Saw Guide With Adjustable Finger Member For Precision Cutting

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Solution Overview

Problem

Cutting logs to a specific length with a chain saw is tedious and inefficient due to the need for repeated measurement and marking, which disrupts the cutting process and lacks precision.

Innovation Solution

A saw guide system comprising a housing, boom, and finger member that allows for adjustable and secure attachment to a chain saw, enabling comparative measurement and precise cutting without the need for frequent measurement and marking, using a rigid finger member that can be locked onto the boom and rotated to contact the wood for accurate cuts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If repeated measurement and marking is performed to cut logs to specific length, then cutting precision is improved, but operation time and complexity increase significantly

Engineering Contradiction:
Improvecutting precisionVSAvoidoperation time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The guide assembly is pre-configured with a fixed distance between the guide blade and the finger member, establishing the cut length before the cutting operation begins. This eliminates the need for repeated measurement and marking during the cutting process, as the guide structure itself defines the precise cut location.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The finger member acts as an intermediary reference point that contacts the log surface and works in conjunction with the guide blade to establish the cut geometry. This intermediary element provides a stable reference that ensures consistent cut lengths without requiring repeated measurement operations.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If repeated measurement and marking is performed to cut logs to specific length, then cutting precision is improved, but device complexity increases

Engineering Contradiction:
Improvecutting precisionVSAvoidoperation complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The guide blade assembly and the finger member are merged into a single integrated guide assembly that attaches to the chain saw. This combination consolidates multiple functions (guiding the blade, providing length reference, and establishing cut geometry) into one device, eliminating the need for separate measuring tools and marking operations.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The guide assembly serves multiple functions simultaneously: it guides the chain saw blade along the log, provides a fixed length reference through the finger member positioning, and establishes the cut geometry through its rigid structure. This multi-functionality replaces multiple separate operations (measuring, marking, and guiding) with a single integrated tool.

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

3Adaptability or versatility

If traditional measuring method is used to cut logs, then adaptability to different cut lengths is maintained, but productivity decreases

Engineering Contradiction:
Improveadaptability to different cut lengthsVSAvoidcutting speed
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The guide assembly incorporates adjustable components that allow the distance between the guide blade and the finger member to be modified for different cut lengths. This dynamic adjustability enables the same device to adapt to various cutting requirements while maintaining high cutting speed, as the adjustment is made once before the cutting operation rather than requiring repeated measurements during cutting.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20220001568A1Saw guide
Publication Date: 2022.01.06 GRAZIANO THOMAS
  • US20220001568A1 patent drawing
  • US20220001568A1 patent drawing
  • US20220001568A1 patent drawing

AI summary

Disclosed is a portable, mechanical saw guide, system, and process for using the same. The saw guide includes a housing, boom, and finger member that creates a comparative measurement basis for cutting wood.