Door securing mechanism

A door securing mechanism has at least one and preferably two, three or more bolts 8,9,10 each formed with teeth which co-operate with corresponding teeth on a door spindle 6 in a rack and pinion arrangement so that rotation of the spindle simultaneously drives the or each of the bolts into its clos...

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Bibliographische Detailangaben
Hauptverfasser:	WILLIAMS IAIN MACKIE HENDERSON, DAVID JOHN THORNLEY, SAMUEL HALL LEASK, MOIRA SMITH, CHRISTOPHER F MATTHEWS, DAVID JOHN MORRISON
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES HANDCUFFS KEYS LADDERS LOCKS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS SAFES WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	A door securing mechanism has at least one and preferably two, three or more bolts 8,9,10 each formed with teeth which co-operate with corresponding teeth on a door spindle 6 in a rack and pinion arrangement so that rotation of the spindle simultaneously drives the or each of the bolts into its closed position. The mechanism is of particular use for the door of a shelter for electronic equipment which door has a number of seals 20 requiring considerable force to compress them when the door is closed; cooperating cam faces at the ends of the bolts, eg 10B Fig. 5, and on keepers 17A transmit the compression force.