Safety edge assembly for elevator doorways

Details Safety edge assembly for elevator doorways Safety edge assembly for elevator doorways

1993-04-29

1995-03-07

Stephan, Steven L.

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

187333, 187313, 49118, B66B 1326

Patent

active

053949617

ABSTRACT:
A safety edge assembly is provided for an electronic sensor system in an elevator doorway. A narrow elongated transmitter frame mounts appropriate electronic transmitting components of the system thereon and is fastened vertically on one side of the doorway. A narrow elongated receiver frame mounts appropriate electronic receiver components of the system thereon and is fastened vertically on the opposite side of the doorway. A power supply frame mounts appropriate electronic power components of the system thereon and is fastened in a piggyback fashion on the transmitter frame. Electrical cables are coupled between the electronic components on opposite sides of the doorway, the cables extending across the top of the doorway.

REFERENCES:
patent: 3370677 (1968-02-01), Federmann et al.
patent: 3834081 (1974-09-01), Catlett
patent: 4785143 (1988-11-01), Miller
patent: 5074773 (1991-12-01), Tischler
patent: 5149921 (1992-09-01), Picado

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