Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1992-01-31
1993-08-24
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
1601761, E06B 926
Patent
active
052380432
ABSTRACT:
A venetian blind includes a plurality of slats, rotating means for rotating the slats from a first closed setting through a plurality of open settings to a second closed setting, and indicating means for indicating when the rotating means has rotated the slats to one of a plurality of predetermined desired settings, including at least one open setting. In preferred embodiments of the invention, the means for indicating includes a cam that rotates as the tilt rod is rotated. The cam has a substantially annular perimeter with a number of detents at predetermined locations corresponding to the predetermined desired settings of the slats. A spring clip is biased toward the perimeter of the cam such that a portion of the spring clip travels along the perimeter of the cam when the cam is rotated and engages a detent when it becomes aligned with the detent. The engagement of the spring clip with the detent will provide a visual indication to a user that a predetermined desired setting of the slats has been achieved since the slats will jump to the desired setting as the user rotates the slats to a position that is close to the desired setting. When a desired setting has been achieved further rotation of the slats will be impeded to provide a tactile indication to the user that the desired setting has been achieved.
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Gaber Ira
Woodring Cooper C.
Better Mousetraps Inc.
Hoare, Jr. George P.
Johnson Blair M.
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