Trash Can Handle With Ratchet-Locking Liner Cinch
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing trash can designs lack a unique handle design and effective bag cinch mechanism, leading to inefficiencies in securing and removing liners.
Innovation Solution
A trash can with a handle featuring a cinch and locking mechanism that allows for secure attachment and detachment of liners through a counter-clockwise or clockwise twisting motion, depending on the liner's orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional handle design is used, then the structure is simple, but the liner attachment and detachment is difficult and inefficient
Solution Approach 1:
The handle is divided into multiple functional segments: a body portion, a cinch mechanism with teeth, and a locking mechanism with a pawl and ratchet teeth. This segmentation allows each component to perform a specific function (gripping, cinching, locking) while working together to achieve secure liner attachment and easy detachment through directional twisting motion.
2Reliability
If a simple cinch mechanism is used, then the device complexity is low, but the liner securing is insufficient
Solution Approach 1:
The locking mechanism employs dynamic elements including a movable pawl that can engage or disengage from ratchet teeth based on the direction of twisting motion. The cinch mechanism features asymmetric teeth that allow tightening in one direction while preventing loosening in the opposite direction, creating a dynamic locking system that adapts to the user's twisting action.
Solution Approach 2:
The pawl acts as an intermediary element between the user's twisting motion and the cinch mechanism. It translates the rotational force into linear cinching motion while providing one-way locking through its engagement with the ratchet teeth, mediating the interaction between the handle and the liner.
Data Source
AI summary
A receptacle having a side wall. The receptacle further having a bottom wall coupled to the side wall forming a receiving space. The receptacle further includes a handle positioned on opposing sides of the side wall. The handle having a cinch with a locking mechanism on a perimeter of the cinch.