Patent
1989-12-07
1991-01-15
Wintercorn, Richard A.
52281, G03B 2156
Patent
active
049848712
ABSTRACT:
A hanging device for hanging an optical rear projection screen comprising means for securing a top portion of the screen, means for non-rigidly restraining a bottom portion of the screen to allow expansion and contraction of the screen, and means for adjusting the screen in a lateral or longitudinal direction. The securing means comprises a pair of upper brackets, compression strips and a fastening element and the restraining means comprises a pair of lower brackets and compression strips to sandwich the screen therebetween. Means for holding and separating contiguously mounted optical rear projection screens may be provided wherein the means comprises a vertical support having an outer and inner longitudinally extending channel formed on opposing surfaces. Means for joining a front lenticular lens piece to a rear fresnel piece of a two piece optical rear projection screen are also provided. The joining means comprises means for hanging a top portion of the rear surface of the front piece from a top portion of the rear surface of the rear piece to allow the weight of the front piece to hold it flat against the rear piece. The hanging means prevents downward sliding of the front piece.
REFERENCES:
patent: 4254600 (1981-03-01), Zwissler
LandOfFree
Optical rear projection screen hanger assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical rear projection screen hanger assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical rear projection screen hanger assembly will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-51613