Multifunctional Dog Chain with Rotary Handle and Adjustable Clamps
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Solution Overview
Problem
Existing dog chains require multiple units when walking multiple dogs, leading to entanglement and potential harm due to winding.
Innovation Solution
A multifunctional dog chain design featuring two interconnected ropes with a 360° rotary handle ring, adjustable rope clamps, and hooks, allowing for controlled separation and length adjustment to prevent entanglement and ensure safe distances between dogs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple separate dog chains are used to walk multiple dogs, then each dog can be controlled independently, but the chains are likely to wind up and entangle, causing safety hazards
Solution Approach 1:
The patent combines multiple dog chains into a single integrated multifunctional chain structure. Multiple ropes are interconnected at the handle ring end, allowing multiple dogs to be walked simultaneously with one unified chain system rather than separate chains, thereby eliminating entanglement between independent chains while maintaining independent control through separate adjustable sections.
Solution Approach 2:
The chain is divided into multiple independent adjustable rope sections, each with its own length control mechanism. This segmentation allows each rope section to be adjusted independently to appropriate lengths, preventing excessive length that could cause winding, while still providing independent control for each dog.
2Length of moving object
If dog chains are made longer to accommodate larger dogs or longer walking distances, then the chains provide more flexibility and comfort, but the chains become more prone to winding and entanglement
Solution Approach 1:
The patent incorporates adjustable rope clamps that allow the length of each rope section to be dynamically changed according to actual needs. Users can adjust the rope length to be short enough to prevent winding during normal walking, and extend it when longer reach is needed, making the chain length adaptive rather than fixed.
Solution Approach 2:
The chain design allows changing the key parameter of rope length through adjustable clamps. By enabling continuous adjustment of rope length parameters, the system optimizes the balance between having sufficient length for comfort and control, and keeping it short enough to avoid entanglement and winding hazards.
Data Source
AI summary
A multifunctional dog chain includes at least two ropes, a handle ring and hooks. Rear ends of the at least two ropes are interconnected to form a first connecting portion, the handle ring is in 360° rotary connection with the first connecting portion, front ends of the ropes are separated, the hooks used for connecting with dog collars are arranged on each of said ropes, an adjustable rope clamp is arranged between the ropes and connected to the ropes to separate the ropes into a front part and a rear part, the ropes between the first connecting portion and the adjustable rope clamp form the closed rear part, each of the ropes in the front part is of a separated structure, and the adjustable rope clamp can move back and forth along said ropes. The multifunctional dog chain can prevent accidents out of too long ropes.