Door sensor beam

Details Door sensor beam Door sensor beam

1995-08-09

1998-01-27

Nappi, Robert

Elevator, industrial lift truck, or stationary lift for vehicle

With barrier for regulating access to load support

Includes motor or motor driven linkage for shifting barrier

49 25, 187392, 187413, B60B 1326

Patent

active

057124582

ABSTRACT:
An assembly for a no-contact power reversing system for an elevator car gate comprises a lost-motion linkage comprising inner and outer telescoping members, the inner member having an upper extension which stabilizes and protects the electrical cable leading to the scanner unit of the device during retraction and extension of the scanner unit mounting as the gate approaches and leaves full closed position. The linkage and associated parts mounted in such a way that the scanner unit is protected against pilferage.

REFERENCES:
patent: 1864093 (1932-06-01), Prince
patent: 3885773 (1975-05-01), Dunkelberger
patent: 4274226 (1981-06-01), Evans
patent: 4953608 (1990-09-01), Larsson
patent: 4984658 (1991-01-01), Peelle, Jr. et al.
patent: 5394961 (1995-03-01), Biver

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