Pistol Rear Rail Insert Integrating Slide Guide and Trigger Housing
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Solution Overview
Problem
The assembly of firearms from parts often requires separate components for the rail and trigger mechanism, leading to increased costs and complexity, as purchasers need to buy and install additional metal parts with polymer receivers and frames, which can be cumbersome.
Innovation Solution
A single rear rail insert component that integrates a frame rail and trigger mechanism housing, allowing for a unified assembly within a pistol frame, providing a rail surface for the slide and housing for the trigger mechanism, thus simplifying the assembly process and reducing the need for additional parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If separate components are used for rail and trigger mechanism with polymer receivers, then structural integrity is improved, but device complexity and assembly cost increase
Solution Approach 1:
The patent combines the rail component and trigger mechanism housing into a single integrated rear rail module. This module includes a rear rail portion that provides the rail surface and a trigger mechanism housing portion that houses the trigger mechanism, eliminating the need for separate metal reinforcement parts and simplifying assembly while maintaining structural integrity in polymer receivers.
Solution Approach 2:
The rear rail module serves multiple functions simultaneously: it provides a rail surface for slide attachment, houses the trigger mechanism, and reinforces the polymer receiver structure. This multi-functional design eliminates the need for separate components and reduces assembly complexity while maintaining the structural benefits of metal reinforcement.
2Adaptability or versatility
If multiple separate parts are required for polymer receivers, then adaptability is improved, but ease of manufacture deteriorates
Solution Approach 1:
By integrating the rail and trigger housing into a single rear rail module, the patent simplifies the manufacturing process while maintaining customization options. The module can be produced as a single component or in standardized variations, reducing the number of parts that need to be manufactured, inventoried, and assembled.
3Reliability
If separate metal parts are added to polymer receivers, then reliability is improved, but loss of substance increases
Solution Approach 1:
The integrated rear rail module reduces parts waste by combining multiple functions into a single component. Instead of requiring separate metal reinforcement parts, rails, and trigger housings, the module provides all these functions in one piece that can be directly installed in the polymer receiver, reducing inventory requirements and assembly waste.
Data Source
AI summary
The present invention provides a pistol with a frame having a rear grip, a trigger facility forward of the grip and an upper surface. An elongated slide is connected to the frame and operable to reciprocate along the upper surface. The frame defines a rear recess open at the upper surface. An insert is included having a major portion removably received in the rear recess and having a frame rail extending from the major portion above the upper surface. The frame rail is adapted to connect with the slide to constrain reciprocation.