Dog Harness Rigid Extension Pole Prevents Leash Entanglement
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Solution Overview
Problem
Existing dog harnesses and leashes often result in leash entanglement with a dog's legs, causing physical strain and safety concerns for both the dog and owner, especially when walking or crossing streets.
Innovation Solution
A dog harness with a rigid extension pole attached to the leash, which extends vertically above the dog, preventing leash entanglement and allowing for safe and convenient walking by keeping the leash away from the dog's body, with adjustable geometry and materials like silicone or coiled springs for added rigidity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional leash is used directly attached to the harness, then the device complexity is low, but the leash becomes entangled with the dog's legs causing safety issues and physical strain
Solution Approach 1:
The patent introduces a rigid extension pole that extends vertically upward from the harness, moving the leash attachment point from the dog's body level to an elevated position above the dog's back. This dimensional change in vertical space prevents the leash from contacting the dog's legs during movement, eliminating entanglement hazards while maintaining a relatively simple overall device structure.
2Reliability
If the extension pole is made rigid to prevent entanglement, then the reliability improves, but the device complexity increases due to additional components and attachment mechanisms
Solution Approach 1:
The device is segmented into distinct functional components: the harness portion that contacts the dog, the rigid extension pole that provides structural support and elevation, and the leash attachment mechanism at the distal end. This segmentation allows each component to be optimized independently - the pole can be rigid for safety while the attachment mechanisms can be designed for ease of use, and the overall complexity is managed through modular design.
3Reliability
If the extension pole extends vertically above the dog to keep the leash away from the body, then the leash entanglement is prevented, but the ease of operation decreases due to altered attachment geometry
Solution Approach 1:
The extension pole is designed with adjustable geometry, allowing the angle and extension length to be modified based on the dog's size, type, and specific working conditions. This dynamic adjustability enables optimal positioning for different scenarios while maintaining the fundamental safety function of keeping the leash elevated and away from the dog's legs during operation.
Data Source
AI summary
There is provided a restraining device with a safety attachment for walking a dog, the device having a harness and an extension pole, wherein the pole is rigid and is attached to said harness at its proximal end, and is attachable to a leash on its distal end.The rigid extension pole extends substantially vertically above the dog and keeps the leash away from the dog's body, thereby preventing the leash from becoming entangled with the dog's legs.