Control units

Details Control units Control units

2006-09-05

2006-09-05

Purol, David (Department: 3634)

Flexible or portable closure, partition, or panel

Roll type

With rotating means

C160S323100

Reexamination Certificate

active

07100668

ABSTRACT:
A control unit for use in a window blind head rail assembly includes a sprocket wheel, a chain guard housing, a sprocket support and wrap spring, a splined bush for engagement with a roller blind tube and a center pin, wherein the center pin has a center-pin head and a body, the center-pin head including one or more fins adapted to co-operatively engage with one or more recesses in the sprocket support.

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