Transmission mechanism for the adjustment of inclination angle o

Details Transmission mechanism for the adjustment of inclination angle o Transmission mechanism for the adjustment of inclination angle o

1988-08-02

1989-09-26

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

1601661, 160115, E06B 926

Patent

active

048693081

ABSTRACT:
An improved transmission mechanism for the adjustment of the angle of the leaves of venetian blinds, comprising two gears, a cylindrical body, a bevel gear, a shifting means and a cord. It can selectively connect the adjusting rod to a first rotary beam which controls the inclination angle of the leaves of the upper half of the venetian blind or to a second rotary beam which controls those of the lower half of the venetian blind via a cord for controlling the shifting member. It is structurally compact and simple, thus greatly saving the cost of production.

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