Vertical blind mechanism

Details Vertical blind mechanism Vertical blind mechanism

1987-02-09

1988-04-12

Britts, Ramon S.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

160319, 1601661, E06B 936

Patent

active

047367849

ABSTRACT:
A vertical blind mechanism using a traverse assembly with several louver carrying carriers that are interconnected with a pantograph and the louvers are rotated by the movement imparted by drive shaft disposed through the carriers. The drive wheel assembly includes two sprocket wheels, one of them freewheeling and the other one drives the shaft. Cords are routed through the carriers and connected to at least one of the carriers so that the movement to the others is transmitted through the pantograph. The sprockets have headed spring loaded terminations that are inserted through a bushing that is rigidly mounted to the drive assembly.

REFERENCES:
patent: 3190346 (1965-06-01), Arena et al.
patent: 3280891 (1966-10-01), Eldredge, Jr.
patent: 3366160 (1968-01-01), Anderson
patent: 3581800 (1971-06-01), Nelson et al.
patent: 4009745 (1977-03-01), Erpenbeck
patent: 4381029 (1983-04-01), Ford et al.
patent: 4381812 (1983-05-01), Ford et al.
patent: 4425956 (1984-01-01), Terlecke
patent: 4449564 (1984-05-01), Hansen et al.
patent: 4628981 (1986-12-01), Ciriaci et al.
patent: 4657060 (1987-04-01), Kaucic

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