Travel Bag Strap System for Backpack Duffle Mode Transition

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Solution Overview

Problem

Existing travel bags often require complex strap configurations and additional securing features to transition between duffle and backpack modes, making it difficult for users to easily switch between carrying methods.

Innovation Solution

A strap system anchored at multiple positions on the bag, allowing for easy conversion between duffle and backpack modes by sliding straps through clips without unclipping or reconfiguring, using a handle member for balanced carrying and adjustable straps for a snug fit.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional strap configurations are used with multiple securing features, then the bag can be carried in different modes (duffle or backpack), but the transition between modes becomes complex and tedious requiring unclipping and reconfiguring straps

Engineering Contradiction:
Improvecarrying mode flexibilityVSAvoidstrap configuration simplicity
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The strap system is designed to perform multiple functions through a single configuration. The straps are anchored at multiple positions (top, bottom, sides) and can be used interchangeably for both duffle bag carrying and backpack carrying modes without requiring different strap sets or complex reconfiguration. This universal design allows one strap system to serve multiple carrying purposes.

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

Solution Approach 2:

The strap system incorporates dynamic elements including adjustable length straps with sliding adjustments, movable clips that can be repositioned along the straps, and flexible routing that allows the same physical straps to be configured differently for various carrying modes. This dynamic capability enables easy transition between duffle and backpack modes without changing the physical straps themselves.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If additional straps or securing features are added to enable mode transitions, then the bag can switch between duffle and backpack modes, but the device complexity increases

Engineering Contradiction:
Improvemode transition capabilityVSAvoidstrap system structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The invention uses a single universal strap system that serves both duffle and backpack carrying modes. Instead of adding separate straps for each mode, the same strap assembly with multiple anchors and adjustable components is used for both purposes, reducing overall device complexity while maintaining versatility.

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

Solution Approach 2:

The strap system is segmented into modular components including separate adjustable straps, detachable clips, and distributed anchors at multiple positions. This segmentation allows the system to be reconfigured for different modes by simply adjusting or repositioning existing modular components rather than assembling a completely different strap system.

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If complex fastening mechanisms such as snaps or buttons are used to change strap configuration, then mode transitions are possible, but the transition process becomes difficult and time-consuming

Engineering Contradiction:
Improvestrap configuration changeabilityVSAvoidtransition time between modes
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The strap system uses dynamic adjustment mechanisms including sliding adjustments along the strap length, movable clips that can be easily repositioned, and flexible routing that allows quick reconfiguration. These dynamic elements enable mode transitions without requiring time-consuming fastening or unfastening operations.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The strap system is pre-configured with multiple anchors positioned at optimal locations for both duffle and backpack modes. The straps are pre-cut to appropriate lengths and pre-equipped with clips and adjustment mechanisms. This preliminary preparation allows users to quickly transition between modes by simply adjusting pre-positioned components rather than assembling from scratch or dealing with complex fastening sequences.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS10368619B2Travel bag
Publication Date: 2019.08.06 NOMATIC INC
  • US10368619B2 patent drawing
  • US10368619B2 patent drawing
  • US10368619B2 patent drawing

AI summary

A travel bag, or bag capable of being positioned in multiple configurations to allow a user to carry the bag in a plurality of ways. The bag may include straps secured to the bag in such a manner as to allow a user to easily manipulate the straps into a first configuration and a second configuration. The first configuration may be in a backpack type configuration where a user may place the straps around his/her arms and shoulders to carry the bag on the back of the user. The second configuration may be in a duffle bag type configuration where a user may hold the straps in a single hand or arm. The straps may pass freely through a clip anchored to the bag allowing the bag to easily transition from the first configuration to the second configuration.