Door closure assist assemblies

Door closure assist assemblies that assist in providing a final closing motion generally includes an extender portion comprised of an active material adapted to linearly expand in response to an activation signal and a releasable fastener having one component in movable communication with the extend...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HENRY CHRISTOPHER P, JOHNSON NANCY L, BARVOSA-CARTER WILLIAM, MASSEY CAMERON, BROWNE ALAN L
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR BLASTING BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS CHECKS FOR WINGS CYLINDERS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HANDCUFFS HEATING KEYS LADDERS LIGHTING LOCKS MECHANICAL ENGINEERING PERFORMING OPERATIONS PISTONS REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES SAFES SEALINGS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS WINDOW OR DOOR FITTINGS WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	Door closure assist assemblies that assist in providing a final closing motion generally includes an extender portion comprised of an active material adapted to linearly expand in response to an activation signal and a releasable fastener having one component in movable communication with the extender portion and a second component attached to the other selected one of the door and doorframe. During operation, the door closure assist assembly provides the final closing action.