Telescoping Vehicle Bed Extender for Load Stability
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Solution Overview
Problem
Pick-up truck storage beds often require the tailgate to be lowered to accommodate larger loads, increasing the risk of load instability or the need for additional tie-down time, which existing bed extenders do not adequately address.
Innovation Solution
A vehicle bed extender with adjustable side walls and a connecting wall that can be telescoped to increase or decrease both length and width, supported by struts and mounts, allowing for customizable extension over the tailgate or wheel wells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the storage bed is used for loads larger than the bed dimensions, then the tailgate must be lowered to enable load transfer, but this increases the risk of load instability and requires additional tie-down time
Solution Approach 1:
The bed extender utilizes the vertical dimension by extending upward from the storage bed, creating additional loading space in the vertical direction rather than requiring horizontal expansion. This allows loads to be positioned within the extender structure, maintaining containment without lowering the tailgate.
Solution Approach 2:
The bed extender is divided into multiple telescoping segments that can be independently adjusted. This segmentation allows the structure to be configured to match different load dimensions, providing adaptability while maintaining structural integrity and load stability through proper segmentation and positioning.
2Adaptability or versatility
If the tailgate is lowered to accommodate larger loads, then load transfer is enabled, but additional time is required for tie-down procedures
Solution Approach 1:
By utilizing vertical extension rather than horizontal expansion, the bed extender enables large load accommodation without compromising the tailgate position. Loads are contained within the vertically extended structure, eliminating the need for additional tie-down procedures and reducing time loss.
3Device complexity
If fixed bed dimensions are used, then structural simplicity is maintained, but adaptability to different load sizes is reduced
Solution Approach 1:
The bed extender employs segmented telescoping members that can be adjusted to different configurations. While the individual segments maintain simple structures, their combined adjustability provides extensive load configuration flexibility, resolving the contradiction between structural simplicity and adaptability.
Solution Approach 2:
The bed extender transitions from a fixed structure to a dynamic, adjustable structure through telescoping members. This allows the bed dimensions to change based on load requirements, providing adaptability while maintaining relative structural simplicity through the use of standardized telescoping mechanisms.
4Adaptability or versatility
If the bed extender uses multiple cross members for flexibility, then adjustability is improved, but structural complexity increases
Solution Approach 1:
The cross members in the bed extender serve multiple functions: they provide structural support, enable telescoping adjustment, and define the boundary walls. This multi-functionality reduces the need for additional specialized components, maintaining relative construction simplicity while achieving dimensional adjustability.
Data Source
AI summary
A vehicle bed extender adapted for simultaneous adjustment of both length and width. The extender includes a first side wall, a second side wall, and a connecting wall. The first and second side walls can attach to the vehicle storage bed, while the connecting wall attaches to the side walls in a sliding configuration along a direction nonparallel to the length and width of the bed extender. The connecting wall can also be composed of multiple cross members with middle portions of varying length such that the middle portions of the cross members are not vertically oriented. The vehicle bed extender can also be supported by a mount at the front end of the vehicle bed that supports the connecting wall.