Single Arm Stick Attachment Fulcrum Leverage

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Solution Overview

Problem

Existing sports equipment, such as sticks, are designed for use with two hands, resulting in a loss of force and control when used with one arm, limiting their potential for single-arm operation.

Innovation Solution

A removable handle and forearm attachment system that allows multiple points of contact with the stick, enabling proper force and control by accommodating different user sizes and preferences.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional two-handed stick design is used, then force and control are optimized for two hands, but single-arm operation loses force and control

Engineering Contradiction:

Improvesingle-arm operation capabilityVSAvoidforce and control

Core Design Contradiction:

Ease of operationVSForce

Solution Approach 1:

The attachment system is divided into separate components: a handle attachment for hand placement and a forearm cradle for forearm support. This segmentation allows each component to be optimized for its specific function while working together to provide two-handed control equivalent force and control for single-arm operation

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The attachment system acts as an intermediary between the single arm and the stick, providing the missing fulcrum point and force application point. The forearm cradle specifically serves as a mediator to create the lever arm necessary for controlled stick manipulation

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If multiple points of contact are added to enable single-arm control, then force and control improve, but device complexity increases

Engineering Contradiction:

Improvecontrol and forceVSAvoidattachment system complexity

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The attachment system is designed with universal features that allow it to be adapted to different stick types and user preferences. The adjustable positioning capabilities enable the same basic design to serve multiple functions across different应用场景, reducing the need for multiple specialized designs

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The attachment system incorporates adjustable and adaptable features that allow users to customize the positioning and configuration based on their specific needs. This dynamic adaptability enables the system to maintain simplicity while providing complex functionality when needed

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS20250153018A1Single arm stick attachment apparatuses and related methods

Publication Date: 2025.05.15 SCHUETT WILLIAM

AI summary

The invention is comprised of a novel one arm stick controlling device generally consisting of a handle and cradle to allow force and control of a stick by utilizing the proper fulcrum point of the stick. A removable construction allows the device to be used with different sticks without the need to use special sticks only made for the use of one arm.