发明名称 Pinball machine with gate-ramp
摘要 In a pinball machine a structure holding a ramp and targets is provided on the playfield to create a gate-like covering for an opening and passage to other targets and areas of the playfield. When a ball travelling on the ramp strikes the targets carried by the ramp, the ramp is pivoted to its open position revealing an opening and passage to other targets and areas of the game.
申请公布号 US4934699(A) 申请公布日期 1990.06.19
申请号 US19890441468 申请日期 1989.11.27
申请人 DATA EAST PINBALL, INC. 发明人 KAMINKOW, JOSEPH E.;CEBULA, EDWIN
分类号 A63F7/00;A63F7/30 主分类号 A63F7/00
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