Title:
INTRUSION PREVENTION DEVICE FOR MAINTENANCE OF MAN CONVEYOR
Document Type and Number:
Japanese Patent JP2011098825
Kind Code:
A
Abstract:
To provide an intrusion prevention device for maintenance of a man conveyor which surely detects a third party about to invade in a work fence.
The intrusion prevention device includes: two or more pillars; two or more work fences coupled through the two or more pillars; a vibration sensor provided for the pillar or the work fence; and a photoelectric device which is provided for a pillar, and disposes an optical axis for an object detection to enclose a machine room at a position away from the side surface of the work fence on a horizontal projection plane when the work fence is disposed at the position to enclose the machine room of the man conveyor.
Inventors:
TAKAKURA HIROYUKI
MIZUNO YUKIOMI
MIZUNO YUKIOMI
Application Number:
JP2009255985A
Publication Date:
May 19, 2011
Filing Date:
November 09, 2009
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
B66B29/00; B66B31/00
Attorney, Agent or Firm:
Mamoru Takada
Hideki Takahashi
Jiro Ozawa
Hideki Takahashi
Jiro Ozawa