Pet Carrier Backpack Structure for Limb Alignment and Tail Comfort

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Solution Overview

Problem

Current pet backpacks lack adjustable features to accommodate the unique shapes and sizes of pets, causing discomfort by misalignment of limb holes, lack of tail ports, insufficient rigidity and compression, multiple entry/exit points, and inadequate handles for easy handling.

Innovation Solution

A backpack with multiple entry and exit points, a tail port, adjustable compression, and multiple handles, along with a brace for neck support and breathable mesh, designed to accommodate pets comfortably.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If separate holes are provided for pet limbs in current backpacks, then the structure is simple, but the holes do not align properly with limbs of pets of unique shapes and sizes causing discomfort

Engineering Contradiction:
Improveaccommodation of different pet sizes and shapesVSAvoidstructure of limb opening
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines two separate limb holes into a single larger opening that can accommodate both front limbs of the pet. This merged opening is positioned and sized to fit pets of various sizes and shapes, resolving the contradiction between adaptability and structural simplicity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The single larger opening serves multiple functions: it accommodates both front limbs simultaneously, adapts to different pet sizes and shapes, and maintains structural simplicity. This universal design eliminates the need for separate holes while providing comfort for diverse pets.

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

2Ease of operation

If current backpacks lack tail ports, then the structure is simpler, but pets experience discomfort due to inability to protrude tail

Engineering Contradiction:
Improvepet comfortVSAvoidnumber of openings
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent segments the backpack structure by adding a dedicated tail port as a separate opening distinct from the limb opening. This segmentation allows the tail to protrude independently without interfering with limb placement, improving pet comfort while maintaining clear functional separation.

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If current backpacks lack multiple entry and exit points, then the structure is simpler, but loading and unloading pets becomes difficult

Engineering Contradiction:
Improveloading and unloading easeVSAvoidnumber of openings
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent makes the single larger opening serve multiple functions as both an entry point and an exit point for loading and unloading pets. This multi-functional design eliminates the need for separate entry and exit openings, improving ease of operation while maintaining structural simplicity.

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

4Ease of operation

If current backpacks lack multiple handles, then the structure is simpler, but handling the pack during loading, unloading, or picking up becomes difficult

Engineering Contradiction:
Improvehandling easeVSAvoidnumber of handles
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent segments the handling function by providing multiple handles at different locations on the backpack. This allows different handles to be used for different operations (loading, unloading, picking up), improving ease of operation while distributing the structural complexity across multiple simple handle elements.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS12582087B2Backpack for carrying animals
Publication Date: 2026.03.24 LITTLE CHONK CO
  • US12582087B2 patent drawing
  • US12582087B2 patent drawing
  • US12582087B2 patent drawing

AI summary

A backpack for carrying pets includes a main body that has a compartment for carrying a pet, shoulder straps attached to the front of the main body, a brace attached to the back of the main body, and a yoke attached to the brace so that a singular hole is formed between the yoke and a top portion of the main body that defines a paw portal allowing the limbs of the pet to protrude from the backpack. A tail port can be included at a bottom of the main body to allow the tail of the pet to protrude from the main body. The main body and brace provide rigidity and adjustable compression to allow the pet to sit up in the main body when carried in the backpack. The main body has multiple entry and exit points for loading and unloading the pet.