发明名称 Bowling alley gutter duster apparatus
摘要 A bowling alley gutter dusting apparatus is disclosed that automatically and simultaneously dusts four gutters and the ball return chute. The apparatus includes a dusting appendage, a housing unit, a guidance structure, and a propulsion system. A method for dusting bowling alley gutters is also disclosed.
申请公布号 US4137591(A) 申请公布日期 1979.02.06
申请号 US19770828454 申请日期 1977.08.29
申请人 BAKER, DAVID E. 发明人 BAKER, DAVID E.
分类号 A63D5/10;(IPC1-7):A47L11/24 主分类号 A63D5/10
代理机构 代理人
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