Collapsible projection screen systems

Details Collapsible projection screen systems Collapsible projection screen systems

2004-05-12

2011-10-11

Mahoney, Christopher (Department: 2862)

Optical: systems and elements

Projection screen

C359S461000

Reexamination Certificate

active

08035893

ABSTRACT:
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.

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Notice of Reasons for Rejection for Japanese Application No. 2007-511762 dated May 26, 2009.

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