发明名称 Tri-folded umbrella
摘要 A tri-folded umbrella is disclosed. An enhanced frame of the umbrella comprises pivotably coupled first, second, and third yoke-shaped pivot members formed of plastic, first, second, and third latches, first, second, third ribs, first and second links, and a stretcher. The invention enables an easy assembly and a more compact size after folding.
申请公布号 US6758228(B1) 申请公布日期 2004.07.06
申请号 US20030372991 申请日期 2003.02.26
申请人 YOU CHING-CHUAN 发明人 YOU CHING-CHUAN
分类号 A45B19/10;A45B25/02;(IPC1-7):A45B25/00 主分类号 A45B19/10
代理机构 代理人
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