Roller-Actuated Dumpster Cover Assembly
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Solution Overview
Problem
Existing covers for large dumpsters, such as those used in the construction industry, either lack security and durability or are excessively heavy and costly, requiring specialized equipment for operation, posing challenges in handling and accessibility.
Innovation Solution
A cover assembly comprising a lightweight yet strong frame and cover, coupled with a smooth opening mechanism using roller assemblies and a means for coupling with the container, allowing a single person to easily move the cover between closed and open positions, and optionally including a free-standing opening mechanism for added flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a tarpaulin cover is used, then cost is reduced, but security and protection effectiveness deteriorate
Solution Approach 1:
The cover assembly combines a lightweight aluminum frame structure with a durable cover material to create a composite system that provides both security and cost-effectiveness. The frame provides structural strength and security while the cover material provides protection, achieving a balance between cost and reliability that neither material alone could provide.
2Reliability
If a heavy duty steel cover is used, then security and durability are improved, but weight increases requiring specialized equipment for operation
Solution Approach 1:
The cover assembly uses a lightweight aluminum frame structure with integrated rollers and opening mechanisms to provide security and durability without the excessive weight of solid steel covers. The composite design maintains structural integrity while enabling manual operation by a single person.
Solution Approach 2:
The cover assembly is divided into modular components including the frame, cover material, rollers, and opening mechanism. This segmentation allows each component to be optimized for its specific function while keeping the overall weight manageable and enabling easy assembly and operation.
3Reliability
If a heavy duty steel cover is used, then security is improved, but ease of operation deteriorates requiring specialized equipment
Solution Approach 1:
The cover assembly incorporates rollers and an opening mechanism that divide the operation into manageable steps, allowing a single person to easily open and close the cover. The segmented design with movable components reduces the physical effort required compared to operating a solid steel cover.
Solution Approach 2:
The opening mechanism acts as an intermediary between the user and the cover, providing mechanical advantage and reducing the force required to operate the cover. The rollers serve as intermediaries that facilitate smooth movement of the cover along the frame, improving ease of operation while maintaining security.
4Ease of manufacture
If a tarpaulin cover is used, then cost is reduced, but durability and secure protection deteriorate
Solution Approach 1:
The cover assembly combines a strong aluminum frame structure with a durable cover material to create a composite system that provides both cost-effectiveness and durability. The frame provides structural strength and secure protection while keeping costs lower than solid steel alternatives.
Data Source
AI summary
The present invention is directed to a cover assemblies for use with containers such as large dumpsters or roll-off containers. The cover assembly generally includes a cover portion, a frame portion, and one or more mounting arms. The cover is coupled to the frame, and the frame is movable with respect to the mounting arm from a first position to a second position, wherein the first position comprises a closed position and wherein the second position comprises an open position.