公开(公告)号：US4199868A

公开(公告)日：1980-04-29

申请号：US012866

申请日：1979-03-05

申请人： R. James Steward

发明人： R. James Steward

IPC分类号： B43L11/00

CPC分类号： B43L11/005

摘要： An amusement device including a base and a support carried by the base for suspending a pendulum above a marking surface. The pendulum includes a marker for tracing figures on the marking surface which is provided by a granular material contained in a bowl carried by the base. As the pendulum swings to and fro, the bowl can be rotated to control the tracing of geometrical figures on the marking surface.

摘要翻译： 一种娱乐装置，包括基座和由基座承载的支撑件，用于将摆锤悬挂在标记表面之上。 摆锤包括用于跟踪标记表面上的图形的标记，该标记由容纳在由基座承载的碗中的颗粒材料提供。 当钟摆来回摆动时，可以转动碗来控制标记表面上几何图形的跟踪。