发明名称 Football goal posts with message matrix
摘要 A football goal post is provided wherein the U-shaped target portion consisting of the cross-bar and uprights is attached to one end of an elongated boom. The other end of the boom is pivotably connected to a ground anchored vertical support member so that the U-shaped target can be raised out of position when it is not needed. Also provided within the uprights is a photocell field for properly registering the passage of a football through the target. The goal post support member has mounted thereon a computer-programmed vertical reading message matrix including rows of lights to form desired messages.
申请公布号 US4026554(A) 申请公布日期 1977.05.31
申请号 US19740536001 申请日期 1974.12.23
申请人 G.E.K. ENTERPRISES, INC. 发明人 KARKOSKA, GEORGE E.
分类号 A63B63/00;(IPC1-7):A63B67/00 主分类号 A63B63/00
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