CLUTCH FOR BLINDS

The present invention relates to a chain guard housing and clutch assembly (100, 200) for a blind comprising:a first end (100', 200') which is able to be inserted into a roller blind tube;a second end (100", 200") engageable with a wall mounting bracket;a drive spline (110, 210)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TIMOTHY COURT, Nigel, WHITESIDE, Wayne, KIMBERLEY, Malcolm, DICKSON, Russell, DICKSON, Stuart
Format: Patent
Sprache:eng ; lit
Schlagworte:
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Beschreibung
Zusammenfassung:The present invention relates to a chain guard housing and clutch assembly (100, 200) for a blind comprising:a first end (100', 200') which is able to be inserted into a roller blind tube;a second end (100", 200") engageable with a wall mounting bracket;a drive spline (110, 210) forming the outer part of the chain guard housing and clutch assembly (100, 200) which is able to engage with the inside of a roller blind tube;a chain wheel (120, 220) , connected to the drive spline (110, 210) ;a chain cover module (130, 230) comprising a rim (132, 232) , the rim covering part of the chain wheel (120, 220) ;a central pin (114, 214) extending from the drive spline (110, 210) at the first end (100', 200') , the central pin (114, 214) comprising at least one deformable leg (115, 215) engaged with the chain cover (130, 230) via an outward facing catch face (116, 216) on the leg (115, 215) , thus preventing axial movement of the chain cover module (130, 230) relative to the drive spline (110, 210) ; anda quick release actuator (140, 240) located at a second end (100", 200") of the assembly comprising an inner annular abutment surface (144, 244) in contact with the at least one leg (115, 215).