Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1987-05-06
1988-05-10
Shoop, Jr., William M.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
B66B 302
Patent
active
047428945
ABSTRACT:
An apparatus for controlling an elevator comprising control data setting means for setting control data indicative of an environment where the elevator is installed and for generating a control signal representative thereof; cage position detecting means for detecting position of a cage of the elevator to generate a cage position signal representative thereof; cage position converter means connected to receive the control signal and the cage position signal for performing a predetermined logical operation to generate a converted cage position signal corresponding to the environment; position indicator data setting means for setting a position indicator data representing the position of the cage in response to the converted cage position signal generated by the cage position converter means; and position indicator signal producing means for producing a position indicator signal on the basis of the converted cage position signal and the position indicator data. The cage position converter element performs a predetermined logical operation in accordance with the position indicator data and the cage position signal indicative of a floor level of zero detected by the cage position detecting element.
REFERENCES:
patent: 4102437 (1978-07-01), Mandel
patent: 4368518 (1983-01-01), Terazono et al.
patent: 4389631 (1983-06-01), Kajiyama et al.
patent: 4630026 (1986-12-01), Lewis
Duncanson Jr. W. E.
Mitsubishi Denki & Kabushiki Kaisha
Shoop Jr. William M.
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