Title:
PUSH BUTTON DEVICE FOR ELEVATOR
Document Type and Number:
Japanese Patent JP2016041626
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a push button device for an elevator which can be pushed continuously even when a display board is pushed with strong force and is deformed or is broken.SOLUTION: A push button device is applied to a control panel installed in a car of an elevator, and, as a structure of lighting a pushed display board 2, includes: an annular frame-shaped protective cover frame 1 with a disc-like display board 2 attached and fixed to an inner side of a front surface side; a switch 3 which is arranged on a back side of the frame 1, is pushed in and is turned on by an end surface of the frame 1 when the display board 2 is pushed; and a light emitting device 4 having a light emitting part which is energized and emits light in the on-state of the switch 3 so as to be surrounded by the switch 3 in a position on a substrate opposite to the display board 2. The frame 1 is formed of a hard material having higher mechanical strength than the display board 2, and even after the display board 2 with low mechanical strength is pushed with strong force, and is deformed or is broken, pushing operation of turning the switch 3 on can be conducted.SELECTED DRAWING: Figure 1
Inventors:
HIGASHIDA KAZUO
ITO BAKU
ITO BAKU
Application Number:
JP2014166023A
Publication Date:
March 31, 2016
Filing Date:
August 18, 2014
Export Citation:
Assignee:
HITACHI BUILDING SYS CO LTD
International Classes:
B66B1/46
Attorney, Agent or Firm:
Patent Business Corporation Takewa International Patent Office
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