Hinged Removable Pet Door for Renters

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Solution Overview

Problem

Pet owners, especially renters, face challenges in installing pet doors due to the need for structural modifications, and there is a lack of portable solutions for holiday homes without existing pet doors.

Innovation Solution

A removable pet door design featuring a lower wall section hingedly connected to an upper wall section with a hinging assembly, allowing for easy installation and transport, using engagement portions with door tracks and side door openings, and featuring retractable hinge mechanisms for secure and space-efficient storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a traditional pet door is installed in a door or wall, then pets can enter or leave the premise independently, but structural modifications are required which renters cannot make

Engineering Contradiction:
Improvepet access independenceVSAvoidinstallation requirement
Core Design Contradiction:
Ease of operationVSEase of manufacture

Solution Approach 1:

The pet door is divided into two main wall sections (upper and lower) that can be separately installed and removed. Each section contains engagement portions that interface with door tracks, allowing the pet door to be segmented into installable components without requiring permanent structural modification

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The wall sections are hingedly connected rather than rigidly fixed, creating a dynamic structure that can be folded for storage or transport. The hinge assembly allows the sections to move between an operational position (when installed) and a stored position (when removed), enabling easy installation and removal without permanent attachment

Inventive Principle:
Principle #15Dynamics

2Reliability

If a pet door is installed in a permanent structure, then pets have continuous access, but the solution is not portable for holiday homes

Engineering Contradiction:
Improvepet access continuityVSAvoidportability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The hinged connection between wall sections creates a dynamic system that transitions between operational and portable states. When installed, the sections remain in position providing continuous access; when needed for portability, the sections can be folded and removed entirely, allowing the same structure to serve both permanent and temporary installation needs

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The pet door design serves multiple functions: it provides permanent installation capability through engagement portions that interface with door tracks, while simultaneously enabling portable use through its removable and foldable construction. The same structure can be installed in rental properties, holiday homes, or transported for storage, making it universally applicable across different housing situations

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

3Adaptability or versatility

If wall sections are hingedly connected for portability, then the pet door can be folded for storage, but the hinge mechanism adds structural complexity

Engineering Contradiction:
Improvestorage capabilityVSAvoidhinge mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The hinge assembly is segmented into discrete components including connection members, engagement portions, and pivot points that can be independently manufactured and assembled. This segmentation simplifies the overall construction by breaking down the complex hinged connection into manageable parts that interface with standardized door track systems

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The hinge mechanism is designed to be dynamic rather than static, allowing the wall sections to move freely between positions. This dynamic design reduces the need for complex locking or securing mechanisms, as the hinge naturally allows movement while maintaining connection, simplifying the overall structural complexity compared to rigid fixed connections

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS11767709B2Folding patio pet door
Publication Date: 2023.09.26 ANIMALISTIC PET PROD PTY LTD
  • US11767709B2 patent drawing
  • US11767709B2 patent drawing
  • US11767709B2 patent drawing

AI summary

The present invention relates to a removable pet door. The removable pet door comprising a lower wall section hingedly connected to an upper wall section. The present removable pet door addresses or ameliorates some of the issues encountered by presently available pet doors.