Blade fastening device having a waterproof arrangement
Abstract:
A blade fastening device is provided with a hollow clamping member including an axial channel for disposing a portion of a blade therein, and at least one slit formed on a peripheral surface so that the hollow clamping member is configured to be flexibly compressible; and a cylindrical extension formed with a first end of the hollow clamping member. The blade fastening device is capable of preventing cutting fluid from leaking, guiding cutting fluid to a cutting site, and fastening a blade so that a deflection of the blade is made impossible.
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