Golf Bag Crush Zone Structure for Club Tangle Prevention

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Solution Overview

Problem

Existing golf bags with ground-flush bases experience club tangle due to fabric bunching when legs are extended, causing difficulty in removing individual clubs.

Innovation Solution

The golf bag incorporates a crush zone in the fabric flat that collapses outward, a tall base ring, and dividing ribs to prevent fabric collapse and maintain club positions, along with a reinforced divider sleeve to reduce entanglement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the legs are extended to support the bag, then the bag can stand in a self-supporting position, but the fabric flat collapses and causes club tangle

Engineering Contradiction:
Improveself-supporting positionVSAvoidclub tangle
Core Design Contradiction:
Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The fabric flat is segmented into a crush zone and a non-crush zone. The crush zone is designed to collapse outward when legs are extended, while the non-crush zone remains intact to prevent club tangle. This segmentation allows the fabric to accommodate leg extension without causing grips to crisscross.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The harmful collapse effect is extracted and redirected to the crush zone, which is specifically designed to absorb the deformation. By taking out the crush zone as a separate functional element, the remaining fabric areas can maintain their structure and prevent club entanglement.

Inventive Principle:
Principle #2Taking out (Extraction)

2Object-affected harmful factors

If a rigid base is used to prevent fabric collapse, then the base lifts off the ground, but the bag becomes unstable and aesthetically unpleasing

Engineering Contradiction:
Improvefabric collapseVSAvoidbag stability
Core Design Contradiction:
Object-affected harmful factorsVSStability of the object's composition

Solution Approach 1:

Instead of making the entire base rigid, only specific areas (the crush zone) are designed to be compliant and collapse outward. The rest of the base maintains its ground-flush position to ensure stability and aesthetics. This localized approach allows fabric collapse prevention without sacrificing overall bag stability.

Inventive Principle:
Principle #3Local quality

3Object-affected harmful factors

If the fabric flat is constrained to prevent collapse, then club tangle is reduced, but the bag structure becomes more complex

Engineering Contradiction:
Improveclub tangleVSAvoidbag structure
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The natural collapse of the fabric flat during leg extension is converted from a harmful effect into a beneficial feature. The crush zone is designed to collapse outward in a controlled manner, transforming the potentially harmful fabric deformation into a protective mechanism that prevents club tangle while maintaining structural simplicity.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Data Source

PatentUS12629575B2Golf bag with fold out crush zone
Publication Date: 2026.05.19 KARSTEN MFG CORP
  • US12629575B2 patent drawing
  • US12629575B2 patent drawing
  • US12629575B2 patent drawing

AI summary

Described herein is a golf bag with a deployable stand assembly and anti-tangle features that prevent clubs from tangling within the golf bag, and in particular, prevent golf club grips from crossing over and other and making it difficult to pull out a particular club. Because multiple golf clubs are often placed together in a single golf bag, the golf clubs can get in each other's way. Golf clubs can tangle if their shafts or grips crisscross within the bag. Club tangle is typically caused by movement of the club grips, while the clubs are stored in the bag. When clubs are tangled, it becomes hard to remove a single golf club without either facing resistance or pulling a second club out. Golf clubs are typically placed head-up in a golf bag, resulting in the golf club grips sitting in the base of the bag. During a golf round, fabric portions of the bag can crumple, especially near the base, restricting the available area for the golf clubs. The area restriction can shift the grips and aggravate entanglement. The golf bag described herein comprises features that alleviate club tangle by preserving grip and shaft positions during bag use.