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Class Information
Number: 433/135
Name: Dentistry > Apparatus > Having motor or means to transmit motion from motor to tool (e.g., "engine") > Arbor > Screw actuated clamp for apertured tool bit
Description: Apparatus wherein the second portion adapted to releasably hold a tool bit includes helically ribbed means adapted to be inserted through an opening in the tool bit and rotated to secure the tool bit to the arbor.

Patents under this class:

Patent Number Title Of Patent Date Issued
7706657 Fiber optic parking dust cover Apr. 27, 2010

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