Pneumatic Cargo Strap Gun Assembly
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Solution Overview
Problem
Existing gun devices for launching cargo straps over loads do not utilize a spring-loaded plunger mechanism, requiring manual positioning and extension of the strap, which can be cumbersome and inefficient.
Innovation Solution
A gun device featuring a hollow cylinder with a spring-loaded plunger that is biased into a fired position using a cocking mechanism and trigger, allowing the cargo strap to be automatically launched over a load without manual extension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a manual catapult device is used to launch cargo strap, then the device structure is simple, but the operation efficiency is low and user effort is high
Solution Approach 1:
The patent replaces the manual mechanical catapult system with a pneumatic system using compressed air to power the plunger. The compressed air储 in a tank is released through a valve to propel the plunger, which launches the cargo strap. This substitution of manual mechanical effort with pneumatic power significantly improves operation efficiency while maintaining reasonable device complexity through the use of standard pneumatic components.
2Loss of time
If manual positioning and extension of cargo strap is used, then the device structure is simple, but the time required for securing loads is excessive
Solution Approach 1:
The patent implements preliminary action by pre-loading the plunger with compressed air energy before the actual cargo strap deployment. The plunger is positioned and held in readiness with the pneumatic system already pressurized, so that when the trigger is activated, the cargo strap is launched immediately without requiring manual positioning or extension time. This preliminary preparation of the launching mechanism eliminates the time-consuming manual operations.
3Extent of automation
If a spring loaded plunger mechanism is implemented, then the automation level increases, but the device complexity increases
Solution Approach 1:
The patent uses a pneumatic system (compressed air tank and valve) to replace what would otherwise require a complex spring-loaded mechanical system. The compressed air provides the forcing mechanism to propel the plunger automatically when triggered. This pneumatic approach achieves high automation level while keeping device complexity manageable by using a simple valve-controlled gas pressure system rather than complex mechanical springs and levers.
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
Enables efficient and automatic deployment of the cargo strap over a load, reducing user effort and time required for securing loads, such as those on flatbed trucks.
Implementation Method 1
A plunger is slidably positioned in the cylinder and the plunger is compressible into a loaded position. The plunger is biased into a fired position to launch the cargo strap outwardly from the cylinder
Data Source
AI summary
A cargo strap gun assembly includes a cylinder that has an open end and a closed end. The cylinder is substantially hollow and the open end can receive a cargo strap. A plunger is slidably positioned in the cylinder and the plunger is compressible into a loaded position. The plunger is biased into a fired position to launch the cargo strap outwardly from the cylinder thereby facilitating the cargo strap to be launched over a load. A cocking mechanism is slidably integrated into the cylinder to urge the plunger into the loaded position. A trigger is movably integrated into the cylinder to facilitate the plunger to be biased into the fired position.