Stackable Sawing Unit With Vertical Transport Orientation

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Solution Overview

Problem

Conventional sawing devices are limited in transport and flexibility due to their design, which restricts the length of the workpiece support to the horizontal dimensions of system boxes, making them less versatile and difficult to stack and transport efficiently.

Innovation Solution

The sawing device is designed with a coupling interface for a detachable, vertically tensile coupling with system boxes, allowing it to assume a transport orientation with a vertically aligned workpiece support, enabling longer workpiece supports and easier stacking and transportation while maintaining compatibility with standard system boxes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of stationary object

If the sawing device is designed with a horizontally aligned workpiece support for working orientation, then the workpiece support length is limited by the horizontal dimensions of the system box, but the device can be easily stacked and transported

Engineering Contradiction:
Improveworkpiece support lengthVSAvoidtransport and stacking capability
Core Design Contradiction:
Length of stationary objectVSAdaptability or versatility

Solution Approach 1:

The patent applies dimensionality change by rotating the sawing device 90 degrees around its longitudinal axis, transforming the workpiece support from horizontal to vertical orientation. This allows the workpiece support length to extend beyond the horizontal dimensions of the system box while maintaining compact stacking capability through vertical alignment during transport

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Adaptability or versatility

If the sawing device is designed with a longer workpiece support, then the versatility and usability are improved, but the device becomes more difficult to transport and stack

Engineering Contradiction:
Improveworkpiece support capabilityVSAvoidtransport and stacking ease
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

By reorienting the workpiece support from horizontal to vertical through a 90-degree rotation, the patent enables longer workpiece supports to be accommodated within the same system box footprint. The vertical orientation during transport and stacking eliminates the space constraint imposed by horizontal dimensions, thus maintaining ease of operation while improving versatility

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Length of stationary object

If the sawing device is designed to be housed in the vertical stack in transport orientation, then the workpiece support can be longer than system box dimensions, but the coupling interface must accommodate vertical tensile forces

Engineering Contradiction:
Improveworkpiece support lengthVSAvoidcoupling interface complexity
Core Design Contradiction:
Length of stationary objectVSDevice complexity

Solution Approach 1:

The coupling interface is designed with universal compatibility to work with standard system boxes while specifically accommodating vertical tensile forces in transport orientation. The interface integrates multiple functions: mechanical attachment, force transmission in vertical direction, and compatibility with standardized system boxes, thereby enabling longer workpiece supports without proportionally increasing complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP4230333A1Sawing device, stack arrangement, cover arrangement, transport arrangement and method
Publication Date: 2023.08.23 FESTOOL GMBH

AI summary

The invention relates to a sawing device (10), in particular a table circular saw or a miter saw, comprising a sawing unit (20) with a saw blade (1) and a support structure (2) which can be placed on a base with its underside (3) and has a workpiece support (4) on which a workpiece (6) can be placed while it is being sawn with the sawing device (10), wherein the sawing device (10) has a coupling interface (5) via which a detachable, vertically tensile coupling with at least one system box (30) can be established in order to form a vertical stack together with the at least one system box (30), such that the sawing device (10) assumes a transport orientation in the vertical stack in which the workpiece support (4) is vertically aligned with its support plane.