08035893 is referenced by 2 patents and cites 23 patents.

A collapsible projection screen system mountable on or at a moveable carriage (10), the system comprising a flexible projection screen (16) moveable between a collapsed position and an erect position in which the screen (16) is supported by a support arrangement (14, 15), and a screen tensioning mechanism (64, 40, 56) operable on the screen (16) in the erect position to provide a generally flat screen surface. In another embodiment there is disclosed a mounting assembly for a flexible projection screen in a collapsible projection screen system having a roller, a mechanism for applying tension across and between a leading edge and a trailing edge of the screen in the erect position, the mechanism comprising a braking device and a drive apparatus.

Collapsible projection screen systems
Application Number
Publication Number
8035893 (B2)
Application Date
May 12, 2004
Publication Date
October 11, 2011
Silas Creel
Berowra Waters
Amster Rothstein & Ebenstein
G03B 21/56
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