Debris Barrel with Square Top and Circular Bottom
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing debris barrels with round tops are prone to rolling, leading to material loss, and have poor design features that make them difficult to load efficiently and durable, with quick wear and tear on the bottom and single handles that break easily, limiting single-user handling and efficiency.
Innovation Solution
A debris barrel with a square top and circular bottom, featuring a removable bottom cap, integral dual handles, and a design that allows for stability and efficient loading, with the option for a snap-on bottom cap and rope handles for improved durability and multi-user handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a round top is used on the debris barrel, then the barrel can be easily manufactured, but the barrel is prone to rolling and moving when laid on its side, causing material loss
Solution Approach 1:
The patent applies asymmetry by combining a round bottom with a square top. The round bottom allows the barrel to be laid on its side for efficient loading while the square top prevents rolling and moving. This asymmetric shape resolves the contradiction by having different geometric properties at the top and bottom of the barrel.
2Device complexity
If a round top is used on the debris barrel, then the barrel structure is simple, but the top edges create a raised surface that makes it difficult to efficiently load debris
Solution Approach 1:
The square top with flat edges provides a stable surface that allows efficient loading of debris using rakes, brooms, and shovels. The flat top edges eliminate the raised surface problem while maintaining structural simplicity through the straightforward square geometry.
3Ease of operation
If the bottom of the debris barrel is dragged along the ground, then the barrel can be moved, but the bottom wears out quickly creating holes
Solution Approach 1:
The patent makes the bottom cap removable and replaceable, allowing the user to detach a worn bottom cap and attach a new one to the barrel. This dynamic feature enables the barrel to maintain mobility while extending overall durability through component replacement rather than discarding the entire barrel.
Solution Approach 2:
The bottom is segmented into a separate removable cap that can be replaced independently from the main barrel body. This segmentation allows the durable barrel structure to be retained while only the worn bottom cap needs replacement.
4Device complexity
If a single metal handle is attached to the debris barrel, then the handle structure is simple, but the handle breaks easily and is painful to hold
Solution Approach 1:
The patent uses composite material construction for the handles, combining metal reinforcement with plastic or rubber outer material. This composite structure provides both strength and comfort, eliminating the breaking and pain problems of pure metal handles while maintaining structural integrity.
Solution Approach 2:
The handle is segmented into multiple components including an inner metal core for strength and an outer protective layer for comfort. This segmentation allows each material to perform its optimal function.
5Device complexity
If a single handle is provided on the debris barrel, then the handle structure is simple, but only one worker can use the handle to move the barrel
Solution Approach 1:
The patent provides multiple handles on the barrel, making the handle system universal and adaptable to different user needs. Multiple workers can simultaneously use different handles to move the barrel, and the handles can be used in various configurations depending on the number of users and distance to be moved.
Data Source
AI summary
A debris barrel comprising: a bottom of the barrel, where the bottom of the barrel has a circular shape, such that the barrel can be rolled about its bottom; a barrel wall extending from the bottom, the barrel wall and bottom forming a container; a top of the barrel located at the top of the barrel wall, where the top of the barrel comprises a first side, a second side, a third side, and a fourth side, where the first side is parallel to the third side, the second side is parallel to the fourth side, the first side is orthogonal to the second side and fourth side, the second side is orthogonal to the third side, and the third side is orthogonal to the fourth side; a bottom cap removeably attached to the bottom of the barrel and a portion of the barrel wall; and a handle means located near the top of the barrel. A barrel bottom cap configured to attach to a bottom of a barrel and a portion of a barrel wall, the bottom cap comprising: a generally planar circular surface, the generally planar circular surface having an outer perimeter; a circular opening located in the center of the generally planar circular surface; a circular wall extending upward from the outer perimeter of the circular surface, the circular wall generally at an obtuse to right angle with the circular surface; a first catch member extending upward from the circular wall, the first catch member comprising: a first catch orifice, where the first catch orifice is configured to lock with a first tongue member located on an outer surface of a barrel wall when the barrel bottom cap is slid onto the bottom of the barrel.