发明名称 Bowling pin having reinforcing structure
摘要 A bowling pin includes a bar secured on top of a core for forming a neck portion of the bowling pin, and a reinforcing rod engaged in the core and the bare for reinforcing the core and the bar. The bar may include a projection engaged into the core for solidly securing the bar to the core. The reinforcing rod may include an outer thread for threading to the core. One or more outer panels may be engaged around the core and around a portion of the bar for solidly securing the bar to the core. An outer cloth layer may be engaged around the outer panels for reinforcing the outer panels.
申请公布号 US6478686(B1) 申请公布日期 2002.11.12
申请号 US20010930407 申请日期 2001.08.16
申请人 JENG FEN SHUTTLE & BOTTIN CO., LTD. 发明人 CHEN CHIN TSAI
分类号 A63D9/00;B27M3/22;(IPC1-7):A63D9/00 主分类号 A63D9/00
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