Flip Top Receiver for Paintball Markers

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Solution Overview

Problem

Existing paintball markers require complex and time-consuming disassembly for maintenance and servicing, as they lack easy access to internal components.

Innovation Solution

A paintball marker design featuring a flip top portion and movable walls that pivot between open and closed positions, providing access to internal components for servicing while maintaining functionality, including a valve arrangement for compressed gas propulsion and a linkage system for actuating the rear bolt.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of repair

If traditional disassembly methods are used for maintenance, then complete access to internal components is achieved, but the maintenance process becomes complex and time-consuming

Engineering Contradiction:
Improveaccess to internal componentsVSAvoidmaintenance time
Core Design Contradiction:
Ease of repairVSLoss of time

Solution Approach 1:

The receiver is divided into multiple segments with movable walls that can be independently opened. The first wall can be moved from a first position to a second position, and the second wall can be moved from a second position to a third position, allowing selective access to different internal components without complete disassembly of the marker.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The walls of the receiver are designed to be movable rather than fixed. The first wall is movable between first and second positions, and the second wall is movable between second and third positions, enabling dynamic access to internal components during maintenance while maintaining structural integrity during operation.

Inventive Principle:
Principle #15Dynamics

2Ease of repair

If the receiver is made fully accessible for maintenance, then serviceability is improved, but the structural integrity and sealing during operation may be compromised

Engineering Contradiction:
ImproveserviceabilityVSAvoidstructural integrity
Core Design Contradiction:
Ease of repairVSReliability

Solution Approach 1:

The receiver is segmented into multiple movable sections rather than requiring complete disassembly. Each wall can be independently moved to provide necessary access while leaving other sections closed and structurally intact, maintaining reliability during operation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Only the necessary portions of the receiver walls are opened to provide access to specific internal components that require maintenance. The walls are moved partially rather than completely removing all components, providing sufficient access while preserving structural integrity.

Inventive Principle:
Principle #16Partial or excessive action

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

Facilitates quick and efficient maintenance and servicing by allowing easy access to internal components without disassembling the entire device, reducing downtime and improving user convenience.

Implementation Method 1

A drive spring is provided that is configured to urge the rear bolt toward the firing position

Methodology Applied
Scientific EffectSpring: Spring

Implementation Method 2

The frangible projectiles commonly have a gelatinous or plastic shell designed to break upon impact. Typically, the shells are filled with a marking material, such as paint, and/or an immobilizing material, such as a noxious chemical.

Methodology Applied
Scientific EffectCompressed gas propulsion: Pressure Increase

Data Source

PatentUS8925539B2Paintball marker with quick access receiver
Publication Date: 2015.01.06 KORE OUTDOOR US INC
  • US8925539B2 patent drawing
  • US8925539B2 patent drawing
  • US8925539B2 patent drawing

AI summary

A paintball marker with a barrel having a bore dimensioned to receive a frangible projectile. The marker has a receiver defining an interior cavity with a breech area. The receiver includes a flip top portion that is, in some embodiments, pivotally connected to the receiver. The flip top portion is configured to pivot between an open position that provides access to the interior cavity and a closed position that blocks access to the interior cavity. A valve arrangement is provided to selectively allow flow between a supply of compressed gas and the breech area to propel frangible projectiles through the barrel. The marker has a firing assembly configured to actuate the valve arrangement in response to actuation of a trigger.