Adjustable Fence Billiard Rack for Multi-Game Setup

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Solution Overview

Problem

Existing racking devices for pocket billiards are inefficient and not adaptable for multiple games, requiring multiple devices with different dimensions, which is not practical or commercially successful.

Innovation Solution

A one-piece, integrated racking device with rotating fences (gates) that can be adjusted from a straight pool to 9-ball configuration without changing racks, allowing for efficient ball placement and easy removal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single racking device is used for multiple games, then the need for multiple racks is eliminated and storage space is reduced, but the device complexity increases due to the need for adjustable fences

Engineering Contradiction:
Improvemulti-game compatibilityVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The racking device incorporates movable fences that can be adjusted to different positions using hinge pins and slots. This dynamic structure allows the same rack to accommodate different ball configurations for multiple games (straight pool, 8-ball, 10-ball, 9-ball) without requiring separate racks for each game type.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The racking device is designed as a universal multi-functional unit that can serve multiple purposes. By integrating adjustable fences that can be repositioned along the sides of the triangular rack, a single device can properly rack balls for different game types, eliminating the need for multiple specialized racks.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If adjustable fences are added to accommodate different games, then versatility for multiple games is achieved, but the ease of operation decreases due to additional adjustment steps

Engineering Contradiction:
Improvemulti-game compatibilityVSAvoidball racking speed
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The racking device divides the adjustment mechanism into discrete, manageable segments. Each fence can be independently adjusted using individual hinge pins that fit into predefined slots. This segmentation allows for quick, step-by-step reconfiguration without requiring complex adjustments, maintaining ease of operation while achieving versatility.

Inventive Principle:
Principle #1Segmentation

3Ease of manufacture

If a one-piece integrated design is used, then manufacturing simplicity and structural integrity are improved, but adaptability for different games deteriorates

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidmulti-game compatibility
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The one-piece triangular rack body is manufactured as a single integrated structure for simplicity and strength, while the fences are designed as adjustable components that attach to this rigid base. This combination maintains manufacturing simplicity for the main structure while incorporating dynamic, adaptable elements where needed to achieve multi-game compatibility.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS11045714B1Combination ball racking device for pocket billiards
Publication Date: 2021.06.29 THIES JOHN EDWARD
  • US11045714B1 patent drawing
  • US11045714B1 patent drawing
  • US11045714B1 patent drawing

AI summary

A pocket billiards racking device for one or more game configurations. The rack shows a practical, functional, useful and simplified improvement. The design improvements shows a conventional equilateral triangle rack, showcasing a novel set of positional “fences” (i.e., Gates). The Gates, or Fences, incorporated, inset and hinge-pin within the triangular rack, simplifying the setup of the games and streamlining its design.