Chainsaw Guide Device for Precision Trimming

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing sawing aid devices for chain saws do not provide adequate handling and guidance, particularly when trimming insulating materials, where improved precision and ease of use are required.

Innovation Solution

A sawing aid device with a base frame that allows height adjustment and is equipped with a guide device for precise guidance of the chain saw, along with a base support for optimal operation and a collecting container for sawdust, enabling easy handling and precise cuts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a chain saw is mounted on a base element for universal use, then local independence and mobility are improved, but handling and guidance precision deteriorate when trimming insulating materials

Engineering Contradiction:
Improveuniversal useVSAvoidhandling and guidance
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The device is divided into separate functional modules: a base element for mounting the chainsaw, a guide device with adjustable guide rails, and a base support. This segmentation allows the chainsaw to be mounted on a simple base for universal use while the guide device can be added specifically when precision trimming is needed, resolving the contradiction between versatility and handling precision.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The guide device features height-adjustable guide rails that can be dynamically repositioned along the base frame using adjustment mechanisms. This dynamic adjustability allows the device to adapt to different work heights and materials, improving ease of operation for specific trimming tasks while maintaining the universal mounting capability of the base element.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If a chain saw is mounted on a base element, then mobility and local independence are improved, but cutting precision and dimensional accuracy deteriorate

Engineering Contradiction:
ImprovemobilityVSAvoidcutting precision
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The guide device acts as an intermediary between the mobile base element and the cutting task. It provides fixed guide rails that constrain the chainsaw's movement path, ensuring precise cutting geometry while the base element remains mobile and can be relocated as needed. The intermediary guide mechanism resolves the contradiction between mobility and cutting precision.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The guide device provides localized precision guidance only in the cutting region through precisely machined guide rails and alignment features, while the rest of the base element maintains its mobile, versatile characteristics. This local quality approach ensures high cutting precision where needed without compromising the overall mobility of the system.

Inventive Principle:
Principle #3Local quality

3Manufacturing precision

If a guide device is added to improve cutting precision, then dimensional accuracy is improved, but device complexity increases

Engineering Contradiction:
Improvedimensional accuracyVSAvoidstructure complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The guide device is designed with multi-functionality to justify its added complexity: it provides precise cutting guidance, height adjustment for different materials, and can accommodate various chainsaw types through universal mounting interfaces. This multi-functionality resolves the contradiction by ensuring the added structural complexity serves multiple purposes beyond just guidance.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The guide device uses adjustable parameters such as height positioning along the base frame and angular adjustment of the guide rails to achieve precise cuts. These parameter changes allow a relatively simple structural design to provide high dimensional accuracy through flexibility and adaptability rather than complex fixed mechanisms.

Inventive Principle:
Principle #35Parameter changes

4Ease of operation

If the base support is positioned at optimal height for easy operation, then ease of operation is improved, but the device requires more vertical space

Engineering Contradiction:
Improveoperational comfortVSAvoidvertical height
Core Design Contradiction:
Ease of operationVSLength of stationary object

Solution Approach 1:

The base support and guide device feature height adjustability, allowing the operational height to be dynamically changed based on the operator's needs and the specific work environment. This dynamic height adjustment improves operational comfort while the ability to lower the device when not in use minimizes the permanent vertical space requirement, resolving the contradiction between ease of operation and space occupation.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3067175B1Sawing assistance device with a chain saw
Publication Date: 2019.07.31 MULLER JUN WALTER
  • EP3067175B1 patent drawingFigure 1
  • EP3067175B1 patent drawingFigure 2
  • EP3067175B1 patent drawingFigure 3

AI summary

The invention relates to a sawing aid for a chainsaw (52), comprising a base element (10) with a mounting device (18) to which the chainsaw (52) can be quickly and releasably attached. To enable improved handling and guidance of the chainsaw held on the base element (10), a base frame (80) with a guide device (82) is provided, to which the base element (10) can be attached and along which the attached base element (10) can be guided.