作者: Max Wiczer
DOI:
关键词: Bridge (interpersonal) 、 Engineering 、 Structural engineering 、 Spinning 、 Mechanical engineering
摘要: The spinning target assembly comprises a post rotatably mounted to the playfield board of pinball game. A bridge extends over and is substantially parallel board. Three units hang downwardly from bridge. carried thereby are rotatable about axis any selected position. Each unit includes pair supports therebetween thereby. switch associated with each located in sense number revolutions target.