Tool-Free Detachable Table Extension for Tile Saw Stability

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Solution Overview

Problem

Existing table saws face instability and inefficiency when cutting large workpieces, as the primary table is often too small, leading to inaccurate cuts and increased material waste, and the addition of secondary tables with traditional fasteners complicates mounting and increases costs.

Innovation Solution

A table saw design featuring a removable secondary table that can be attached to the primary table without tools, expanding the work surface area for improved stability and accuracy, while allowing for easy attachment and detachment at multiple positions, reducing delivery and storage costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If a second table is mounted to the sides of the movable table using fasteners like screws, then the supporting area of the table is increased, but the device dimensions and delivery costs increase

Engineering Contradiction:

Improvesupporting area of tableVSAvoiddimensions of tile saw unit

Core Design Contradiction:

Area of stationary objectVSLength of stationary object

Solution Approach 1:

The table system is divided into a primary table and a secondary table that can be independently attached or removed. The secondary table is a separate component that connects to the primary table only when needed, allowing the supporting area to expand without permanently increasing the overall device dimensions.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The table configuration is made dynamic by allowing the secondary table to be attached and detached as needed. This transforms the table area from a fixed parameter to a variable one, enabling the system to adapt its supporting area based on the specific cutting task without permanently increasing device size.

Inventive Principle:

Principle #15Dynamics

2Strength

If traditional fasteners like screws and bolts are used to mount the second table, then the tables can be securely fixed, but the mounting and removing process becomes inconvenient and time consuming

Engineering Contradiction:

Improvefixing strength of table connectionVSAvoidease of mounting and removing table

Core Design Contradiction:

StrengthVSEase of operation

Solution Approach 1:

The traditional mechanical fastening system (screws and bolts requiring tools) is replaced with a snap-fit mechanism. The secondary table includes positioning protrusions that engage with corresponding recesses in the primary table, providing secure fixation through simple vertical insertion and removal without requiring tools or complex mechanical fasteners.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Manufacturing precision

If the secondary table is securely fixed to the primary table, then cutting accuracy is improved, but the ability to quickly detach and reconfigure the table is reduced

Engineering Contradiction:

Improvecutting accuracyVSAvoidtime for table configuration changes

Core Design Contradiction:

Manufacturing precisionVSLoss of time

Solution Approach 1:

The table system is segmented into modular components (primary table and secondary table) that can be independently configured. The positioning protrusions and recesses enable the secondary table to be quickly attached or detached without affecting the primary table or requiring disassembly of other components, minimizing configuration time while maintaining cutting accuracy when attached.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS8656902B2Table saw having a detachable table extension for cutting tile

Publication Date: 2014.02.25 CHERVON HK LTD WANCHAI

AI summary

A tile saw comprises a frame, a primary table moveably supported by the frame for supporting a work-piece to be cut, a water tray located under the primary table, a supporting arm mounted on the frame, and a cutting device supported by the supporting arm. The primary table also includes first and second connecting edges and a secondary table which may be removably attached, without the use of tools, to either the first or second connecting edge of the primary table. When the secondary table is attached, the supporting area for the work-piece is increased resulting in increased stability and increased cutting accuracy.