发明名称 In-line drop targets
摘要 A play feature for a pinball machine is described comprising a plurality of drop targets that are preferably located in-line along a confined lane of a pinball playfield, each of the drop targets extending through an opening in the playfield and being movable between an up and a down position. The play feature further comprises means for releasably maintaining each of the drop targets in the up position until struck by a ball propelled up the lane, resetting means for simultaneously raising the drop targets from the down position to the up position, and driving means for driving the resetting means in response to an electric signal being applied thereto.
申请公布号 US4257604(A) 申请公布日期 1981.03.24
申请号 US19790045139 申请日期 1979.06.04
申请人 BALLY MANUFACTURING CORPORATION 发明人 GRABEL, IRWIN J.;ANDERSEN, GLENN R.
分类号 A63B71/00;A63F7/32;(IPC1-7):A63B71/00 主分类号 A63B71/00
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