E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
160/1
E06B 9/32 (2006.01) E06B 9/70 (2006.01)
Patent
CA 1300487
ABSTRACT Drive unit for a vertical blind or the like, where the slats of the vertical blinds can be moved by an endless pull element, such as a pull chain. The drive unit has a housing (5) formed, for example, of plastic, an electric drive motor (6) placed in the housing (5), and a drive pinion or the like coupled to the drive motor, optionally by an inserted reduction gear. By enclosing of the drive components within the housing, a safe and unobtrusive drive unit is created. Preferred embodiments of the unit are constructed to enable the pull element to enter the housing through openings therein and be hung on the drive pinion. By this construction and the provision of control switches on the housing for operation of the electric drive motor, the drive unit is inexpensive and able to be retrofitted simply and versatily. Additionally, in an emergency, easy hand operation of the vertical blinds is still possible. Still further, the drive unit is designed to enable mounting of it in each of two positions that are displaced 180° relative to each other by the provision of openings for the pull element at each of opposite sides of the housing and by enabling the mounting position of the switch controls to be inverted relative to the remainder of the housing.
571144
Borden Ladner Gervais Llp
Rademacher Wilhelm
LandOfFree
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