Pack Assembly with Integrated Leash for Force Distribution
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Solution Overview
Problem
Walking a large dog can be physically demanding and dangerous, as it often requires one hand and can lead to trauma or injury due to pulling forces on the upper body and potential encounters with vehicles or wildlife.
Innovation Solution
A pack assembly with integrated dog leash features adjustable straps and a leash assembly that distributes pulling forces across the torso, providing comfort and safety by allowing better force distribution and leash flexibility, while also allowing hands-free walking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a traditional leash is used held in hand, then the dog walker has direct control over the dog, but the pulling force concentrates on the upper body causing trauma and injury
Solution Approach 1:
The patent transfers the leash attachment point from the hand-held dimension to the torso/back dimension by integrating the leash into a pack worn on the body. This dimensional shift distributes the pulling force across the torso and back muscles rather than concentrating it on the arms and hands, resolving the contradiction between control and injury prevention.
Solution Approach 2:
The pack assembly serves as an intermediary device between the dog walker and the dog leash. Instead of direct hand-to-leash connection, the leash connects to the pack which is worn on the torso, allowing force distribution across a larger body area and reducing trauma to specific upper body joints and muscles.
2Ease of operation
If a hand-held leash is used, then the dog walker maintains control, but only one hand remains free for other tasks
Solution Approach 1:
The patent merges the leash function with a backpack carrier system. The leash is integrated into the pack structure, combining two separate functions (carrying items and controlling the dog) into a single unified device. This eliminates the need to hold the leash separately, providing hands-free operation while maintaining dog control.
Solution Approach 2:
The pack assembly serves multiple functions simultaneously: it acts as a carrier for personal items, provides a secure attachment point for the dog leash, and distributes pulling forces across the torso. This multi-functionality resolves the contradiction by making the device versatile rather than adding complexity for a single purpose.
3Reliability
If the leash is integrated into the pack, then hands-free walking is enabled and force is distributed, but the device structure becomes more complex
Solution Approach 1:
The leash assembly is segmented into separate functional components: the leash itself, the attachment mechanism to the pack, and the force distribution system through the pack straps. This segmentation allows each component to be optimized independently while working together to provide safe, hands-free dog walking with distributed force.
Data Source
AI summary
Pack assemblies for dog walking are disclosed herein. Such assemblies can include, for example, an upper portion and a lower portion. The upper portion can include a first strap and a second strap. The lower portion can include a leash assembly having a slider and a leash clip configured to be detachably coupled to a dog leash. In some embodiments, the leash clip can slide along the slider.