Retractable Leash Casing with Integrated Toy Storage
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Solution Overview
Problem
Conventional retractable leashes do not provide a convenient method for pet owners to carry and access retrieval toys while walking their pets, often requiring users to hold the toys in their hands or carry them in cumbersome bags.
Innovation Solution
A retractable leash design featuring a casing with an integrated storage compartment at the distal end, equipped with a resilient material to securely hold objects like retrieval toys, allowing them to be easily accessed without the need for additional carrying methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional retractable leashes are used, then the basic leash function is provided, but pet owners cannot conveniently carry and access retrieval toys
Solution Approach 1:
The patent combines the retrieval toy storage function with the retractable leash casing by creating an integrated compartment within the existing structure. This merging eliminates the need for separate toy carrying methods while maintaining the leash's primary function, directly resolving the contradiction between providing basic leash function and enabling convenient toy carrying.
Solution Approach 2:
The retractable leash casing is transformed into a multi-functional device that simultaneously serves as both a leash control mechanism and a storage compartment for retrieval toys. This universal design allows the same structure to perform multiple functions (leash retraction and toy storage), improving versatility without compromising ease of operation.
2Ease of operation
If retrieval toys are stored in separate bags or held in hands, then toys are carried, but user comfort and convenience are reduced
Solution Approach 1:
The patent merges the toy storage function directly into the leash casing, eliminating the need for separate bags or hand-carrying methods. This integration simplifies the overall carrying system by consolidating multiple functions into a single device, thereby improving convenience while actually reducing device complexity.
3Adaptability or versatility
If a storage compartment is added to the retractable leash casing, then toy carrying convenience is improved, but the casing structure becomes more complex
Solution Approach 1:
The patent implements a nested design where the retrieval toy compartment is integrated within the existing retractable leash casing structure. The compartment utilizes the internal space of the casing, allowing storage functionality to be nested within the原有 structure without requiring a completely new external framework, thus minimizing the increase in structural complexity.
Solution Approach 2:
The patent employs a resilient material to form the compartment walls and closure mechanism. This flexible material allows the compartment to be integrated into the casing with minimal structural modification while providing effective containment and access control, thereby improving storage capability without significantly increasing structural complexity.
4Reliability
If resilient material is attached to the casing opening, then toys are securely held, but manufacturing complexity increases
Solution Approach 1:
The patent uses a resilient material attached to the compartment opening to create a secure yet flexible retention mechanism. This material can be integrated into the molding process or attached as a separate component, providing reliable toy retention while maintaining relative manufacturing simplicity through the use of common materials and attachment methods.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables pet owners to have retrieval toys readily available without the need to carry them manually or in separate bags, enhancing user comfort and convenience while ensuring the toy is securely held during use.
Implementation Method 1
a resilient material attached to a portion of the opening
Data Source
AI summary
A retracting lead assembly including a casing with an interior surface and an exterior surface and a proximal end and a distal end, the casing having an open space at a center of the distal end; a reel mounted within the casing, the reel having a lead that is on the interior of the casing wrapped at least partially around the reel, the lead having a first end and a second end, the first end attached to the reel, the second end constructed and arranged to attach to an animal; and a handle attached to the exterior surface of the proximal end of the casing.