Door release mechanism

A door release mechanism includes a drop wheel coupled to a holding brake sprocket; a brake drive sprocket fixed to a drop wheel coupled with a governor; and a drop arm having a tooth to mesh with the drop wheel. The drop arm has an engaged position and a disengaged position. In the engaged position...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DAUS MARK, EITERMAN ALVIN
Format:	Patent
Sprache:	eng
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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