Integrated Lift-Tow Module for Jack-Free Trailer Coupling
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Solution Overview
Problem
Existing methods for connecting and towing trailers require the use of a jack, which can be cumbersome and inefficient, especially when handling heavy loads, as they do not provide a seamless and secure attachment mechanism between the tow vehicle and the trailer.
Innovation Solution
A lift and tow apparatus with an adjustable arm and lift body, equipped with multiple connection mechanisms and mechanical actuators, allows for secure attachment to both the tow vehicle and trailer, enabling the trailer to be raised and lowered without a jack, facilitating easy coupling and uncoupling and supporting loads up to 24,000 lbs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a jack is used for connecting and towing trailers, then the attachment mechanism can support heavy loads, but the operation becomes cumbersome and inefficient
Solution Approach 1:
The patent combines the jack function and towing attachment into a single integrated lift and tow apparatus. The apparatus includes a lift body with connection mechanisms that simultaneously provides lifting capability and secure towing attachment, eliminating the need for separate jack and hitch operations. This merging of functions directly resolves the technical contradiction by maintaining strong load support while dramatically simplifying the operational process.
Solution Approach 2:
The lift and tow apparatus is designed as a multi-functional device that can both lift the trailer body to the desired height and provide secure towing attachment. The same structural components serve dual purposes: the lift body acts as both the lifting mechanism and the towing connection point. This universality allows a single device to perform multiple functions that previously required separate equipment, thereby reducing operational complexity while maintaining strength.
2Ease of operation
If a jack is used for trailer attachment, then lifting capability is provided, but the attachment mechanism is insufficient for secure towing
Solution Approach 1:
The patent integrates the lifting function and secure attachment function into a single unified apparatus. The lift body structure simultaneously provides the lifting capability and the secure towing attachment point. By merging these functions, the invention ensures that the same robust structure that lifts the trailer also serves as the secure attachment point for towing, thereby maintaining both ease of operation and high reliability.
Solution Approach 2:
The connection mechanisms incorporate curved or rounded structural elements that enhance both the lifting capability and attachment security. The curved design allows for smoother operation during lifting while also providing a more secure mechanical interlock for towing attachment. This geometric feature helps resolve the contradiction by improving both operational ease and attachment reliability through a single design element.
3Reliability
If multiple connection mechanisms are used on the lift body, then secure attachment to trailer is achieved, but device complexity increases
Solution Approach 1:
The lift body is designed with multiple connection mechanisms that all serve the same fundamental function of securing the trailer for towing. Rather than having different mechanisms for different functions, each connection point on the lift body provides the same secure attachment capability. This universal design approach allows multiple connection points without proportionally increasing overall device complexity, as each mechanism follows the same design pattern and can be manufactured using similar processes.
Data Source
AI summary
A lift and tow module for use with a trailer and method of towing a trailer with a truck. The module has an arm having a connection point for securing to a tow vehicle and a lift body having a connection point for securing the lift body to a trailer. The connection point comprises at least two connection mechanisms spaced apart on the main body for connection to corresponding mechanisms on the trailer. A support plate is extendable from and operably supported by the main body and the lift body is movable in reciprocal directions. Mechanical actuators are operably coupled to the body and the arm for controlling respective movement, which allows the module to jack up a trailer, connect to a trailer, and/or tow a trailer.