Masonry Saw Cover Assembly for Vacuum Dust Containment

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Solution Overview

Problem

Existing table saw dust collection arrangements are not versatile or easily handled, and they often require excessive water usage, which can be undesirable in certain working conditions, and they do not effectively adapt to different workpiece sizes for maximized dust collection.

Innovation Solution

A tile or masonry saw assembly with a cover assembly that includes a dust hose attachment for vacuum connection, featuring a movable cover with telescopically extendable rail sections and adjustable fastening mechanisms, allowing for easy configuration between wet and dry cutting modes and accommodating various workpiece sizes, thereby enhancing dust collection efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If a water supply is used to suppress dust, then dust containment is improved, but water consumption increases and handling becomes more difficult

Engineering Contradiction:

Improvedust containmentVSAvoidwater consumption

Core Design Contradiction:

Object-affected harmful factorsVSQuantity of substance

Solution Approach 1:

The patent extracts the dust suppression function from water and transfers it to a vacuum-based dust collection system. The vacuum arrangement with hose and nozzle captures dust at the source without requiring water, thereby maintaining dust containment effectiveness while eliminating excessive water consumption and the associated handling burden.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent employs pneumatic principles by using a vacuum (air pressure differential) to capture and remove dust particles. The vacuum arrangement creates a pressure difference that draws dust into the collection system, replacing the hydraulic (water-based) dust suppression method with a more efficient pneumatic solution.

Inventive Principle:

Principle #29Pneumatics and hydraulics

2Object-affected harmful factors

If a fixed dust collection arrangement is used, then dust containment is improved, but adaptability to different workpiece sizes is reduced

Engineering Contradiction:

Improvedust containmentVSAvoidadaptability to different workpiece sizes

Core Design Contradiction:

Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The patent implements a dynamic dust collection arrangement where the nozzle and hose can be moved and repositioned according to different workpiece sizes and cutting positions. This dynamic configuration allows the system to maintain effective dust containment across various workpiece dimensions while preserving adaptability, unlike fixed arrangements that are limited to specific configurations.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The vacuum-based dust collection system serves multiple functions: it can adapt to different workpiece sizes, work with various cutting positions, and replace both water suppression and fixed dust collection arrangements. The universal design of the movable nozzle and hose system enables it to handle diverse cutting scenarios effectively.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Stability of the object's composition

If a complex fastening mechanism is used to secure the cover assembly, then stability is improved, but ease of operation is reduced

Engineering Contradiction:

Improvestability of cover assemblyVSAvoidease of attachment and detachment

Core Design Contradiction:

Stability of the object's compositionVSEase of operation

Solution Approach 1:

The fastening mechanism is segmented into discrete, modular components that can be independently engaged and disengaged. This segmentation allows the cover assembly to be securely fastened when attached, providing stability during operation, while also enabling quick and easy detachment when needed, thus balancing stability with ease of operation.

Inventive Principle:

Principle #1Segmentation

4Object-affected harmful factors

If water is used for dust suppression, then dust containment is improved, but ease of handling and cleanup increases complexity

Engineering Contradiction:

Improvedust containmentVSAvoidease of handling and cleanup

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The patent removes the water component from the dust suppression system and replaces it with a dry vacuum-based collection method. This extraction eliminates the need for water handling, storage, and cleanup operations, thereby maintaining effective dust containment while significantly improving ease of operation and reducing operational complexity.

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentUS11498243B2Tile or masonry saw dust collection arrangement

Publication Date: 2022.11.15 HUSQVARNA AB

AI summary

The present disclosure relates to a tile or masonry saw assembly comprising a saw device (2) including a motor (5) arranged to run a saw blade (4) to cut a workpiece. The saw assembly also comprises a frame (3) that is arranged to support the saw device (2) and a workpiece support (15) operably coupled to the frame (2) to support the workpiece relative to the saw device (2). The saw assembly further comprises a cover assembly (6) with a cover (9) and a supporting structure (10). A front end (25) is arranged to face the saw blade (4) and an opposing rear end (26) where a dust hose attachment (11) is positioned and arranged to be connected to a vacuum dust collection arrangement. The supporting structure (10) comprises a base (16) that is arranged to be fastened to the workpiece support (15). The cover (9) is movable relative the base (16), and the cover assembly (6) is releasably attachable to the workpiece support (15).