Shotgun Shell Carrier Clips with Retention Hoods

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Solution Overview

Problem

Existing shotgun shell carriers fail to securely prevent longitudinal movement of shotgun shells, leading to potential dislodgment during physical activity or accidental bumps.

Innovation Solution

A shotgun shell carrier design featuring upper and lower clips with resilient arms and hoods that securely grasp and retain shells by blocking movement in both longitudinal directions, using a bracket with adjustable positions for enhanced stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If shotgun shells are retained in a carrier on the user's belt, then the user can easily grasp them for insertion into the shotgun, but the shells are not securely prevented from longitudinal movement and can come out if the user bumps the carrier

Engineering Contradiction:

Improveease of grasping shellsVSAvoidsecurity of shell retention

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The carrier is divided into multiple clips, each with individual resilient arms and hoods that independently engage with shells. This segmentation allows each shell to be securely held by its own clip mechanism while maintaining easy access for the user to grasp and reload shells sequentially.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The resilient arms are pre-biased to exert a holding force on the shells, and the hoods are positioned to preemptively block longitudinal movement before it can occur. This preliminary anti-action prevents shells from dislodging during bumps or physical activity while still allowing intentional removal by the user.

Inventive Principle:

Principle #9Preliminary anti-action

2Reliability

If resilient arms and hoods are added to secure shells longitudinally, then shell retention reliability is improved, but the device complexity increases

Engineering Contradiction:

Improvesecurity of shell retentionVSAvoidstructural complexity of carrier

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The carrier uses identical resilient arms and hood structures repeated across multiple clips. This homogeneous design maintains reliability through consistent shell retention mechanisms while reducing overall complexity by using standardized, interchangeable components rather than unique structures for each shell position.

Inventive Principle:

Principle #33Homogeneity

Solution Approach 2:

The resilient arms automatically adjust and maintain their holding force on the shells without requiring additional adjustment mechanisms. The springs self-regulate to provide consistent retention pressure, eliminating the need for complex adjustment devices or multiple fastening systems.

Inventive Principle:

Principle #25Self-service

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

The carrier effectively prevents accidental dislodgment of shotgun shells, ensuring quick and reliable reloading by securely holding multiple shells in place during use.

Implementation Method 1

upper and lower clips with resilient arms

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentUS9651347B2Shotgun shell carrier

Publication Date: 2017.05.16 SAFARILAND LLC

AI summary

A shotgun shell carrier includes two clips on opposite ends of a bracket, for holding two shells end to end. Each clip has a shell end compartment for receiving an end portion of a shelf. Each clip has a hood that extends over the shell end compartment to block longitudinal movement of the shell out of the clip.