Elevator driven by a flat linear motor

Details Elevator driven by a flat linear motor Elevator driven by a flat linear motor

1991-03-15

1992-02-11

Valenza, Joseph E.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 94, 104290, 310 12, B66B 1104

Patent

active

050868810

ABSTRACT:
An elevator is driven by a linear motor having an elongated flat secondary element disposed in parallel to a hoistway and extending along the length thereof, the secondary element being supported by an edge portion thereof by a support. The linear motor has a first primary element disposed on one side of the flat secondary element, and a second primary element disposed on the other side of the flat secondary element. A housing supports each primary element adjacent a face of the secondary element. The housing has an opening through which the support of the secondary element passes. The housing includes a counterweight assembly disposed at either end thereof.

REFERENCES:
patent: 3882790 (1975-05-01), Winkle et al.
patent: 3934183 (1976-01-01), Saufferer
patent: 4402386 (1983-09-01), Ficheux
patent: 4408138 (1983-10-01), Okamoto
patent: 4862809 (1989-09-01), Guadagno
patent: 5005672 (1991-04-01), Nakai et al.

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