Static structures (e.g. – buildings) – Facer held by stiffener-type frame – Facer attached between exposed frame members
Patent
1993-02-25
1994-12-06
Friedman, Carl D.
Static structures (e.g., buildings)
Facer held by stiffener-type frame
Facer attached between exposed frame members
52476, 5250607, 362148, 362150, 362330, 362408, F21V 2130
Patent
active
053699319
ABSTRACT:
A frame for a louver holds the louver below the ceiling surface, away from a light fixture. This helps to collimate the light rays and direct the light downward, thus preventing unwanted sideways glare. In addition, the use of a frame tends to hold the louver more securely in the ceiling framework. The frame is formed of Z-shaped members, with one arm of the Z resting on the T-bar cross-bar and the other arm supporting the louver. A stop along one side of the frame prevents movement of the louver in the frame. In one aspect of the invention, rotatable angle supports at the ends of the frame rotate from a vertical position for use during louver installation to a horizontal supporting position for supporting the louver in the frame.
REFERENCES:
patent: 3021929 (1962-02-01), Carlin et al.
patent: 3383811 (1968-05-01), Ades
patent: 3417530 (1968-12-01), Long
patent: 4175360 (1979-11-01), Mulvey
patent: 4272804 (1981-06-01), Blum
patent: 4619086 (1986-10-01), Naka
patent: 4951443 (1990-08-01), Caferro
Product brochure, Retrofit Systems, Kwik Change, dated Jan., 1990, Ontario, Canada, Author: Liteline Corporation, 2 pages.
Product brochure, The Eliminator Framing System, date precedes filing of application, U.S.A., Author: Louvers International, 6 pages.
Friedman Carl D.
Inner Fit Enterprises, Inc.
Lambert Anthony R.
Wilkens Kevin D.
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