Self-Defense Flashlight Safety Button Trigger Mechanism
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Solution Overview
Problem
Conventional self-defense devices, such as pepper spray, are often bulky, ergonomically uncomfortable, and prone to accidental discharge, and may escalate aggression due to their design, lacking optimal solutions for varying levels of potential danger.
Innovation Solution
A self-defense flashlight device integrating a pepper spray mechanism with a safety button and trigger system, allowing for controlled discharge and easy access, while maintaining the functionality of a flashlight, ensuring non-accidental activation and efficient use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional pepper spray devices are used, then self-defense capability is provided, but the devices are bulky and ergonomically uncomfortable
Solution Approach 1:
The patent combines a pepper spray mechanism with a flashlight into a single integrated device. The pepper spray canister, trigger mechanism, and flashlight components are merged into one unit, eliminating the need to carry separate self-defense and illumination devices. This merging reduces the overall volume burden on the user while maintaining both functions.
Solution Approach 2:
The device performs multiple functions: it provides self-defense through pepper spray discharge and illumination through the flashlight. This multi-functionality allows a single device to replace what would traditionally require multiple separate devices, improving ergonomic comfort by reducing the number of items the user must carry and manipulate.
2Reliability
If conventional pepper spray devices are used, then self-defense capability is provided, but they are prone to accidental discharge
Solution Approach 1:
The patent incorporates a safety button that must be depressed before the trigger can be pulled to discharge the pepper spray. This preliminary action (pressing the safety button) prevents accidental discharge by requiring a deliberate two-step operation. The safety button acts as a preliminary barrier that must be overcome before the harmful action (pepper spray discharge) can occur.
Solution Approach 2:
The trigger mechanism includes a safety button that must be pressed first to enable trigger operation. This preliminary action ensures that the user intentionally activates the device before pulling the trigger, reducing the risk of accidental discharge while maintaining ease of operation when intentionally activated.
3Adaptability or versatility
If conventional pepper spray devices are used, then self-defense capability is provided, but they may escalate aggression due to their design
Solution Approach 1:
The integrated device provides both illumination and self-defense capabilities in one unit. The flashlight component allows the user to illuminate the environment first, which may deter potential threats without requiring immediate use of force. This multi-functionality enables a graduated response to varying levels of danger, reducing the likelihood of aggression escalation by offering a non-confrontational option (light) before defensive action (pepper spray).
Solution Approach 2:
The device segments the self-defense function into distinct operational modes: illumination mode (flashlight only) and defensive discharge mode (pepper spray). This segmentation allows the user to choose the appropriate level of response based on the situation, providing adaptability to varying danger levels while reducing unnecessary aggression escalation.
4Volume of moving object
If pepper spray mechanism is integrated with flashlight, then compact design is achieved, but device complexity increases
Solution Approach 1:
The patent merges the pepper spray mechanism and flashlight into a single integrated device, achieving compactness by eliminating the need for separate devices. The shared housing, battery compartment, and control mechanisms reduce overall volume while the functional integration manages complexity through unified design.
Data Source
AI summary
A device for discharging the contents of a spray canister, wherein the device has a safety button, and wherein the safety button is configured to guard against accidental discharge of the contents of the spray canister. The safety button is further configured to snap into position either on a safety ON or OFF position and stay in either position until toggled. A discharge trigger is configured to be operated by pushing the safety button sideways to the safety OFF position and then pushing the discharge trigger forward to expel the content of the spray canister. A tumbler tongue is configured to slide into the central housing opening when the safety button is in the ON position, rendering the discharge trigger immovable. A cam follower pin is configured to slide along the tumbler cam contour.