07-30 | |||
| US1856895A | 1932-05-03 | |||
| JP2005280900A | 2005-10-13 | |||
| KR20020072784A | 2002-09-18 |
Attorney, Agent or Firm:
CHOI, Kwang Ho (KR)
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