Tow Bar Saddle Block for Fifth Wheel and Frame Engagement
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Solution Overview
Problem
Current tow bar systems lack a simple and versatile solution for towing trucks of varying sizes and configurations, as they often require complex adjustments and are not adaptable to different vehicle types.
Innovation Solution
A vehicle tow assembly featuring a rigid upper member attached to the tow vehicle and a rigid lower member attached to the vehicle being towed, with a coupling system including a saddle block for fifth wheel engagement and U-bolt channels for secure coupling, allowing for easy adaptation to different vehicle frames and configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-length tow bar system is used, then the structure is simple, but it cannot accommodate trucks of varying sizes and configurations
Solution Approach 1:
The tow bar is divided into multiple telescopic segments that can extend and retract independently. Each segment contains internal structural members that slide within outer members, allowing the overall length to be adjusted to match different truck sizes and configurations while maintaining structural integrity
Solution Approach 2:
The tow bar transitions from a fixed-length static structure to a dynamic telescopic structure capable of continuous length adjustment. The telescopic mechanism allows the bar to adapt its length in real-time to accommodate various truck wheelbases and towing requirements
2Adaptability or versatility
If telescopic adjustments are added to accommodate varying truck sizes, then adaptability improves, but the risk of damage during adjustment increases
Solution Approach 1:
Shock-absorbing elements and damping mechanisms are integrated into the telescopic joints to cushion impacts and reduce mechanical stress during extension and retraction operations. This prevents damage to the adjustment mechanism and surrounding components when the tow bar is being configured for different truck sizes
Solution Approach 2:
The design incorporates pre-engineered alignment features and controlled extension sequences that prevent misalignment and improper engagement during the telescopic adjustment process. These features proactively prevent harmful forces from developing during configuration changes
3Adaptability or versatility
If multiple connection points are provided for different axle orientations, then versatility improves, but the device complexity increases
Solution Approach 1:
Each connection point on the tow bar is designed with universal mounting features that can accommodate multiple axle orientations and vehicle types. The connection mechanisms incorporate adjustable angles and multi-directional mounting capabilities, allowing a single connection point to serve multiple functions rather than requiring separate dedicated connection points for each orientation
Data Source
AI summary
A vehicle tow assembly includes an elongated, rigid upper member that attaches to a tow vehicle, and a rigid, elongated lower member that attaches, using U-bolts and/or a chain, to a vehicle to be towed. A downwardly-slanting connecting member connects the upper and lower members such that the upper member is higher off the ground than the lower member. A saddle block on the upper member can be turned one way to engage the fifth wheel of the tow vehicle and can be flipped 180 degrees to engage the frame of the tow vehicle when no fifth wheel is present.