Sleeper Panel Flange Segmentation for Cab Attachment
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Solution Overview
Problem
Existing sleeper panels and cab panels for trucks face issues with securing the upper end to the underside of the sleeper cab, leading to loose connections over time due to the inability to maintain a 90-degree curved angle, resulting in instability and potential detachment.
Innovation Solution
The design includes a pair of sleeper panels and cab panels with specific flange configurations and connector plates that allow the entire upper end of the sleeper panels to be securely fastened to the underside of the sleeper cab, maintaining the curvature and preventing loosening during truck operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the front and rear end members are bent at a 90 degree curved angle with respect to the side portion, then the sleeper panel can be securely fastened to the underside of the sleeper cab, but the flanges at the juncture must be cut-away which prevents the curved portions from being secured
Solution Approach 1:
The sleeper panel is divided into distinct segments: side portion, front end member, and rear end member. Each segment maintains its own flanges independently, allowing the curved portions to be secured to the sleeper cab without requiring cut-aways. This segmentation enables each part to be manufactured and assembled separately while maintaining structural integrity.
Solution Approach 2:
The invention transitions from a two-dimensional flange configuration to a three-dimensional structure by adding vertical flanges that extend from the curved portions. This dimensional change allows flanges to be positioned in multiple directions, enabling securement of curved portions without interfering with the 90-degree bending angle requirement.
2Shape
If the flanges are cut-away to enable 90 degree curved angle bending, then the end members can be bent properly, but the curved portions lose their flanges and cannot be secured to the underside of the sleeper cab
Solution Approach 1:
The panel is segmented into separate functional zones where the side portion, front end member, and rear end member each retain their own flanges. This segmentation eliminates the need to cut away flanges while still achieving the required 90-degree curved angles at the junctions.
Solution Approach 2:
Flanges are pre-positioned on the curved portions before assembly, ensuring that the curved portions can be secured to the sleeper cab from the beginning. This preliminary placement of flanges prevents the need for cut-aways and ensures long-term securing capability.
3Ease of operation
If the sleeper panel is secured with traditional flange configurations, then installation is straightforward, but the panel becomes loose over time and is not securely fastened
Solution Approach 1:
The sleeper panel uses multiple segmented flanges distributed across different locations (side portion, front end member, rear end member, and curved portions). This segmentation creates multiple independent securement points, preventing the panel from becoming loose over time while maintaining straightforward installation procedures.
Solution Approach 2:
The invention merges multiple flange functions into a unified configuration where horizontal and vertical flanges work together across different panel segments. This combined approach creates a comprehensive securing system that maintains long-term reliability without complicating the installation process.
Data Source
AI summary
A sleeper panel is provided for use with each of the passenger and driver sides of a sleeper cab. The entire upper ends of the sleeper panels have a top flange which is secured to the underside of the sleeper cab. Structure is provided to maintain the curved portions of the sleeper panel in their desired radius of curvature. A cab panel is also described which is ideally suited for use on a truck cab so as to be positioned forwardly of the sleeper panels thereby providing an esthetic appearance to the vehicle.