Pet Mobility Carrier Assembly With Adjustable Multidirectional Rollers

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Solution Overview

Problem

Existing pet mobility devices are bulky, impractical for indoor use, require custom fitting, and lack adjustable wheel positioning, limiting their versatility and practicality for different animals.

Innovation Solution

A compact, furniture-friendly pet mobility carrier assembly with multi-directional rollers and adjustable attachment points, allowing secure attachment and movement for animals with either front or rear leg disabilities, featuring a carrier base, animal support, and optional drag bags or harnesses for enhanced mobility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional pet mobility devices are used, then animals with leg disabilities can be supported, but the devices are bulky and impractical for indoor use

Engineering Contradiction:
Improveanimal support capabilityVSAvoiddevice size
Core Design Contradiction:
ReliabilityVSVolume of moving object

Solution Approach 1:

The device is divided into separate modular components including a harness assembly, a frame assembly with adjustable leg assemblies, and wheel assemblies. This segmentation allows the device to be compact when stored and easily adjusted for different animals while maintaining full support functionality when assembled.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The leg assemblies incorporate adjustable mechanisms that allow the device to adapt its configuration dynamically. The adjustable length and angle of the leg assemblies enable the device to be compact for storage yet provide adequate support when in use, resolving the contradiction between compactness and support reliability.

Inventive Principle:
Principle #15Dynamics

2Reliability

If traditional pet mobility devices are used, then animals can be supported, but custom fitting is required for each animal

Engineering Contradiction:
Improveanimal support capabilityVSAvoidadjustability for different animals
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The frame assembly includes leg assemblies with adjustable length and angle mechanisms, allowing the device to be customized for different animal sizes and disabilities. This dynamic adjustability enables a single device to fit multiple animals with varying requirements while maintaining reliable support.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The device is designed as a universal solution that can accommodate various animals with different leg disabilities through its adjustable components. The harness assembly and frame assembly work together to provide adaptable support for front leg, rear leg, or complete paralysis cases.

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

3Speed

If traditional pet mobility devices are used, then animals can move, but wheel positioning is not adjustable

Engineering Contradiction:
Improveanimal movement capabilityVSAvoidwheel positioning adjustment
Core Design Contradiction:
SpeedVSAdaptability or versatility

Solution Approach 1:

The wheel assemblies are mounted on adjustable leg assemblies that can be positioned at different lengths and angles. This dynamic positioning capability allows the wheels to be optimally positioned for each animal's specific disability and movement needs, enhancing both speed and adaptability.

Inventive Principle:
Principle #15Dynamics

4Volume of moving object

If compact design is used, then device is furniture-friendly for indoor use, but may reduce support capability

Engineering Contradiction:
Improvedevice sizeVSAvoidanimal support capability
Core Design Contradiction:
Volume of moving objectVSReliability

Solution Approach 1:

The segmented modular design allows the device to be compact when disassembled for storage or transport, yet provides full support capability when assembled. The separate harness, frame, and wheel assemblies can be configured to provide adequate support while maintaining a compact footprint for indoor use.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The adjustable leg assemblies enable the device to achieve an optimal balance between compactness and support capability. When not in use, the device can be configured in a compact state, and when assembled, the leg assemblies can be extended to provide necessary support height and stability.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS12357525B2Pet mobility carrier assembly
Publication Date: 2025.07.15 WALKIN PETS INC
  • US12357525B2 patent drawing
  • US12357525B2 patent drawing
  • US12357525B2 patent drawing

AI summary

A pet mobility carrier assembly for a disabled animal having either a rear leg disability or a front leg disability. The assembly includes a carrier base with a perimeter surface, a carrier animal support removably disposed on the carrier base, and at least three rollers connected to the carrier base that provides multi-directional movement to the pet mobility carrier assembly when on a floor.