Firearm Slide Assist Device Mechanical Leverage
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Solution Overview
Problem
Racking a firearm slide requires significant force, which can be challenging for individuals with limited hand strength, potentially leading to accidental discharge or inability to defend oneself effectively, especially in situations like misfires or jams.
Innovation Solution
A firearm slide assist device with a handle and cam end featuring upper and lower tines, a securing arm, and a fastening device, providing mechanical leverage to easily rack the slide without retrofitting the firearm, and allowing quick mounting and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If manual racking of the slide is used, then the firearm can be operated, but significant force is required which may be beyond the capability of some users
Solution Approach 1:
A slide assist device acts as an intermediary tool between the user's hand and the firearm slide. The device includes a handle for user gripping and a cam mechanism that interfaces with the slide, providing mechanical leverage to reduce the force required for racking while maintaining proper slide manipulation.
Solution Approach 2:
The slide assist device introduces a mechanical advantage through a cam mechanism that converts the user's linear pulling motion on the handle into rotational motion of the cam, which then applies force to the slide at a different point and angle, effectively reducing the required input force.
2Ease of operation
If a slide assist device is added to the firearm, then racking the slide becomes easier, but the device complexity increases
Solution Approach 1:
The slide assist device is designed as a separate, modular component that attaches to the firearm slide rather than being integrated into the firearm's core structure. This segmentation allows the assist mechanism to be added without modifying the firearm's fundamental design, maintaining simplicity while providing the desired functionality.
Solution Approach 2:
The assist device serves as a temporary intermediary tool that can be attached when needed and removed when not needed, rather than being a permanent modification to the firearm. This approach adds complexity only when required, preserving the simplicity of the base firearm system.
3Reliability
If the slide assist device is permanently mounted on the firearm, then it is always available for use, but the firearm requires modification
Solution Approach 1:
The slide assist device employs a dynamic attachment system that allows it to be easily mounted and dismounted as needed. The device can be quickly attached to the slide when assistance is required and removed when not needed, providing flexibility without requiring permanent modification to the firearm.
Solution Approach 2:
The assist device functions as a removable intermediary tool rather than a permanent fixture, allowing users to attach it temporarily when needed for racking assistance and remove it afterward, avoiding permanent firearm modification while maintaining reliability when required.
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
Enhances the user's ability to safely and forcefully manipulate the slide, providing enhanced mechanical leverage for racking, ensuring proper operation and quick defense capabilities without the need for special tools or reconfiguration.
Implementation Method 1
providing enhanced mechanical leverage for racking
Data Source
AI summary
A firearm slide assist device is disclosed with a handle having a grasping end and a cam end with an upper tine and a lower tine. The firearm slide assist device further includes a securing arm for connection to the cam end, and a fastening device for fastening the securing arm within the upper tine and the lower tine of the cam end.


