Control device for slat blinds

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type

Reexamination Certificate

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Details

C160S170000, C160S084040, C074S397000, C185S039000

Reexamination Certificate

active

07866367

ABSTRACT:
A control device for blinds includes a transmission unit, a scrolling unit and a tilting unit, the transmission unit includes a case in which a coil spring and a gear unit are received. The coil spring is connected between the gear unit and the case. The scrolling unit includes two scrolling rods which are rotated with a transmission rod. Each scrolling rod has a lift cord wrapped thereon and extending through slats of the blinds. The tilting unit includes two tilt members connected to two respective end sections of the two scrolling rods. Two tilt cords have two respective positioning members which are clamped in two clamp grooves of the two tilt members and the tilt cords extend through the slats. The gears in the gear unit can be adjusted so as to cooperate with slats of different weights.

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patent: 2008/0210387 (2008-09-01), Yang

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