Door device for an elevator

Details Door device for an elevator Door device for an elevator

2011-08-09

2011-08-09

Salata, Anthony (Department: 2837)

Elevator, industrial lift truck, or stationary lift for vehicle

With barrier for regulating access to load support

Includes motor or motor driven linkage for shifting barrier

C187S391000

Reexamination Certificate

active

07992688

ABSTRACT:
A door device for an elevator includes an elevator door, first and second door drive devices having first and second rotating shafts, respectively, a power transmission mechanism that moves the elevator door according to rotation of the first and second rotating shafts, and a door control device that controls movement of the elevator door. The door control device includes a first processing device that performs first arithmetic processing for controlling the first door drive device, a second processing device that performs second arithmetic processing for controlling the second door drive device, and an information transmitting unit for information transmission between the first and second processing devices.

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