发明名称 Telescopic rod means with rolling display sheet
摘要 A telescopic rod includes a hollow-pipe handle having a longitudinal slit, an alignment coupler slidably moving along the longitudinal slit of the handle and operatively retained on the top of the handle adapted for aligning a display sheet with the slit, a reel pole prewound with a display sheet selected form a flat cloth or other flexible display sheets and operatively retained on the coupler for outwardly extending the pole and the display sheet for display purpose, and operatively retracted into the handle for reeling up the display sheet on the pole for its convenient handling and storage.
申请公布号 US4800834(A) 申请公布日期 1989.01.31
申请号 US19870081685 申请日期 1987.08.05
申请人 FENG, OU-YANG 发明人 FENG, OU-YANG
分类号 E04H12/32;G09F17/00;(IPC1-7):G09F17/00 主分类号 E04H12/32
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