Spray Gun Cover With Segmented Elastomeric Guard
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Solution Overview
Problem
Airless spray guns pose a risk of accidental injection injuries due to high-pressure ejection of materials, and existing solutions fail to effectively prevent unintended triggering and subsequent injuries.
Innovation Solution
A protective cover comprising a semi-rigid elastomeric form encasing the top, front, bottom, and sides of the spray gun, with flexible elastomeric material covering the sides, preventing accidental trigger depression through mechanical joints and varying Shore durometer hardness for structural protection and user comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protective cover is provided for the spray gun, then the gun is protected from damage and unintended triggering, but the complexity of the device increases
Solution Approach 1:
The protective cover is divided into multiple segments including a trigger guard portion, a body portion, and a finger rest portion. Each segment serves a specific protective function while allowing the cover to be manufactured and assembled in a modular fashion, reducing overall complexity
Solution Approach 2:
The protective cover is made from elastomeric material that provides flexibility while maintaining protective capabilities. The elastomeric nature allows the cover to conform to the spray gun shape and provide protection without adding rigid structural complexity
2Reliability
If elastomeric material is used for the cover, then protection and comfort are improved, but the cost of manufacturing increases
Solution Approach 1:
The elastomeric material provides dynamic protection by allowing the cover to flex and conform during use. This dynamic property enables the use of softer, less expensive elastomeric materials rather than requiring rigid, expensive protective materials
Solution Approach 2:
The Shore durometer of the elastomeric material can be adjusted within a range to balance protection, comfort, and manufacturing cost. Softer elastomers provide comfort and protection while being more cost-effective than harder, more rigid materials
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
The cover prolongs the life of the spray gun and significantly reduces the risk of injection injuries by preventing unintended triggering and providing secure handling.
Implementation Method 1
A semi-rigid elastomeric form encloses the top, front, bottom and at least a portion of the sides of an airless spray gun
Implementation Method 2
a flexible elastomeric material covers a significant portion of the sides of an airless spray gun
Data Source
AI summary
An apparatus is disclosed for covering an airless spray gun for the purpose of protecting the gun while preventing unintended triggering. Protecting the gun prolongs the life of the tool while preventing unintended triggering helps prevent injection injuries. In one embodiment a semi-rigid elastomeric form encloses the top, front, bottom and at least a portion of the sides of an airless spray gun, or air assisted spray gun, while a flexible elastomeric material covers a significant portion of the sides of the tool.