Power Tool Clamping Mechanism Slide Actuator
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Solution Overview
Problem
Existing hand-held power tools require awkward tool changing operations, often necessitating separate accessories and involving complex actuating mechanisms located away from the tool spindle, leading to increased effort and potential loss of accessories.
Innovation Solution
A hand-held power tool design with a clamping mechanism featuring an actuating element configured as a slide, positioned closer to the tool spindle, allowing axial movement between clamping and release positions, eliminating the need to 'turn over' the tool during changing and optimizing ergonomic access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the actuating mechanism is positioned closer to the tool-side end, then ergonomic access is improved, but the design complexity of the tool spindle increases
Solution Approach 1:
The actuating mechanism is integrated into the tool spindle structure itself, with the actuating element disposed within or on the tool spindle. This nesting approach allows the mechanism to be positioned close to the tool-side end for ergonomic access while maintaining a compact design that does not significantly increase overall complexity.
Solution Approach 2:
The actuating mechanism is merged with the tool spindle assembly, combining the clamping function with the spindle structure. This integration allows the actuating element to be positioned close to the tool-side end while using the existing spindle components, thereby improving ergonomic access without proportionally increasing design complexity.
2Device complexity
If separate accessories are used for tool changing, then the clamping mechanism can be simpler, but accessories can be lost or left behind increasing time required for tool changing
Solution Approach 1:
The clamping mechanism is designed to be self-contained and self-operating, with the actuating element integrated into the tool itself. This eliminates the need for separate external accessories like wrenches or screwdrivers, allowing the user to perform tool changing using only the tool's own mechanism, thereby preventing loss of accessories and reducing tool changing time.
Solution Approach 2:
The clamping function and actuating mechanism are merged into a single integrated system that is part of the tool itself. This combination eliminates the need for separate accessories, ensuring that all necessary components are always available on the tool, thereby preventing loss and reducing the time required for tool changing operations.
Data Source
AI summary
The invention discloses a hand-held power tool including a housing with a spindle head. A tool spindle can be driven in rotary oscillation about its longitudinal axis and, at its tool-side end, is configured to carry a tool. The tool spindle has a clamping mechanism, which is configured to move a positioning element between a clamping position, in which a tool that is to be carried can be fixed to the tool spindle, and a release position, in which the tool can be released. The clamping mechanism has an actuating mechanism having an actuating element configured as a slide having an engaging surface for axially moving the positioning element to move the clamping mechanism between the clamping and the release positions when the actuating element is moved.