Rotatable Depth Stop for Oscillating Tool
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Solution Overview
Problem
Existing depth stops for oscillating tools are inflexible, requiring frequent adjustment and limiting tool movement, especially in cramped spaces, and do not allow for relative rotation between the tool and depth stop, leading to increased saw blade temperature and difficulty in converting between cranked and straight saw blades.
Innovation Solution
A depth stop system that allows relative rotation between the tool and depth stop about the saw blade axis, with a spacer and holding device that can be fixed or movable, enabling adaptation to different spatial conditions and blade types, and a guide rail system for precise alignment of saw blades.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the depth stop is firmly connected to the tool, then the depth setting is fixed and stable, but the tool cannot be moved or rotated during processing, leading to increased saw blade temperature
Solution Approach 1:
The connection between the depth stop and tool is made dynamic rather than static. The fastening part can be set in a first state (firmly connected) or a second state (movable/rotatable), allowing the system to adapt its degree of freedom based on operational requirements. This resolves the contradiction by enabling both stable depth setting and tool movement freedom at different times.
2Reliability
If the depth stop is firmly connected to the tool, then the depth setting is maintained, but frequent loosening and re-fixing is required in cramped workplaces, making processing difficult
Solution Approach 1:
The dynamic connection mechanism allows the operator to quickly switch between firmly connected and movable states without complete disassembly. This maintains depth setting reliability while enabling rapid adaptation to cramped workplace conditions, thereby improving processing efficiency.
Solution Approach 2:
The depth stop system is segmented into separable components (depth stop, holding device, fastening part) that can be independently positioned and connected. This segmentation allows for quick reconfiguration in cramped spaces while maintaining the depth setting when needed, resolving the productivity contradiction.
3Reliability
If a fixed connection between tool and depth stop is used, then the depth stop provides stable positioning, but conversion between cranked and straight saw blades requires time-consuming readjustment of the stop
Solution Approach 1:
The dynamic connection allows the depth stop to be quickly repositioned or reoriented when converting between blade types, then firmly secured for stable operation. This eliminates time-consuming readjustment while maintaining positioning stability during actual machining.
Solution Approach 2:
The depth stop system is designed with universal adaptability to work with both cranked and straight saw blades. The holding device and fastening part can accommodate different blade configurations without requiring complete readjustment, reducing conversion time while maintaining reliable positioning.
Data Source
AI summary
The description shows a depth stop 16 for an oscillating tool 1, wherein a saw blade can be clamped into the tool 1 for machining a workpiece, wherein the depth stop 16 has: a spacer 2 for setting a penetration depth of the saw blade into the workpiece, a holding device 9 on which the spacer 2 can be fixed and a fastening part 5 on which the holding device 9 can be mounted, wherein the fastening part 5 can be fixedly connected to or is fixedly connected to the tool 1, wherein in a first state the fastening part 5 is immovable relative to the holding device 9 and wherein in a second state the fastening part 5 is rotatable or movable relative to the holding device 9 at least about or along an axis of movement 21.