Pistol Slide Actuation Tool with Flange and Grip

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Solution Overview

Problem

Semi-automatic pistol slide mechanisms can be difficult to actuate due to smooth finishes, narrow surfaces, and stiff springs, making it challenging for users to load ammunition quickly and efficiently, especially in situations requiring rapid action.

Innovation Solution

An apparatus with a first and second side portion connected by a top portion, featuring a tunnel to receive the slide mechanism, a flange to provide a pushing force, and ergonomic design elements like apertures, ridges, and knobs to facilitate easier grip and actuation, allowing the user to position the apparatus over the slide mechanism and grip it for effective actuation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the slide mechanism has a smooth finish, then manufacturing is easier and the surface is cleaner, but it becomes difficult to grip for users

Engineering Contradiction:
Improvesmooth finishVSAvoidgrip ability
Core Design Contradiction:
Ease of manufactureVSEase of operation

Solution Approach 1:

The apparatus applies local quality by adding textured gripping surfaces (ridges, knurling, or rubber coatings) only at specific contact points where user grip is needed, while leaving the rest of the slide mechanism with its smooth finish for ease of manufacture and cleaning. This resolves the contradiction by providing enhanced grip ability locally without compromising the overall smooth surface.

Inventive Principle:
Principle #3Local quality

2Length of moving object

If the slide mechanism is narrow, then the pistol size is reduced and more compact, but there is insufficient surface area for users to grip

Engineering Contradiction:
Improveslide widthVSAvoidgrip surface area
Core Design Contradiction:
Length of moving objectVSEase of operation

Solution Approach 1:

The apparatus resolves this contradiction by extending the grip surface into another dimension through protruding side portions that wrap around or extend beyond the narrow slide edges. This provides additional grip surface area in the lateral dimension while maintaining the compact narrow profile of the pistol slide itself.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Power

If the spring is stiff, then the pistol has greater power and faster recoil, but it becomes difficult to slide the mechanism backward

Engineering Contradiction:
Improverecoil powerVSAvoidslide actuation effort
Core Design Contradiction:
PowerVSEase of operation

Solution Approach 1:

The apparatus acts as an intermediary tool between the user and the stiff spring. By providing a lever arm and mechanical advantage through its structure, it amplifies the user's input force to overcome the stiff spring resistance, enabling easy manual operation while preserving the full power of the spring during automatic cycling.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Device complexity

If no auxiliary tool is used, then the device is simpler and has fewer parts, but users struggle to actuate the slide mechanism quickly

Engineering Contradiction:
Improvenumber of partsVSAvoidloading speed
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The apparatus is designed to be self-contained with all necessary gripping surfaces, pushing surfaces, and structural elements integrated into a single unit. Users simply attach it to the slide and it automatically provides all the mechanical advantage and grip enhancement needed, eliminating the need for multiple separate tools or complex adjustment mechanisms while enabling rapid loading.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS9157691B2Apparatus and method for actuating a slide mechanism for a semi-automatic pistol
Publication Date: 2015.10.13 P U F
  • US9157691B2 patent drawing
  • US9157691B2 patent drawing
  • US9157691B2 patent drawing

AI summary

An apparatus configured to aid a user in actuating a slide mechanism of a semi-automatic pistol is disclosed. The apparatus includes a first side portion connected to a second side portion by a top portion extending therebetween, a tunnel configured to receive the slide mechanism therein and extend a length of the apparatus from a first end portion to a second end portion, and a flange configured to rest against an end of the slide mechanism to provide a pushing force on the end when a user actuates the slide mechanism.