MOVABLE BARRIER OPERATION HAVING CABLE TENSION SENSOR AND DOOR LOCK MECHANISM

Apparatus (10) for use with barrier movement systems (16) in which a flexible member (26, 26') is used to move or support the barrier. The apparatus measures tension in the flexible member and generates a signal when the tension eases beyond a predetermined point. Additionally, the apparatus in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN, WILLIAM, DUTKA, ROBERT, E, OLMSTED, ROBERT, J, MCCARTNEY, PHILLIP, A, GAVEL, ANDREW
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS KEYS LADDERS LOCKS SAFES WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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