Is a
Patent attributes
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hsin-Fu Lin0
Date of Patent
April 5, 2005
0Patent Application Number
107750920
Date Filed
February 11, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An electric projection screen roller and balance rod assembly. The electric projection screen roller and balance rod assembly includes a projection screen roler assembly and a balance rod assembly. The projection screen roler assembly is composed by a main body and an inserting piece, and the projection screen balance rod assembly is composed by a left half portion and a right half portion. A curved against member of the inserting piece is provided to be caught in the inlaying socket of the main body, so as for the upper end section of a projection screen to be firmly secured between, and the lower end section of the projection screen is firmly secured between the left and right half portions of the projection screen balance rod.
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