Elevator system

Details Elevator system Elevator system

1983-12-05

1985-02-26

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 140

Patent

active

045013454

ABSTRACT:
An elevator system, and methods of providing certain functions thereof, wherein an up/down counter provides a count which is used to provide a landing and leveling speed pattern for the elevator car. The counter is preset to a predetermined count prior to entering the landing zone of a target floor, and distance pulses, generated in response to car movement in the landing zone decrement the count when the car moves toward the target floor, and in the event the car overshoots the floor, the distance pulses increment the count while the car is moving away from the floor in the landing zone.

REFERENCES:
patent: 3786929 (1974-01-01), Hathcock, Jr.
patent: 3815711 (1974-06-01), Hoelscher
patent: 4046229 (1977-09-01), Kernick et al.
patent: 4102436 (1978-07-01), Kernick et al.
patent: 4155426 (1979-05-01), Booker, Jr.
patent: 4354576 (1982-10-01), Kajiyama
patent: 4463833 (1984-08-01), Ludwig et al.

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