Foldable Pump-Action Shotgun Design
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Solution Overview
Problem
Pump-action shotguns cannot be easily transported due to their non-foldable design, making carrying and storage cumbersome compared to other types of shotguns.
Innovation Solution
A foldable pump-action shotgun design is developed, allowing the lower and upper bodies to fold along a main screw axis, enabling the shotgun to be compactly stored in a bag for easy transportation while maintaining functionality for shooting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pump-action shotgun is designed with fixed structure, then operational reliability is improved, but ease of transportation deteriorates
Solution Approach 1:
The shotgun is divided into two main segments: upper body and lower body, connected through a folding mechanism. This segmentation allows the shotgun to be folded into a compact configuration for easy transportation while maintaining structural integrity and operational reliability when assembled for use.
2Ease of operation
If shotgun is made foldable, then ease of transportation is improved, but device complexity increases
Solution Approach 1:
The folding mechanism incorporates dynamic elements including a movable locking pin that can engage with locking clearances, a spring-loaded pump action system, and articulated joints with main screws. These dynamic components enable the transition between folded and unfolded states while maintaining structural stability during operation.
3Volume of moving object
If shotgun is folded for transportation, then volume occupied is reduced, but ease of assembly deteriorates
Solution Approach 1:
The design incorporates pre-positioned locking clearances and a spring-loaded pump action mechanism that automatically engages when the shotgun is assembled. The locking pin is pre-configured to engage with the locking clearances, and the spring mechanism is pre-compressed to provide automatic locking, thereby simplifying the assembly process despite the folding structure.
Data Source
AI summary
A foldable pump-action shotgun is disclosed to enable the pump-action shotgun used in hunting to be created in a folding structure, thus providing ease of carriage, wherein the feeding/unloading process of the cartridge is provided.