Saw Chain Holder for Independent Bar Mounted Sharpener Use
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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 cannot be used with a removed saw chain and necessitate the chainsaw's inoperability during sharpening.
Innovation Solution
A saw chain holder comprising a base plate and a cover plate with a groove and recess system that securely holds a bar mounted sharpener, allowing for sharpening of the saw chain independently of the chainsaw, enabling the use of a different sharp chain during sharpening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a bar mounted sharpener is used to sharpen the saw chain, then the sharpening function is achieved, but the chainsaw must remain mounted and operational, limiting flexibility and requiring the chainsaw to be removed from service
Solution Approach 1:
The device is divided into two separate functional components: a chainsaw bar that provides mounting structure and a standalone sharpener assembly that performs the sharpening function. This segmentation allows the sharpener to be detached from the chainsaw, enabling independent operation without requiring the chainsaw to remain mounted or operational.
Solution Approach 2:
The sharpening function is extracted from the chainsaw assembly and placed into a separate, portable sharpener device. This extracted sharpener can be mounted on various surfaces (workbench, vehicle, etc.) independently of the chainsaw, allowing the chainsaw to remain operational with a different chain while the dull chain is being sharpened.
2Productivity
If the saw chain remains mounted on the chainsaw during sharpening, then the bar mounted sharpener can be used, but the chainsaw cannot be used with a different sharp chain simultaneously
Solution Approach 1:
The sharpener is extracted as an independent portable device that does not require the chainsaw to be mounted or present. This allows the dull chain to be removed from the chainsaw, sharpened on a separate device, and then reinstalled or replaced with a different chain, maximizing chainsaw utilization and operational flexibility.
Solution Approach 2:
The sharpener assembly is designed with universal mounting capabilities that can attach to various surfaces (workbenches, vehicles, tripods) rather than being specific to a chainsaw bar. This universal design enables the sharpener to function independently, allowing multiple chainsaws to share the same sharpening resource and enabling continuous operation of the chainsaw with a sharp chain while another chain is being sharpened.
3Ease of manufacture
If a bar mounted sharpener is specifically adapted to mount on the chainsaw bar, then mounting is simplified, but the device cannot be used with a removed saw chain or with different mounting surfaces
Solution Approach 1:
The mounting mechanism is designed with universal adaptability, featuring adjustable clamps and attachment points that can secure the sharpener to various surfaces including chainsaw bars, workbenches, vehicle racks, and tripods. This universal mounting capability maintains ease of installation while dramatically expanding the range of usable mounting surfaces and applications.
Solution Approach 2:
The mounting system incorporates adjustable and reconfigurable components that can adapt to different surface geometries and mounting requirements. The dynamic mounting mechanism allows the sharpener to be easily repositioned and reconfigured for different applications, maintaining simplicity while providing versatility across multiple mounting scenarios.
Data Source
AI summary
A saw chain holder for sharpening a chain with a bar mounted sharpener comprises 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, an opposite second cover side surface, and a cover recess extending into the 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 both the base recess and the cover recess and is positioned over the groove.