Ball game machine with a roulette-type rotary disk and a display located in the central area therein
US5879235A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1996 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Sep 10, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2009/2461
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A roulette-like ball game machine has a rotary disk with a plurality of pockets arranged in a peripheral direction and assigned a number respectively, and a guide circle provided around the rotary disk at a somewhat higher position and joining to the rotary disk through an inclined surface. While the rotary disk is turned, a ball rolled along the guide circle falls inside and enters one of the pockets to decide a prize number. In such a ball game machine, a plurality of operation stands are arranged around the guide circle, the rotary disk is formed in an annular shape having a large inner diameter, a large-sized picture surface is provided within the central space of the rotary disk and various pictures are projected on the picture surface by an image projector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.