Patent ID: 6227279
Filing Date: 2001-05-08
Classification: E06B

Abstract:
A venetian type blind comprising:a bottomrail;a headrail positioned above the bottomrail;a plurality of upper ladders extending from the headrail toward the bottomrail each upper ladder having a front rail and a rear rail;a plurality of lower ladders extending from the bottomrail toward the headrail each lower ladder having a front rail and a rear rail;a tilting slat having a center segment and opposite end segments pivotably connected to the center segment such that the upper ladders are connected to one of the center segment and the end segments and the lower ladders are connected to the other of the center segment and the end segments;a plurality of upper slats carried on the upper ladders;a plurality of lower slats carried on the lower ladders;at least two lift cords attached to the bottomrail, running past the lower slats and the upper slats and passing into the headrail; anda locking device connected between the center segment and an end segment, wherein the locking device is at least one detent in one of the center segment and the end segment and a mating slot in the other of the center segment and the end segment.