Title:
CONTROL DEVICE FOR ESCALATOR
Document Type and Number:
Japanese Patent JPH11139747
Kind Code:
A
Abstract:
To reduce power consumption by an electromagnetic brake coil, by switching a power source supplied to the electromagnetic brake coil.
In parallel to an electromagnetic coil 2, a time limit relay 3 is provided, after a fixed time, an electromagnetic brake coil supply power source is switched to a low voltage power source R2, S2. When a power source for power is interrupted, in place of R2, S2, by using a battery 5, an electromagnetic brake is released.
Inventors:
SAKAGAMI MITSURU
KOBUNE KAZUMI
KOBUNE KAZUMI
Application Number:
JP30394597A
Publication Date:
May 25, 1999
Filing Date:
November 06, 1997
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B66B25/00; B66B31/00; (IPC1-7): B66B31/00; B66B25/00
Attorney, Agent or Firm:
Ogawa Katsuo