CLAMPING DEVICE AND MACHINE TOOL
DE502018016598D1Active Publication Date: 2026-06-11HILTI AG
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- HILTI AG
- Filing Date
- 2018-10-16
- Publication Date
- 2026-06-11
AI Technical Summary
Technical Problem
Existing clamping devices for tool discs in hand-held power tools are prone to self-loosening during operation, leading to potential detachment of the tool disc.
Method used
A clamping device with a screw mounted in a coupling module that is positively locked and rotationally secured to the drive spindle, featuring a disc spring to seal a grease chamber and axially preload a hand knob, and a rolling bearing to enhance clamping force and prevent unintentional loosening.
Benefits of technology
The clamping device effectively prevents tightening or loosening during operation by ensuring a secure, rotationally fixed connection between the coupling module and drive spindle, enhancing handling ease and clamping force without requiring additional tools.
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