RV Bumper End Cap Retention With Pivoting Bracket Lock
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Solution Overview
Problem
Existing retention devices for recreational vehicle bumpers fail to securely hold an end cap in place, risking its fall-out during use, and lack a straightforward mechanism for easy removal.
Innovation Solution
A retention device comprising a frame with lobes and a pivotally attached bracket that extends across the end cap, using pins and fasteners to secure and release the end cap, allowing for secure retention and easy access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple frame structure is used to retain the end cap, then the device complexity is reduced, but the retention reliability is insufficient and the end cap may fall out
Solution Approach 1:
The bracket is designed to be pivotally attached to the frame, allowing it to rotate between a retained position (where it holds the end cap securely) and a released position (where the end cap can be removed). This dynamic mechanism enables a simple overall structure to achieve reliable retention through motion-based locking.
Solution Approach 2:
The retention device is divided into separate functional components: a frame with lobes, a pivotally attached bracket, and removable pins. This segmentation allows each component to perform its specific function efficiently while maintaining overall structural simplicity.
2Reliability
If a secure retention mechanism is implemented to prevent end cap fall-out, then the retention reliability is improved, but the ease of operation for removal is reduced
Solution Approach 1:
The pivotally attached bracket provides dynamic motion that enables easy removal. The bracket can be rotated to a released position where the pin can be quickly removed, allowing the end cap to be accessed without complex disassembly procedures.
Solution Approach 2:
The pin acts as an intermediary element that connects the bracket to the frame during retention but can be easily removed to release the end cap. This intermediate component simplifies the operation of both securing and releasing the end cap.
3Ease of operation
If a removable bracket design is used to facilitate end cap removal, then the ease of operation is improved, but the retention reliability may be compromised
Solution Approach 1:
The pivotal attachment creates a dynamic system where the bracket is securely held in the retained position during normal use, but can be easily rotated to the released position when removal is needed. This dynamic design ensures both reliable retention and easy operation.
Data Source
AI summary
A bumper cap retention assembly includes an end cap that is insertable into an open end of a bumper on a recreational vehicle. A frame is provided that has a width and a length sufficient for extending around the bumper of the recreational vehicle. The frame has a plurality of lobes each extending outwardly from the frame. A bracket is provided which is positionable between respective ones of the lobes on the frame and the bracket is oriented to extend between respective members of the frame. The bracket extends across the end cap when the end cap is inserted into the open end of the bumper and the frame is positioned around the bumper. In this way the bracket inhibits the end cap from falling out of the open end of the bumper.