Safety actuator apparatus for one-piece overhead garage door ope

Details Safety actuator apparatus for one-piece overhead garage door ope Safety actuator apparatus for one-piece overhead garage door ope

1992-07-23

1993-08-24

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Feeler moves into detecting contact with object

49 26, H01H 316, E05F 1502

Patent

active

052391469

ABSTRACT:
An elongated, electrically conductive, inwardly protruding hollow channel defining an interior chamber is mounted to the lower edge of a one-piece garage door. Mounted within the chamber is a contact strip extending longitudinally along the channel and disposed below the center line thereof such that deflection interiorly of the wall of the channel upon contact with an obstructing object will cause it to engage the contact strip. The channel is optionally mounted to a base perpendicularly extending away from the plane of the door to provide early warning of a contact with an obstructing object.

REFERENCES:
patent: 3118984 (1964-01-01), Koenig
patent: 5157230 (1992-10-01), Blubaugh

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