发明名称 Apparatus for random number selection
摘要 A portable hand held apparatus for randomly selecting by chance a plurality of numbers particularly suitable for lottery selections. A plurality of buoyant cubes are contained in the fluid tight generally opaque container. The container has a window for viewing a predetermined number of the cubes temporarily trapped and arranged adjacent the window after agitating the container by a user. A cube receiving channel is formed within the container adjacent the window for releasably trapping a desired number of cubes adjacent the window. The fluid and buoyant cubes provide a pleasing movement of the cubes within the container when agitated by the user and randomly come to rest adjacent the viewing window.
申请公布号 US4533143(A) 申请公布日期 1985.08.06
申请号 US19840628386 申请日期 1984.07.06
申请人 发明人
分类号 A63F7/04;G07C15/00;(IPC1-7):A63F3/06;A63F9/04 主分类号 A63F7/04
代理机构 代理人
主权项
地址