Roulette Ball Receiving Parts Using Compressed Air Discharge
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Solution Overview
Problem
Existing roulette gaming machines require complex systems for ball collection and discharge, leading to increased costs and maintenance complexity, and hinder player viewing angles due to the design of ball receiving parts and roulette plates.
Innovation Solution
A roulette device that uses compressed air to repeatedly roll a ball on a roulette plate without the need for ball collection or discharge systems, featuring ball receiving parts with a depth shorter than the ball diameter and a bank passage with inclined planes, allowing easy ball detection and reduced maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ball receiving parts are formed with predetermined depth to cover part of the ball, then the ball can be collected, but the roulette plate height must be increased which hinders player viewing
Solution Approach 1:
The patent extracts the ball collection function from the ball receiving parts by providing a separate ball collecting part. The ball passing holes allow balls to be discharged from the ball receiving parts, and the dedicated ball collecting part receives these discharged balls. This separation enables the ball receiving parts to have reduced depth while maintaining ball collection capability through the external collecting part.
Solution Approach 2:
The patent introduces ball passing holes as an intermediary mechanism between the ball receiving parts and the ball collecting part. These holes serve as a mediator that enables ball transfer from the receiving parts to the collecting part, allowing the receiving parts to be shallower while still achieving effective ball collection through the intermediary passage.
2Volume of stationary object
If ball passing holes are formed on each ball receiving part for ball collection, then the system size is reduced, but complex operating units such as shutters are required increasing cost and maintenance
Solution Approach 1:
The patent implements a passive ball discharge mechanism where balls are discharged from the ball receiving parts through ball passing holes using gravity and the natural rolling motion of the balls themselves. No active operating units such as shutters or motors are required at each ball receiving part. The system uses the balls' own kinetic energy and gravitational force to achieve discharge, eliminating the need for complex localized control mechanisms.
3Reliability
If ball receiving parts have operating units like shutters for opening/closing, then ball collection is enabled, but cost increases and game may stop due to breakdown
Solution Approach 1:
The patent removes the operating units (shutters, motors, sensors) from each ball receiving part and extracts the ball collection control function to a centralized ball collecting part. The ball passing holes remain open and passive, eliminating per-part operating units. Only simple structural elements are needed at each receiving part, significantly reducing manufacturing cost and potential failure points.
4Productivity
If roulette plate has discharge opening for ball discharge, then ball can be returned to roulette plate, but plate height must be higher than predetermined height
Solution Approach 1:
The patent resolves the height constraint by changing the spatial arrangement from a vertical discharge approach to a horizontal/external collection approach. Instead of discharging balls upward through openings in the roulette plate (which would require high plate height), the system uses ball passing holes to discharge balls laterally to an external ball collecting part positioned at a lower elevation, enabling ball return without increasing plate height.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates operation and maintenance, reduces costs, and enhances player entertainment by allowing easier viewing of the ball as the ball receiving parts and roulette plates can be made shorter, improving the overall gaming experience.
Implementation Method 1
a first discharge hole which is provided in each ball receiving part and through which the air compressed by the compressor is discharged to the bank passage
Data Source
AI summary
A roulette device including: a roulette plate having a plurality of marks arranged thereon; a ball which rolls on the roulette plate; a plurality of ball receiving parts which are formed corresponding to the marks in a circumferential direction of the roulette plate to receive the ball; a bank passage which is provided on an outer periphery of the ball receiving parts of the roulette plate and on which the ball rolls along a circumferential orbit; a compressor which compresses air; and a first discharge hole which is provided in each ball receiving part and through which the air compressed by the compressor is discharged to the bank passage.


