Patent ID: 6137629
Filing Date: 2000-10-24
Classification: G03B

Abstract:
A projection screen system comprising:a first installation assembly installable in a structure during a first stage of construction, comprising:a projection screen housing mountable to the structure and defining an interior volume; andat least one first power connection module within said housing interior volume and circuitable with all electrical wiring that extends between said housing and an electrical power supply of the structure to enable selective powering of a motor of a second installation assembly; anda second installation assembly mountable to said first installation assembly during a second stage of construction, comprising:a roller assembly installable within said housing interior volume and including a roller and a projection screen unwindable from said roller;a motor installable within said housing interior volume and connected to said roller assembly for rotating said roller to unwind said projection screen from around said roller; andat least one power conduit installable within said housing interior volume and comprising first and second ends, said at least one power conduit first end circuited to said motor and said at least one power conduit second end comprising at least one second power connection module connectable to said at least one first power connection module to operatively circuit said motor to the power supply; andwherein said motor is completely electrically disconnected from the power supply so as to facilitate removal therefrom when said at least one second power connection module is disconnected from said at least one first power connection module.