Aerosol Spray Head Retainer for Rapid, Secure Deployment

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Solution Overview

Problem

Existing methods for carrying and deploying emergency aerosol sprays are cumbersome, hinder quick access, and fail to provide adequate security and protection, increasing the risk of harm during urgent situations.

Innovation Solution

An aerosol spray retainer that secures the spray head, ensuring rapid deployment by grasping it with a durable mechanism adaptable for various mounting applications, maintaining easy access and protection from environmental factors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If retention straps or devices are used to carry aerosol spray, then the spray is secured and retained, but deployment requires an extra step and time

Engineering Contradiction:

Improvesecurity of spray retentionVSAvoiddeployment time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The invention extracts the spray head from the canister body, allowing the retainer to grip only the spray head portion. This separation enables the spray to be deployed by simply releasing the spray head from the retainer without needing to manipulate fasteners or straps, thus reducing deployment time while maintaining security through the retainer's grip on the spray head.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The retainer is designed with segmented gripping elements that can independently engage with the spray head. This segmentation allows the retainer to securely hold the spray head through multiple contact points while enabling rapid release when needed, resolving the contradiction between secure retention and quick deployment.

Inventive Principle:

Principle #1Segmentation

2Reliability

If elastic sleeves are used to retain aerosol spray, then the spray is held securely, but accessibility is reduced and reinsertion requires two hands

Engineering Contradiction:

Improvesecurity of spray retentionVSAvoidease of retrieval and reinsertion

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The retainer features a self-aligning design where the gripping elements automatically orient themselves to engage with the spray head. This self-service mechanism eliminates the need for precise manual alignment during reinsertion, allowing single-handed operation while maintaining secure retention through the retainer's automatic gripping action.

Inventive Principle:

Principle #25Self-service

3Reliability

If plastic slide-in sleeves are used to retain aerosol spray, then the spray is securely retained, but the design is cumbersome and frustrating to use under stress

Engineering Contradiction:

Improvesecurity of spray retentionVSAvoidease of use under stress

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

Instead of requiring the user to actively manipulate the spray into a restrictive sleeve, the retainer is designed to passively accept and automatically grip the spray head as it is inserted. This inverted approach reverses the complexity from the user's action to the retainer's automatic engagement mechanism, making operation intuitive and stress-resistant.

Inventive Principle:

Principle #13The other way round (Inversion)

4Ease of operation

If carabiner hooks are used to attach aerosol to backpack straps, then the spray is carried conveniently, but the can dangles and swings, potentially hitting the user and dislodging the safety mechanism

Engineering Contradiction:

Improveconvenience of carryingVSAvoidunintentional trigger activation

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The retainer positions the spray head in a different spatial dimension relative to the mounting surface, creating a stable, fixed orientation that prevents swinging and dangling. By anchoring the spray head directly to the mounting surface through the retainer's gripping mechanism, the spray is held in a controlled position that eliminates the harmful swinging motion while maintaining carrying convenience.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS20250241430A1Emergency aerosol retainer: rapid, secure access for crowd control, fire suppressant, wildlife deterrent, and other safety sprays

Publication Date: 2025.07.31 RUNIA DAVID P

AI summary

The invention described herein relates to an emergency aerosol retainer, designed to securely hold the aerosol canister while providing quick access in emergency situations. The aerosol retainer features a durable and lightweight construction with an ergonomic design which allows for easy attachment to belts, backpacks, vehicles, or structures. The aerosol retainer facilitates rapid deployment in emergency situations by minimizing interference when deploying the aerosol spray. This invention offers enhanced safety and convenience for hikers, campers, motorists, law enforcement, firefighters, and others by ensuring that emergency aerosol sprays are always within reach. The primary initial application for this invention is for wildlife deterrent spray, such as bear spray.