360° Rotatable Pet Tether with Remote Radius Control
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Solution Overview
Problem
Existing pet tethers often tangle around objects and require manual untangling, posing challenges for pet owners, especially those with mobility issues, and lack effective control over the pet's radius of freedom.
Innovation Solution
A 360° rotatable pet tether system with remotely controlled rope retraction and extension, using pulley wheels and a rotating caster wheel to align with the pet's direction, allowing adjustment of the radius of freedom by pulling or feeding out the rope.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-length rope is used for the pet tether, then the pet has a constant radius of freedom, but the owner cannot control or adjust where the pet can roam
Solution Approach 1:
The rope length is made dynamically adjustable rather than fixed. The rope can be extended or retracted based on the owner's control, allowing the radius of freedom to change dynamically. This resolves the contradiction by enabling adaptability (control over radius) while using a relatively simple mechanical retraction mechanism rather than a complex electronic system.
2Adaptability or versatility
If the tether rope is allowed to move freely, then the pet can roam extensively, but the rope tangles around objects such as trees and furniture
Solution Approach 1:
The rotating caster wheel assembly performs self-service by automatically aligning itself with the direction of the pet's travel. This self-aligning mechanism prevents the rope from tangling around objects without requiring active intervention from the owner, thus maintaining extensive roaming capability while eliminating the tangling problem.
3Object-generated harmful factors
If the owner must go outside to untangle the leash, then the tangling problem is addressed, but pet owners with mobility issues face additional challenges
Solution Approach 1:
The system is designed to be self-servicing by preventing tangling through the rotating caster mechanism in the first place. This eliminates the need for the owner to manually untangle the rope, making the system easy to operate even for owners with mobility issues. The prevention approach is superior to the correction approach.
4Object-generated harmful factors
If a rotating caster wheel is used to prevent tangling, then the rope does not tangle around objects, but the device complexity increases
Solution Approach 1:
The rotating caster wheel assembly is designed to be self-aligning, automatically orienting itself with the direction of pull without requiring external control mechanisms. This self-service capability reduces the need for additional complex components like motors or sensors, thereby limiting the increase in device complexity while still effectively preventing tangling.
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 convenient and remote control over the pet's travel radius, preventing tangling and simplifying the untangling process, enhancing user convenience and safety.
Implementation Method 1
The rotating caster wheel automatically aligns itself to the animal's direction of travel while avoiding tangling of the leash carried by the second pulley within the caster
Data Source
AI summary
Disclosed is a 360° rotatable pet tether with the ability to remotely control a radius of freedom of travel for an attached pet. A rope can be retracted remotely in order to shorten the radius of freedom of travel for the pet, or extended to lengthen the radius of freedom of travel for the pet.