Title:
CAR SWING DETECTING DEVICE FOR ELEVATOR
Document Type and Number:
Japanese Patent JPH0753155
Kind Code:
A
Abstract:
PURPOSE: To prevent the erroneous operation of a speed governor due to the swing of a car and prevent the generation of the confined trouble through the erroneous operation of the speed governor.
CONSTITUTION: An operating piece 21 is installed on the rod 12 of a vibration suppressing device 9 for a speed governor rope 8, and an automatic return type detection switch 22 which is operated by the operating piece 21 is installed on a car 4, and when the speed governor rope 8 is shifted over a set value by the swing of the car, the detection switch 22 operates, and a detection relay 25 transmits a signal, and an alarm buzzer 31 operates, and a control circuit 32 stops the car 4 temporarily.
Inventors:
KOBAYASHI SEIJI
SUGITA KAZUHIKO
HIDA AKIRA
KATO KUNIO
SUGITA KAZUHIKO
HIDA AKIRA
KATO KUNIO
Application Number:
JP20402593A
Publication Date:
February 28, 1995
Filing Date:
August 18, 1993
Export Citation:
Assignee:
MITSUBISHI ELECTRIC BILL TECH
MITSUBISHI ELECTRIC CORP
MITSUBISHI ELECTRIC CORP
International Classes:
B66B1/14; B66B3/00; B66B5/00; B66B5/02; B66B5/04; B66B5/12; G01H11/06; (IPC1-7): B66B5/02; B66B1/14; B66B3/00; B66B5/04
Domestic Patent References:
| JPS5021446A | 1975-03-07 | |||
| JPH028180A | 1990-01-11 | |||
| JPH03120181A | 1991-05-22 | |||
| JP4060979B |
Attorney, Agent or Firm:
Soga Doteru (6 people outside)
Next Patent: TENSION PULLEY DEVICE OF ROPE FOR ELEVATOR