Movable or removable closures – Closures interconnected for concurrent movement – Louver-type closures
Patent
1990-07-05
1991-03-05
Kannan, Philip C.
Movable or removable closures
Closures interconnected for concurrent movement
Louver-type closures
49371, 981212, E05F 1700, E06B 708
Patent
active
049967932
ABSTRACT:
A modular assembly for an indoor shutter includes fully functional louvers and is assembled from extruded and/or injection molded plastic components designed to provide complete symmetry to the assembly, both side-to-side and bottom-to-top. Two identical bottom (or top) half frame members are secured together with a pair of connector members. A pair of side rail channels are slid down over the ends of the bottom frame members and enclose the connector members therein. A pivotal louver and a pair of louver supports are alternately slid into the side rail channels with the louver pivots captured between cylindrical notches on the upper and lower faces of vertically adjacent louver supports. The top frame member is connected and closed off in the same manner as the bottom frame, utilizing identical components. Common uniform control of the position of the louvers is provided by a control arm disposed within the open interior of a side frame member and completely hidden after the shutter is assembled. The control arm interconnects short crank members attached to the ends of the louver pivots such that manual rotational movement of one louver about its pivots effects common rotational movement of all of the louvers in the shutter.
REFERENCES:
patent: 192353 (1877-06-01), Smits
patent: 863573 (1907-01-01), McCord
patent: 1701695 (1929-02-01), Paine
patent: 2230707 (1941-02-01), Wallace
patent: 3451165 (1969-06-01), O'Hair
patent: 3653317 (1972-04-01), Costanzo, Jr.
patent: 3691687 (1972-09-01), Economou
AAA Sales & Engineering Inc.
Kannan Philip C.
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