Rotatable Catch Ring for Pet Waste Collection
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Solution Overview
Problem
There is no effective and convenient method to completely prevent pet animal feces from touching the ground, leading to environmental pollution and contamination.
Innovation Solution
A device with an extendable rod and a rotatably attached catch ring that can be adjusted to retain a bag, allowing it to be placed under the animal to catch feces without touching the ground, and easily lifted for disposal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a telescoping arm with waste receptacle is used (Shalhoub), then portability is improved, but the receptacle cannot be positioned flat on the ground to completely prevent feces from touching the ground
Solution Approach 1:
The catch ring is designed to be rotatable and frictionally fixable at multiple angles relative to the rod, allowing it to transition from a closed transport position to various open positions including a fully open position where it lies flat on the ground. This dynamic adjustment capability enables the device to adapt its configuration to achieve complete ground contact and prevent feces contamination while maintaining portability through the telescoping rod.
Solution Approach 2:
The invention introduces angular positioning as an additional degree of freedom by allowing the catch ring to rotate relative to the rod. This angular dimension enables the catch ring to be positioned at optimal angles for different ground conditions and user heights, ensuring the bag can be placed flat on the ground to completely prevent feces from touching the ground while maintaining the portable telescoping structure.
2Object-affected harmful factors
If the rod is extended to reach the ground, then the ability to prevent feces from touching ground is improved, but the device becomes harder to maneuver and use by individuals of varying heights
Solution Approach 1:
The telescoping rod allows dynamic adjustment of length to reach the ground when needed, while the rotatable catch ring provides angular adjustment to optimize positioning. These dynamic features enable the device to be extended and angled appropriately for different user heights and distances from the animal, maintaining maneuverability while achieving complete ground contact to prevent feces contamination.
Solution Approach 2:
The device allows changes in two key parameters: the length of the rod (through telescoping) and the angle of the catch ring (through rotation). By adjusting these parameters, users of varying heights and distances can position the catch ring flat on the ground to prevent feces contamination while maintaining ease of operation through simple extension and rotation movements.
3Device complexity
If the catch ring is fixed in position, then structural simplicity is improved, but the ability to adapt to different ground conditions and user heights is reduced
Solution Approach 1:
The catch ring is designed with rotational capability and frictional fixation, providing a simple yet effective mechanism for angular adjustment. This dynamic feature allows the catch ring to adapt to different ground conditions and user heights without requiring complex mechanisms, maintaining structural simplicity while achieving versatility in positioning to prevent feces contamination.
Solution Approach 2:
The frictional fixation mechanism allows the catch ring to self-adjust and self-lock at the desired angle without requiring additional fasteners or complex locking mechanisms. This self-service capability maintains structural simplicity while enabling adaptability to different ground conditions and user heights, ensuring the bag can be positioned flat on the ground to prevent feces from touching.
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
The device effectively prevents pet feces from contaminating the ground, making cleanup sanitary and convenient, and can be used by individuals of varying heights and distances from the animal.
Implementation Method 1
a plastisol coating is applied to the catch ring
Data Source
AI summary
A device to prevent feces from a pet from touching the ground, comprising an extendable rod that extends freely to a fully extended position when the rod is pointed approximately 30 degrees downwardly. A catch ring is rotatably attached to the rod and can be frictionally fixed at a selected catch ring angle, so that the catch ring can rotate from a closed position parallel to and abutting against the rod, to a plurality of open positions and frictionally fixed in a selected one of the open positions. A bag can be draped across the catch ring to be retained on said catch ring. The user can extend the rod to the fully extended position and place said catch ring retaining said bag in an open position against the ground, and then press the catch ring against the ground to adjust the catch ring angle so that the catch ring (retaining the bag) is approximately flat on the ground. The bag retained in the catch ring can be slid along the ground to be under the pet before the feces is dropped.