Adjustable Protective Hood for Saw Blades
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Solution Overview
Problem
Existing protective hoods for saw blades in modern sawing machines, especially sliding table saws, have a rigid design that hinders the sawing process and requires multiple hood sizes for different sawing jobs and blade positions, leading to inefficiencies and storage challenges.
Innovation Solution
A variable and adjustable protective hood with a multi-part hood body and carrier system, allowing for customizable interior width adjustments to match various saw blade positions and diameters, and a safety device for operational safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the protective hood has a large width to cover pivoted saw blade positions, then the saw blade can be covered in all positions, but the hood hinders workpiece guidance and complicates the sawing process
Solution Approach 1:
The protective hood is designed with adjustable width through movable side walls that can be positioned at different angles relative to the central axis. This allows the hood to dynamically adapt its interior width to match the specific saw blade position being used, rather than maintaining a fixed large width that hinders operation.
Solution Approach 2:
The hood body is divided into a central section and adjustable side sections. The side sections can be independently positioned to create different interior widths, allowing the hood to be segmented and reconfigured based on the operational requirements for different saw blade positions.
2Adaptability or versatility
If multiple protective hoods of different widths are kept ready, then different sawing jobs can be accommodated, but storage space and device complexity increase
Solution Approach 1:
A single protective hood design incorporates the capability to perform multiple functions by adjusting its side wall positions. Instead of requiring separate hoods for different sawing scenarios, this universal design allows one hood to adapt to various interior width requirements through its adjustable configuration.
Solution Approach 2:
The hood transitions from a static, fixed-width design to a dynamic, adjustable-width design. The side walls can be moved and locked at different positions, enabling the same hood to serve multiple purposes for different saw blade diameters and positions without requiring multiple separate hoods.
3Ease of manufacture
If the protective hood has a rigid shape, then manufacturing is simplified, but the hood cannot be adapted to different sawing requirements
Solution Approach 1:
The hood is manufactured as separate modular components (central body and side sections) that can be produced using standard manufacturing processes. These segments are then assembled in different configurations to create the required interior widths, maintaining manufacturing simplicity while enabling adaptability.
Solution Approach 2:
The design introduces adjustability mechanisms (such as movable side walls with positioning features) into the hood structure. These mechanisms allow the hood to change its configuration from a rigid fixed shape to an adaptable form that can be adjusted for different saw blade positions and diameters.
Data Source
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AI summary
The protective hood (5) comprises an interior area (10), which has a variable shape and is adjustable in its width (w). The protective hood comprises a carrier (7) and a shape variable hood body (8), which are detachably connected. The hood body is mounted at the carrier in different alignments. An independent claim is also included for a sawing machine comprises saw blades and a protective hood.