Rotating Laser Cutting Guide Bracket
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Solution Overview
Problem
Existing cutting guides require cumbersome marking and separate measuring steps for repeated cuts, especially when cutting logs into firewood, as they often need to be positioned on a table or require fixed stops, making the process inefficient and time-consuming.
Innovation Solution
A cutting guide system for saws, featuring a rotatable bracket with a light emitter that adjusts to different angles and positions, allowing for precise and efficient cutting of various lengths without the need for external marking or table-based setups, by using the saw's existing structure for attachment and a pivot mechanism to align the light emitter laterally offset from the cutting plane.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a rigid cutting stop is used for repeated cuts, then cutting precision is improved, but the setup complexity and time consumption increase
Solution Approach 1:
The patent replaces the traditional mechanical rigid cutting stop with an optical guidance system using a laser emitter. The laser provides a visual reference line that guides the cutter, eliminating the need for complex mechanical stops and measurement devices. This substitution maintains cutting precision while dramatically simplifying the setup process.
Solution Approach 2:
The laser emitter creates an optical copy or projection of the cutting line onto the workpiece. Instead of using a physical stop that contacts the material, the system projects a light pattern that represents the cutting path, allowing the operator to visually align and cut without mechanical interference.
2Manufacturing precision
If traditional marking and measuring steps are used, then cutting accuracy is improved, but productivity decreases
Solution Approach 1:
The laser emitter is positioned and oriented before cutting to pre-establish the cutting line projection on the workpiece. This preliminary alignment eliminates the need for repeated marking and measuring during the cutting process, as the laser line serves as a continuous visual guide throughout the operation.
Solution Approach 2:
The laser provides continuous visual guidance throughout the entire cutting process, eliminating the intermittent nature of traditional marking and measuring steps. The operator can continuously follow the laser line without stopping to re-measure or re-mark, maintaining a steady workflow and improving productivity.
3Manufacturing precision
If a fixed table-based setup is used, then cutting precision is improved, but adaptability to different workpieces decreases
Solution Approach 1:
The laser emitter is mounted on a movable carriage that can be positioned along the workpiece length, and the entire assembly can be adjusted for different workpiece sizes and types. This dynamic positioning capability allows the same optical guidance system to adapt to various workpieces while maintaining cutting precision, unlike fixed table-based setups.
Solution Approach 2:
The optical guidance system serves multiple functions: it provides cutting line projection, guides the cutter, and can be adjusted for different workpiece dimensions. This universal applicability allows the same device to handle various workpiece types and sizes without requiring dedicated fixtures or tables for each application.
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
Enables quick, accurate, and efficient repeated cuts by allowing the saw to be aligned with the light emitter's projection on the item, reducing the need for external marking and table-based setups, thus improving operational efficiency and accuracy in cutting firewood and similar applications.
Implementation Method 1
a light emitter removably attached to the bracket; the bracket configured to rotate the light emitter in a pivot plane about a pivot axis parallel to the cutting plane
Data Source
AI summary
A cutting guide for a saw includes a blade lying in a cutting plane. The cutting guide includes a bracket configured to be removably rotationally attached to the saw. The bracket includes a light clamp, a saw clamp, and a light emitter contained therein a sealed housing. The saw clamp is configured to removably rotationally attach the bracket to the saw, and the light emitter is removably attached to the bracket via the light clamp. The saw clamp is configured to rotate the light emitter in a pivot plane about a pivot axis parallel to the cutting plane. The saw clamp includes a first portion and a second portion each configured with female cylindrical surfaces to clamp to a grasping handle of the saw. The light clamp is a compression clamp configured to hold the light emitter in place. The light emitter includes a laser.