Door Frame Leash Holder With Removable Rod Tethering

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Solution Overview

Problem

Existing systems do not provide a safe, secure, easy, and inexpensive method to tether a pet to a door frame of an RV or home for outdoor exercise or other purposes.

Innovation Solution

A two-component holder system is attached to a door frame, comprising a first component fixedly attached and a second component with opposed plates and bores, allowing a rod to secure the pet leash handle, enabling the pet to be outside without direct owner restraint.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a pet leash is directly held by the owner, then the pet can be restrained, but the owner must continuously supervise and hold the leash

Engineering Contradiction:
Improvepet exercise supervisionVSAvoidowner time for pet exercise
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The door frame holder enables the pet leash to be secured independently to the door frame structure. The holder comprises a base attached to the door frame and a vertical rod that receives the leash handle, allowing the system to function autonomously without requiring continuous owner intervention or supervision during pet exercise.

Inventive Principle:
Principle #25Self-service

2Reliability

If existing tethering methods are used, then pets can be restrained, but they are not safe or secure

Engineering Contradiction:
Improvepet tethering safetyVSAvoidtethering system structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The tethering system is divided into distinct functional components: a base element that attaches to the door frame, a vertical rod element that provides the restraint point, and a leash component. This segmentation allows each element to be optimized for its specific function while maintaining overall system simplicity and reliability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The door frame holder is designed to be universally applicable to various door frame structures. The base element can be attached to different types of door frames (wooden, metal, vinyl) using appropriate fastening methods, making the system adaptable to different home and RV configurations without requiring complex custom fabrication.

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

3Reliability

If a secure tethering system is built, then pets can be safely restrained, but it becomes expensive

Engineering Contradiction:
Improvepet tethering securityVSAvoidtethering system cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The holder components are designed to be inexpensive to manufacture using common materials such as wood, metal, or plastic. The base and rod can be fabricated from readily available materials through simple cutting and fastening operations, avoiding the need for expensive specialized components or complex assembly processes.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

4Reliability

If a permanent tethering structure is installed, then pets can be securely restrained, but it cannot be easily moved or adjusted

Engineering Contradiction:
Improvetethering stabilityVSAvoiddoor frame attachment flexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The attachment system incorporates dynamic fastening methods that allow the holder to be securely installed when needed and easily removed or repositioned when required. The base element can be attached using removable fasteners such as screws, bolts, or adhesive mounts that provide strong holding power during use but allow for straightforward removal and relocation.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS9295223B2Holder for pet leash
Publication Date: 2016.03.29 DODSON DAVID
  • US9295223B2 patent drawing
  • US9295223B2 patent drawing
  • US9295223B2 patent drawing

AI summary

A holder for selectively securing the handle of a pet leash to a door frame for a home, mobile home, manufactured home, boat house or RV, comprising a component attached to a door frame and a second component releasably attached to the first component.