Foldable Truck Bed Extender With Pivoting Arms
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Solution Overview
Problem
Trucks face challenges in transporting loads longer than their bed length, as these loads extend beyond the vehicle and may fall or get damaged due to lack of horizontal or lateral support during transport.
Innovation Solution
A foldable and collapsible truck bed extender that can be easily attached and removed from a standard hitch, featuring a main body, upright support, horizontal support arms, and sliding collar, allowing for adjustable height and easy storage, providing additional support for loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed truck bed extender is used to provide horizontal support for longer loads, then load stability is improved, but device complexity and storage difficulty increase
Solution Approach 1:
The extender is divided into multiple segments (main body, horizontal support arms, upright supports) that can be independently folded and collapsed. Each segment contains pivot points allowing it to be broken down into smaller components for easier storage while maintaining structural integrity when deployed.
Solution Approach 2:
The extender transitions from a static fixed structure to a dynamic collapsible structure with multiple pivot points and movable joints. This allows the device to adapt between an extended stable configuration for load support and a collapsed compact configuration for storage, resolving the contradiction between stability and complexity.
2Object-affected harmful factors
If a rigid truck bed extender is used to prevent load damage, then protection capability is improved, but ease of operation and storage decreases
Solution Approach 1:
The rigid protective structure is segmented into foldable components connected by pivots. When deployed, these segments form a rigid framework that protects loads; when collapsed, they fold into a compact configuration that is easy to store and maneuver, resolving the contradiction between protection capability and operational ease.
Solution Approach 2:
The extender employs dynamic folding mechanisms with pivot points that allow the rigid structure to transform between extended and collapsed states. This dynamic capability enables easy installation and storage while maintaining rigid protective characteristics during use.
3Ease of operation
If a foldable extender design is implemented for easy storage, then storage convenience is improved, but structural complexity increases
Solution Approach 1:
The folding mechanism is segmented into discrete pivot points located at strategic locations (connection between horizontal arms and upright supports, connection between upright supports and main body). This segmentation allows each section to fold independently, simplifying the overall folding action despite the multi-component structure.
Solution Approach 2:
The horizontal support arms and upright supports are designed to nest together when collapsed, with components fitting within or alongside each other. This nesting arrangement minimizes the collapsed footprint and simplifies storage while managing the structural complexity of the folding mechanism.
Data Source
AI summary
A truck bed extender including an elongated support adapted for securement in a trailer hitch mounted on a truck, and a shorter upright support pivotally mounted at the opposite end of the elongated support, for pivotal rotation from a collapsed position generally alongside said elongated support, to an upright position extending upwardly away from said elongated support. A pair of arms are pivotally mounted to said upright support, generally at the top thereof, for rotation from a collapsed position, in which the arms extend generally side by side upwardly from and generally in alignment with said upright support, outwardly to an operating position in which they extend outwardly in opposite lateral directions away from one another. The truck bed extender can readily be installed into a trailer hitch and erected to provide extended support for items placed in a truck bed, and can be readily collapsed into a generally elongated condition with said upright support and said arms extending generally alongside said elongated support.