Apparatus for operating during earthquake

Details Apparatus for operating during earthquake Apparatus for operating during earthquake

1981-08-17

1983-05-10

Truhe, J. V.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 1324

Patent

active

043824897

ABSTRACT:
An apparatus for operating during earthquake which should be stopped to prevent an accident by detecting earthquake is provided. The apparatus detects an initial slight earthquake shock to perform a preliminary operation for earthquake by a first control device. When higher vibration is not detected within a specific time, the apparatus is reset. When high vibration is detected, an operation for earthquake including the stop of the apparatus is performed by a second control device.

REFERENCES:
patent: 3561569 (1971-02-01), Suozzo et al.
patent: 3792759 (1974-02-01), Kirsch
patent: 3896906 (1975-07-01), Shrum
patent: 4069898 (1978-01-01), Tosato et al.

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