| http://www.w3.org/ns/prov#value | - The present inventionrelates to a venetian blind, preferably a vertical blind, having a driving mechanism including a driving shaft and a driven shaft, forming an angle between the shafts, gear transmission means, and a slip-coupling arranged between both shafts.With existing venetian blinds of this type the slip-coupling usually contains parts provided with friction surfaces pressed together, e.g
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