Door-locking device for a heating boiler for solid fuels

In the door-locking device for a heating boiler (1) for solid fuels, with a top charging door (2) pivotable about a horizontal pivot axis, there is articulated on one side (2a) of the charging door (2) a retaining lever (4) which is pivotable about an axis of articulation (5) parallel to the pivot a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HELLMAYR, SIEGFRIED, PEUERBACH, AT
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FORCOMBUSTION CHAMBERS, e.g. FIREBRIDGES COMBUSTION APPARATUS COMBUSTION PROCESSES DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDEDFOR DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS INCOMBUSTION CHAMBERS FIXED CONSTRUCTIONS HEATING KEYS LIGHTING LOCKS MECHANICAL ENGINEERING SAFES SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTIONAPPARATUS WEAPONS WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	In the door-locking device for a heating boiler (1) for solid fuels, with a top charging door (2) pivotable about a horizontal pivot axis, there is articulated on one side (2a) of the charging door (2) a retaining lever (4) which is pivotable about an axis of articulation (5) parallel to the pivot axis and located at a distance from this. The retaining lever (4) is provided with a step-shaped longitudinal slot (6) which extends essentially in its longitudinal direction and into which a detent pin (7) connected to the heating boiler (1) engages. The longitudinal slot (6) has a first portion (6a) which is adjacent to the axis of articulation (5) and into which the detent pin (7) engages during a small first part of the opening stroke of the charging door (2) and which, at its end facing away from the axis of articulation (5), terminates in a detent shoulder (8) extending transversely to the longitudinal direction. Furthermore, the longitudinal slot (6) has a laterally offset second portion (6b). The retaining lever (4) is held by its own weight and/or spring force (9) in a detent position, in which the detent pin (7) is located in the first portion (6a) and in the path of movement of the detent shoulder (8).