Title:
AUTOMATIC DOOR
Document Type and Number:
Japanese Patent JP2005042508
Kind Code:
A
Abstract:
To enable opening and closing a door even at a low temperature in a cold district, by preventing hardening of grease of a transmission gear of an electric motor.
This automatic door opens and closes the door 2 by the electric motor 15; and is provided with a temperature sensor 20 for detecting the temperature on the electric motor 15 side, and a heating means for heating the electric motor 15 side; and operates the heating means when the detecting temperature detected by the temperature sensor 15 becomes the prescribed temperature or less.
Inventors:
NAGAYASU HIDEMITSU
YORIZANE YOSHIFUMI
HARA TAKAHIRO
YORIZANE YOSHIFUMI
HARA TAKAHIRO
Application Number:
JP2003280324A
Publication Date:
February 17, 2005
Filing Date:
July 25, 2003
Export Citation:
Assignee:
IKEDA DENKI KK
International Classes:
E05F15/14; E05F15/44; E05F15/632; H02P7/29; (IPC1-7): E05F15/14; H02P7/29
Attorney, Agent or Firm:
Toshio Yasuda