Saw Chain Holder Assembly for Off-Saw Chain Sharpening
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Solution Overview
Problem
Existing saw chain sharpening methods, such as bar mounted sharpeners, require the saw chain to be mounted on a chainsaw, limiting flexibility and efficiency, as they render the chainsaw inoperable during sharpening and cannot be used with a different sharp chain.
Innovation Solution
A saw chain holder with a base plate and cover plate that removably attach, allowing the saw chain to be sharpened independently of the chainsaw, accommodating various gauges and enabling the use of a different sharp chain during sharpening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a bar mounted sharpener is used to sharpen a saw chain, then the sharpening function is achieved, but the chainsaw becomes inoperable during sharpening and flexibility is reduced
Solution Approach 1:
The system is divided into separate components: a standalone chain holder that can be mounted independently on any surface, and a bar-mounted sharpener that attaches to the holder. This segmentation allows the chainsaw to remain mounted and operational while the chain is removed for sharpening on a separate station.
Solution Approach 2:
The chain holder acts as an intermediary device between the chainsaw and the sharpener. It provides a mounting interface that decouples the chain from the chainsaw bar, allowing the chain to be positioned for sharpening while the chainsaw remains in its operational mounting.
2Adaptability or versatility
If a bar mounted sharpener is used, then sharpening capability is provided, but the saw chain must remain mounted on the chainsaw, limiting adaptability
Solution Approach 1:
The chain holder is designed as a universal mounting device that can accommodate different chain types and sizes. It provides a standardized interface that works with various chainsaw models and chain specifications, allowing users to sharpen different chains on the same holder without requiring chain-specific mounting arrangements.
Data Source
AI summary
A saw chain holder with a bar mounted sharpener for sharpening a chain includes a base plate and a cover plate removably attachable to the base plate. The base plate has a first base side surface, an opposite second base side surface, a groove extending into the first base side surface, and a base recess extending into the second base side surface. The cover plate has a first cover side surface and an opposite second cover side surface. The cover plate is movable into an assembled state in which the first cover side surface abuts the first base side surface, the chain is movable along the groove between the base plate and the cover plate, and the bar mounted sharpener is mounted in the base recess, bears against the second cover side surface, and is positioned over the groove.