Title:
ELEVATOR LANDING CALL APPARATUS FOR BURDEN
Document Type and Number:
Japanese Patent JPH0624661
Kind Code:
A
Abstract:
PURPOSE: To provide an elevator landing call apparatus for burdens to prevent the burdens from being left behind in a car and useless landing call from other stories.
CONSTITUTION: A burden detector is operated to close a door and contacts 3a, 4a, so that a relay 5 is energized. Thus, a contact 5b is opened and a landing circuit is invalidated. Also, a contact 5a is closed to operated a report circuit, warning circuit and display circuit, and inform that the burdens are left behind in the car.
Inventors:
SADO MASAHITO
Application Number:
JP17994392A
Publication Date:
February 01, 1994
Filing Date:
July 07, 1992
Export Citation:
Assignee:
HITACHI BUILDING SYST ENG
International Classes:
B66B1/14; B66B3/00; (IPC1-7): B66B3/00; B66B1/14
Attorney, Agent or Firm:
Kenjiro Take (2 outside)
Next Patent: EMERGENCY INFORMATION APPARATUS OF ELEVATOR