Pivoting Canister Lid for Tool-Free Truck Bed Cover Access
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Solution Overview
Problem
Existing rollup truck bed cover canisters are cumbersome and difficult to access, often requiring tools for maintenance, and their placement on the sidewall complicates operation and aesthetics.
Innovation Solution
A pivotally connected lid arrangement that allows easy access without tools, featuring a pivot joint system with retainer and holding-down members, enabling quick opening and closing, and integrated drainage to prevent water ingress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the lid is secured by screws to the housing end parts, then the canister is securely closed, but access requires tools and time-consuming fastening/unfastening operations
Solution Approach 1:
The lid is transformed from a static screw-secured component to a dynamically pivotable component. The pivot joint allows the lid to rotate between a closed position (secured to the housing end part) and an open position (accessing the canister interior), eliminating the need for tools while maintaining secure closure when closed.
Solution Approach 2:
The lid assembly is segmented into the lid itself and the pivot joint mechanism attached to the housing end part. This segmentation allows the lid to be independently pivotable while remaining connected, enabling tool-free access while maintaining structural integrity and secure closure.
2Volume of moving object
If the canister is placed on top of the sidewall, then cargo space is preserved, but the lid becomes difficult to operate due to height
Solution Approach 1:
The lid operation is transitioned from a vertical lifting motion (which would be difficult at height) to a horizontal pivoting motion around a pivot joint. This dimensional change allows the lid to be opened and closed easily even when the canister is positioned high on the sidewall, as the pivoting action occurs in a different plane and requires less vertical force.
3Ease of operation
If the lid is made pivotally connected, then tool-free access is enabled, but the structural complexity increases
Solution Approach 1:
The pivot joint is merged with the housing end part structure, integrating the rotational mechanism into the existing canister assembly. This combination reduces overall complexity by eliminating separate mounting components and directly incorporating the pivot functionality into the housing structure that already exists to secure the canister.
Data Source
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AI summary
A lid arrangement for a canister (44) for a retractable rollup truck bed cover of rigid slats comprises a lid (1;1') and a canister (44). The canister (44) has a main housing part (45) and opposite housing end parts (18,18a,18b). The lid (1;1') spans between said housing end parts (18,18a,18b) across the main housing part (45), and the lid (1;1') is pivotally connected to at least one of the housing end parts (18,18a,18b). The pivotal lid need not be taken fully off the canister when access is needed to the main housing part, e.g. to inspect the drain(s) or wipe up water inside the canister.