Movable or removable closures – Safety means responsive to obstruction to closure – Sensing shoe on leading edge
Patent
1992-04-17
1993-11-09
Kannan, Philip C.
Movable or removable closures
Safety means responsive to obstruction to closure
Sensing shoe on leading edge
200 6143, E05F 1502
Patent
active
052591433
ABSTRACT:
An astragal (10; 310; 410; 510) for attachment between a movable closure member (11; 111; 311; 411; 611) and a fixed surface having a sealing device and having an electrical switching device to signal engagement with an object including a retainer (15; 115; 315; 415; 615) secured to one of the closure member and the fixed surface, an elongate arcuate sealing member (30; 330; 430; 530; 630) for engaging the other of the closure member and the fixed surface when in close proximity, the arcuate sealing member selectively affixed to the retainer, a resilient carrier (45; 345; 445; 545; 645) disposed within said arcuate sealing member, and at least one electrically conductive strip (46; 346; 447; 547; 651) attached to the carrier in unobstructed facing relation to an electrically conductive contact (20; 120; 320; 448; 548; 620) and temporarily movable into engagement with the electrically conductive contact when an object displaces said arcuate sealing member and the resilient carrier to effect electrical contact therebetween.
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Mitchell Albert W.
Mullet Willis
Kannan Philip C.
Wayne-Dalton Corp.
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