Flexible Carrier Handle with Triangular Locking Tabs for Plant Trays
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing plant trays and pots with polymeric handles are difficult to handle due to their thinness and flexibility, requiring two hands and often having insertion tabs that are hard to use, necessitating a need for an easy-to-install and lockable handle for carrying and transporting plants.
Innovation Solution
A flexible polymeric handle with improved locking tabs and laterally inwardly extending concave indentations for finger grips, allowing easy insertion into various aperture shapes and providing secure locking, facilitating the transportation of plant trays and pots.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If thin polymeric trays are used for plant carriers, then the trays are lightweight and inexpensive, but they become difficult to handle and require two hands
Solution Approach 1:
A handle acts as an intermediary component between the user's hand and the thin polymeric tray. The handle provides a rigid gripping surface that allows single-handed operation while the tray itself remains thin and lightweight. The handle locks to the tray through engagement with recesses in the tray walls, creating a composite carrying system that combines the advantages of both the thin tray and the rigid handle.
2Ease of operation
If polymeric handles with locking tabs are added to trays, then handling ease improves, but the insertion tabs become difficult to use and install
Solution Approach 1:
Instead of having the handle actively engage the tray through protruding tabs that require precise alignment and forceful insertion, the design inverts the approach: the tray has recesses that passively receive the handle's locking elements. The handle's tabs simply need to be inserted into the recesses and snap into place, reversing the complexity from active engagement to passive reception, thereby simplifying installation.
Solution Approach 2:
The locking mechanism is designed to be self-aligning and self-latching. The recesses in the tray walls guide the handle's locking tabs into proper alignment during insertion, and the tabs automatically snap into the locked position without requiring additional manipulation. This self-service characteristic eliminates the need for complex alignment procedures or multiple installation steps.
3Strength
If handles are made rigid for strength, then carrying capacity improves, but adaptability to various aperture shapes decreases
Solution Approach 1:
The handle is segmented into distinct functional zones: a rigid central body that provides structural strength and carrying capacity, and flexible end sections with locking tabs that can adapt to different aperture shapes. The rigid portion maintains its shape to support the load, while the segmented locking elements at the ends can deform independently to match various recess geometries in different trays and pots.
Solution Approach 2:
The handle incorporates flexible polymeric material in the locking tab regions that can elastically deform to accommodate different aperture shapes and sizes. This flexibility allows the same handle design to work with various tray and pot configurations while the main body remains sufficiently rigid to provide carrying strength. The flexible sections return to their original shape after insertion, ensuring consistent locking performance.
Data Source
AI summary
A carrier handle for insertion into a plant tray or pot includes highly flexible locking tabs at opposite ends. Each of the opposed ends includes a generally triangular tab which deflects for ease of insertion into an aperture in a tray or pot. The handle includes a center section with inwardly projecting concave indentations for defining a handhold centered for balancing the item being carried.