Patent ID: 6876493
Filing Date: 2005-04-05
Classification: E06B,G03B,Y10S

Abstract:
1. An electric projection screen roller assembly comprising: a main body being provided with a groove in one predetermined position of the upper facing surface, a flanged strip being provided adjacent to said groove, a hollow being provided adjacent to said flanged strip, a slant against block being provided at one predetermined position on the upper facing surface of said main body, a recess being provided at one side of said slant against block, and an inlaying socket being provided adjacent to said recess; and, an inserting piece being provided with a flange at one side, a hollow being formed adjacent to said flange, a hook block being provided adjacent to said hollow, another hollow being formed adjacent to said hook block, and a curved against member being provided at the other side of said inserting piece and adjacent to said another hollow.