Full automatic and vertical type louver

Details Full automatic and vertical type louver Full automatic and vertical type louver

1988-10-11

1990-04-03

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

160188, 160900, E06B 930

Patent

active

049132148

ABSTRACT:
The invention relates to the control of vertical louver, which is to improve the slide-tract of regular vertical louvers, by means of motor and drag chain to control the opening and closing, and the expansion and collapsing of the blades; by means of pressing down the control button of the control panel to automatically control the louver; respective limit switches being provided for limit control on opening, closing, expanding and collapsing, so as to make the invention become more practical.

REFERENCES:
patent: 4291738 (1981-09-01), Grenga et al.
patent: 4735251 (1988-04-01), Tsuchida et al.

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