Expandable Baton With Magnetic Locking For Training

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Solution Overview

Problem

Existing self-defense training batons do not accurately replicate the handling and carrying conditions of service batons, potentially leading to inadequate muscle memory development and increased risk of injury during training due to differences in weight and material distribution.

Innovation Solution

An expandable baton designed with a plurality of sections made of lightweight polymeric materials, featuring a magnetically engaged end cap and metal members for frictional locking in an extended configuration, allowing for realistic training while minimizing the risk of injury through reduced mass and weight distribution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a service baton is used in self-defense training, then realistic training scenarios can be provided, but the risk of injury or death increases due to sufficient force delivery capability

Engineering Contradiction:
Improvetraining realismVSAvoidinjury risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent changes the material parameters of the baton sections from metal to lightweight polymeric materials, fundamentally altering the mass and strike force characteristics while preserving the operational handling and expandable configuration

Inventive Principle:
Principle #35Parameter changes

2Object-affected harmful factors

If a flexible rod training baton is used, then injury risk is reduced, but the ability to fit into a holster and replicate normal carrying practice is compromised

Engineering Contradiction:
Improveinjury riskVSAvoidholster compatibility
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The patent employs dynamic sections that can telescopingly extend and collapse, allowing the training baton to transition between a compact stored configuration that fits holsters and an extended operational configuration for realistic training scenarios

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes the material from flexible rod to rigid polymeric sections with dynamic telescoping capability, maintaining holster compatibility while providing sufficient structural integrity for realistic training

Inventive Principle:
Principle #35Parameter changes

3Force

If metal sections are used in an expandable baton, then strike force capability is maintained, but the overall weight and mass distribution may not be ideal for training purposes

Engineering Contradiction:
Improvestrike forceVSAvoidbaton weight
Core Design Contradiction:
ForceVSWeight of moving object

Solution Approach 1:

The patent changes the material composition from metal to lightweight polymeric materials, reducing the mass and weight of the baton sections while maintaining sufficient structural integrity and strike force capability for training purposes

Inventive Principle:
Principle #35Parameter changes

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 baton provides a realistic training experience that mimics the handling and carrying conditions of service batons, reducing the risk of injury during training scenarios by using polymeric materials and a lightweight design, while maintaining the ability to be easily extended and collapsed.

Implementation Method 1

A magnet centrally mounted in an end cap engages a metal member in the end section to maintain a collapsed state

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Implementation Method 2

When the baton is extended, the handle section, second section and the end section are frictionally locked in an extended configuration

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS8568242B2Expandable baton for self-defense training
Publication Date: 2013.10.29 MILLIGAN CLIVE
  • US8568242B2 patent drawing
  • US8568242B2 patent drawing
  • US8568242B2 patent drawing

AI summary

An expandable baton for use in self-defense training, comprising a plurality of sections including a handle and an end section, the plurality of sections adapted to nest within the handle section in a collapsed state. A magnet centrally mounted in an end cap engage a metal member in the end section to maintain the collapsed state until expansion is desired. When the expandable baton is extended, the handle section, middle section and the end section are frictionally engaged in an extended configuration.