Elevator – industrial lift truck – or stationary lift for vehicle – Having specific load support drive-means or its control – Includes control for power source of drive-means
Patent
1995-05-26
1996-10-22
Noland, Kenneth
Elevator, industrial lift truck, or stationary lift for vehicle
Having specific load support drive-means or its control
Includes control for power source of drive-means
187247, B66B 100
Patent
active
055667872
ABSTRACT:
A method and apparatus is provided whereby several operations are simultaneously performed when transferring an object to a desired destination by controlling the output of a microcomputer using an elevator system. The method includes the steps of: vertically transferring a vertical transfer device to a predetermined position of the object according to a predetermined first control signal output from the microcomputer; starting to horizontally transfer a horizontal transfer device to the position of the object according to a predetermined second control signal output from the microcomputer and completing the operation of the horizontal transfer device according to a first external control signal; and starting to insert or withdraw the object into or from the destination according to a third control signal output from the microcomputer and completing the operation for inserting or withdrawing the object into or from the destination according to a second external control signal. The operations for each component of the elevator system are performed simultaneously, by controlling the output of the microcomputer according to the first external control signal.
REFERENCES:
patent: 4860207 (1989-08-01), Kubo
patent: 5254813 (1993-10-01), Hirashiki
patent: 5409085 (1995-04-01), Fujino et al.
Noland Kenneth
Samsung Electronics Co,. Ltd.
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