Request-to-exit (REX) switch

Details Request-to-exit (REX) switch Request-to-exit (REX) switch

2009-05-14

2011-11-15

Leon, Edwin A. (Department: 2833)

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

Reexamination Certificate

active

08058575

ABSTRACT:
A request-to-exit (REX) switch comprises an injection-molded plastic body that can snap into the access hole of a mortise lock mechanism to provide a request-to-exit contact generation. A micro-switch mounts to a distal end of the injection-molded plastic body. Such is precisely oriented, positioned, and secured by pressing onto two posts molded into the distal end. The installation is accomplished without tools, and two snap locking tabs in the injection-molded plastic body automatically secure to the access hole of the mortise lock mechanism. An orienting lip on a front cap of the injection-molded plastic body allows only one possible fit. A strain relief for wiring to the micro-switch is a part of the injection-molded plastic body.

REFERENCES:
patent: 5757269 (1998-05-01), Roth et al.
patent: 6784784 (2004-08-01), Zehrung
patent: 7507922 (2009-03-01), Bertani

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