E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
160/1
E06B 9/26 (2006.01) E06B 9/36 (2006.01)
Patent
CA 1127959
ABSTRACT OF THE DISCLOSURE A shutter blind is disclosed comprising a supporting rail means; a plurality of carriages displaceably mounted on the supporting rail; and rotating means within a respective one of the carriages. A respective one of the rotating means comprises a rotatable rod having recesses on its outer surface, a hollow cylinder surrounding the rod, the said hollow cylinder being provided with a friction-locking means on its outer surface, a keying means comprising a form-lock mating interconnection between the said rotatable rod and the said hollow cylinder, a worm gear surrounding the hollow cylinder and interconnected to the hollow cylinder by said friction-locking means. There is a plurality of sprocket gears, each sprocket gear drivingly interconnected with a respective one of the said worm gears. There is also a plurality of supporting rods, each supporting rod interconnected with a respective one of the sprockets. Finally, there is a plurality of shutters, each shutter being mounted on a respective one of the supporting rods.
333167
Fetherstonhaugh & Co.
Haller (berthold) Kg
LandOfFree
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