Portable Table Saw Support Arms for Tilting Stability
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Solution Overview
Problem
Transportable processing units, such as circular table saws, face challenges in operational reliability due to instability during use, which affects safety and efficiency, while also requiring easy transport and handling.
Innovation Solution
The design incorporates support arms that can be pivoted or displaced to increase the footprint in the working position, enhancing stability and safety, while maintaining compactness for transport, with a safety device ensuring the unit can only be operated when in the stable working position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the support structure uses a compact base design for transport, then transportability and handling are improved, but tilting stability during operation deteriorates
Solution Approach 1:
The support structure incorporates movable support arms that can dynamically change position between a retracted state for transport and an extended state for operation. This dynamic configuration allows the same structure to optimize for both transportability and operational stability depending on the working mode
Solution Approach 2:
The support arms extend in the horizontal plane rather than vertically, increasing the footprint area without increasing the vertical height. This dimensional approach enlarges the base for stability while maintaining a compact vertical profile for easy transport
2Stability of the object's composition
If the footprint is enlarged to improve stability during operation, then tilting stability is improved, but transportability and handling deteriorate
Solution Approach 1:
The support arms are designed to be movable rather than fixed, allowing the footprint to be dynamically adjusted. During transport, the arms are retracted to minimize the footprint, while during operation, they extend to maximize stability
Solution Approach 2:
The base is segmented into a central support structure and movable support arms. This segmentation allows the main body to remain compact for transport while the arms can be independently positioned to provide stability during operation
Data Source
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AI summary
The invention relates to a transportable machining unit (10), in particular a table circular saw, for machining a workpiece with a tool (1), comprising a box-shaped support structure (2) that can be placed on a base and has a workpiece support plate (4) that can be used to place the workpiece to be machined on it, and a drive device (73) for the mechanical drive of the tool (1), wherein the support structure (2) has support arms (5) which, in a state in which the support structure (2) is placed on the base, define a base surface of the support structure (2) and which can be positioned either in a transport position or in a working position, wherein the base surface of the support structure (2) is larger in at least one horizontal direction in the working position than in the transport position.The portable processing device (10) includes a safety device (72) designed to prevent the drive device (73) from being supplied with power if at least one of the support arms (5) is not in the working position.