Elevator leveling signal error and correction

Details Elevator leveling signal error and correction Elevator leveling signal error and correction

1983-11-09

1985-06-04

Roskoski, Bernard

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 140

Patent

active

045209049

ABSTRACT:
In an elevator that has a position indicator that indicates through separate indication signals if the car is above, at, or below floor level, the position indicator is checked prior to and during the approach to the floor for a stop, and if an incorrect indication is sensed, the error is stored. The stored error and the other indications are used during the approach to slow and stop the car and open the doors.

REFERENCES:
patent: 3720292 (1973-03-01), Magee
patent: 3749203 (1973-07-01), Hoelscher
patent: 3815711 (1974-06-01), Hoelscher
patent: 4114731 (1978-09-01), Faup et al.
patent: 4256203 (1981-03-01), Masel
patent: 4463833 (1984-08-01), Ludwig et al.

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