Plug for use with control units

Details Plug for use with control units Plug for use with control units

E - Fixed Constructions

06

B

E06B 9/42 (2006.01) E06B 9/56 (2006.01)

Patent

CA 2534765

The invention relates to a plug for releasable engagement with the centre-pin of a roller blind control unit wherein engagement of the plug with the pin ensures that a tip of the centre-pin engages an external surface of the control unit. In addition, a releasably inter-engaging combination of this plug and centre-pin wherein insertion of the centre-pin through a roller blind control unit and engagement with the plug, ensures that a tip of the centre-pin engages an external surface of the control unit is described. The invention also relates to a control unit for use in a window blind head rail assembly comprising: a sprocket wheel, a sprocket support and wrap spring, a splined bush for engagement with a roller blind tube, a centre-pin, and a plug for releasable engagement with the centre-pin.

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