Pivoting Saw Mount Guide for Precise In-Place Post Cutting

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Solution Overview

Problem

Existing saw guides are cumbersome, difficult to install, and often require specialized saws or a table for cutting objects like fence posts, making it challenging to achieve precise, even cuts, especially when cutting in place.

Innovation Solution

A saw mount with a base that fits against the object's surface, an arm extending from the base with a pivotally mounted saw bracket, and adjustable standoffs for securing the saw, allowing it to pivot for precise cutting without requiring substantial modifications to the saw.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a chainsaw is operated by hand, then it is easy to operate, but it is difficult to make precise even cuts

Engineering Contradiction:
Improveease of operationVSAvoidcutting precision
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

A guide assembly serves as an intermediary between the chainsaw and the workpiece. The guide assembly includes a base that contacts the workpiece surface and an arm with a saw bracket that holds the chainsaw, mediating the cutting action to ensure precision while maintaining ease of operation

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The guide assembly allows adjustment of the chainsaw's position and orientation parameters. The arm can be positioned at different heights and angles relative to the base, enabling precise control of cutting parameters while keeping the operation simple

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If existing saw guides are used, then cutting precision may be improved, but they are cumbersome and difficult to install

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

Solution Approach 1:

The guide assembly is segmented into distinct functional components: a base for positioning, an arm for support and positioning, and a saw bracket for holding the chainsaw. This segmentation allows each component to be simple in design while collectively achieving precise cutting, and facilitates easy assembly and installation

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The guide assembly is designed to be universally applicable to various chainsaws and workpiece types. The base can adapt to different surfaces, the arm provides versatile positioning, and the saw bracket accommodates standard chainsaw interfaces, eliminating the need for specialized equipment

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

3Manufacturing precision

If existing guides are used, then cutting precision may be improved, but they require specialized saws or tables

Engineering Contradiction:
Improvecutting precisionVSAvoidadaptability
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The guide assembly serves multiple functions: it provides a stable base for positioning, an adjustable arm for support, and a versatile saw bracket that accommodates standard chainsaws. This multi-functionality eliminates the need for specialized saws or table setups, enhancing adaptability while maintaining cutting precision

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

Data Source

PatentUS11780042B2Saw mount guide
Publication Date: 2023.10.10 EARLS JASON SCOTT
  • US11780042B2 patent drawing
  • US11780042B2 patent drawing
  • US11780042B2 patent drawing

AI summary

A saw mount for removably securing a saw to an object for cutting of the object includes: a base shaped to fit against a surface of the object; an arm extending from the base from a first end proximate to the base to a second end that is distal from the base; and a saw bracket pivotally mounted towards the distal end of the arm. The saw is removably secured to the saw bracket towards the distal end of the arm such that the saw pivots with respect to the base of the saw mount for cutting of the object by the saw.