Dog Run Assembly with Rotating Bars for Lead Tangling
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Solution Overview
Problem
Existing dog run assemblies often result in tangled leads due to the lack of a system with a pair of lines extending between rotatably engageable bars and vertical support elements, which prevents leads from remaining untangled as animals move in opposing directions.
Innovation Solution
A dog run assembly comprising a pair of bars, a pair of lines, connectors, and fasteners, where each line extends between the bars, connectors are rotationally engaged to vertical support elements, and fasteners are slidably engaged to the lines to prevent tangling by allowing the bars to rotate as animals travel in opposing directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single suspended cable with multiple leads is used, then device complexity is reduced, but leads become tangled when animals move in opposing directions
Solution Approach 1:
The single cable system is segmented into two separate lines, each attached to a separate bar. This segmentation allows each line to independently handle leads for animals moving in opposite directions, preventing tangling while maintaining manageable complexity through modular construction.
Solution Approach 2:
The bars are made rotatable at their attachment points to vertical support elements, creating a dynamic system that automatically adjusts to animal movement. This rotational freedom allows the bars to realign and prevent lead tangling without requiring complex mechanical guidance systems.
2Device complexity
If bars are fixed in position, then device complexity is reduced, but leads tangle when animals travel in opposing directions
Solution Approach 1:
The bars are made rotatable at their attachment points to vertical support elements, creating a dynamic system that automatically adjusts to animal movement. This rotational freedom allows the bars to realign and prevent lead tangling without requiring complex mechanical guidance systems.
3Ease of operation
If a pair of lines extending between rotatably engageable bars is used, then lead tangling is prevented, but device complexity increases
Solution Approach 1:
The single cable system is segmented into two separate lines, each attached to a separate bar. This segmentation allows each line to independently handle leads for animals moving in opposite directions, preventing tangling while maintaining manageable complexity through modular construction.
Solution Approach 2:
Each bar-line assembly serves multiple functions: it supports leads, allows rotational adjustment, and prevents tangling. This multi-functionality reduces the need for additional specialized components, keeping the overall system complexity manageable despite the paired structure.
Data Source
AI summary
A dog run assembly for preventing tangling of leads includes a pair of bars, a pair of lines, a pair of connectors, and a pair of fasteners. Each line is engaged to and extends between the bars. Each connector is rotationally engaged to a respective bar and can engage a respective vertical support element of a pair of vertical support elements so that the pair of lines is suspended between the vertical support elements. Each fastener is slidably engaged to a respective line so that the fastener is slidable between the bars. The fastener can engage a respective lead attached to an associated animal. The pair of bars rotates as a pair of animals tethered singly to the lines travel in opposing directions relative to the pair of lines. The lines and the leads attached to the animals remain untangled.