Trailer Hitch Bracket Jacket for Sway Control
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Solution Overview
Problem
Existing trailer hitch systems fail to effectively manage trailer sway and weight distribution, leading to loss of steering control, braking difficulties, and noise issues due to rigid or flexible brackets, which do not provide adequate stabilizing support or adjust friction levels as needed.
Innovation Solution
The proposed solution involves a trailer hitch system with adjustable brackets and removable jackets that alter friction characteristics between spring bars and supports, allowing for customizable sway control and wear management by using materials like neoprene or metal to increase or decrease friction, and incorporating cam surfaces for improved stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If rigid brackets are used to join spring bars to the trailer tongue, then stabilizing support and sway control are improved, but noise and friction increase
Solution Approach 1:
A jacket is introduced as an intermediary component between the rigid bracket and the spring bar. The jacket acts as a mediator that provides stabilizing support through the rigid bracket while reducing noise and friction by creating a compliant interface with the spring bar, thus resolving the contradiction between stability and noise generation
Solution Approach 2:
The bracket assembly becomes a composite structure combining rigid bracket material (for structural support and stability) with jacket material (for noise reduction and friction management). This composite approach allows simultaneous achievement of sway control and noise reduction by leveraging the complementary properties of different materials
2Stability of the object's composition
If friction between spring bars and brackets is increased to improve sway control, then stability improves, but maneuverability decreases
Solution Approach 1:
The jacket provides different friction characteristics at different locations and conditions. The interface between the jacket and bracket maintains higher friction for sway control, while the interface between the jacket and spring bar allows controlled movement for maneuverability, thus achieving local optimization of friction properties to resolve the contradiction
3Ease of operation
If flexible members like chains are used as brackets, then maneuverability improves, but stabilizing support is reduced
Solution Approach 1:
The jacket serves as an intermediary that transforms the flexible chain into a stabilized support structure. By providing a rigid outer shell (the jacket) that constraints the flexible member's movement, the system gains stabilizing support while retaining the inherent maneuverability of the flexible underlying structure
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design minimizes trailer sway and weight distribution issues, enhances maneuverability, and reduces noise by allowing adjustable friction and wear management, providing improved stability and control during towing.
Implementation Method 1
alter friction characteristics between spring bars and supports, allowing for customizable sway control and wear management by using materials like neoprene or metal to increase or decrease friction
Implementation Method 2
Other trailer hitch systems are known to place a cam surface on the rigid brackets to modify movement of the spring bar with respect to the rigid bracket
Data Source
AI summary
An accessory for trailer hitch systems having components for equalizing loads and reducing trailer sway. The accessory includes a jacket for attaching to a bracket that supports a load equalizing spring bar. The bracket may include a lateral extending portion for supporting the spring bar. The jacket may include a socket for receiving the lateral extending portion of the bracket, such that the jacket may be removably installed on the bracket. The jacket may include a contact surface for contacting the spring bar. The contact surface may include a different coefficient of friction or a different shape, as compared to the lateral extending portion of the bracket, such that movement of the spring bar with respect to the bracket may be altered as compared to conditions in which the spring bar is supported on the bracket without the jacket.