Cat Litter Scoop With Button-Actuated Release Mechanism
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Solution Overview
Problem
Conventional cat litter scoops require users to directly handle and detach the scoop attachment, which can be unhygienic and inconvenient, especially when dealing with solid waste.
Innovation Solution
A cat litter scoop design featuring a handle with a release mechanism and lock system that allows the scoop attachment to be easily attached and detached without direct user contact, utilizing a button-operated release arm and lock arm that pivot within the handle portion, enabling sanitary and efficient waste removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users directly handle and detach the scoop attachment, then the attachment can be removed from the handle, but user contact with the waste-containing attachment creates unhygienic conditions
Solution Approach 1:
The patent introduces a release mechanism with a button, release arm, and lock arm as an intermediary between the user and the scoop attachment. When the user presses the button, the release arm pivots to disengage the lock arm from the attachment, allowing removal without direct user contact with the waste-containing attachment. This mediator transfers the detachment function from direct manual handling to an automated mechanical system.
Solution Approach 2:
The lock mechanism automatically engages with the scoop attachment when inserted into the handle, and the release mechanism automatically disengages it when the button is pressed. The system serves itself by using the button press to trigger the sequence of arm movements that result in attachment removal, eliminating the need for users to manually grasp and pull the attachment.
2Reliability
If a lock mechanism is added to secure the scoop attachment, then the attachment is held firmly in the handle, but the device structure becomes more complex
Solution Approach 1:
The lock mechanism is segmented into distinct functional components: a button for user input, a release arm for motion transmission, a lock arm for engagement, and a common securement for pivoting. This segmentation allows each component to perform its specific function efficiently while maintaining overall simplicity. The modular nature of these segments makes the complex function of secure attachment and easy release achievable through simple, well-defined parts.
Data Source
AI summary
A cat litter scoop is provided, which includes a handle component, and a user replaceable scoop attachment. When a scoop attachment is inserted into the handle component, a scoop body contacts with a grip area within the body of the handle component. Further insertion force deflects the grip allowing the body of the scoop attachment to pass over grip teeth. The force of the deflection in concert with the geometry of the grip teeth help to retain the scoop attachment within the handle portion When a button is depressed, a protrusion beneath the button is translated into contact with the grip via a contact surface. As the button is further depressed, it deflects the grip in the same direction as the travel of the button. This move's the grip's teeth away from the scoop allowing the scoop to release from the handle component.