Featured patents

Dual Size Tool-Bit Holder
US 08844940 B2, Sept. 30, 2014, Ball or roller, James L. Wienhold / Insty-Bit, LLC (Minneapolis, US)
A tool-bit holder for varying tool-bit shank profiles, the tool-bit holder…

Stepped Collet
US 08800997 B1, Aug. 12, 2014, Collet type, John V. Bartolone et al. / Hydra-Lock Corporation (Mt. Clemens, US)
A collet composing:…

Bit Retention Device
US 08800999 B2, Aug. 12, 2014, Ball or roller jaws, Robert G. Kusmierski et al. / Black & Decker Inc. (Newark, US)
A bit retention device, comprising:…

Device for Centering Wafers
US 08764026 B2, July 1, 2014, Pivoted Jaw, Dennis Patricio et al. / Suss Microtec Lithography, GmbH (Garching, DE)
A device for centering circular wafers, comprising:…

Force Increasing Self-Locking Drill Chuck and Self-Locking Mechanism Thereof
US 08740227 B2, June 3, 2014, Conical sleeve, Zexin Zhou et al. / Shandong Weida Machinery Co., Ltd. (Wendeng, Shandong Province, CN)
A drill chuck, characterized in comprising,…

Quick-Release Bit Adapter
US 08720909 B2, May 13, 2014, With Magnetic or Electrostatic Means, Bobby Hu
A quick-release bit adapter comprising:…

Chuck With Sleeve Having Metal Insert
US 08641048 B2, Feb. 4, 2014, Conical sleeve, Stuart E. Garber et al. / Black & Decker Inc. (Newark, US)
A chuck for a power driver having a rotatable drive shaft, the chuck comprising…

Chuck Mechanism of Striking Tool
US 08590905 B2, Nov. 26, 2013, Spreading elements, Yoshihiro Kasuya et al. / Makita Corporation (Anjo, JP)
A chuck mechanism of a striking tool, comprising:…

Tool Bit Holder
US 08550471 B2, Oct. 8, 2013, Ball or roller, Ping-Wen Huang / New Way Tools Co., Ltd. (Taichung, TW)
A tool bit holder for receiving a tool bit, with the tool bit including…

Apparatus to Secure a Cylindrical Object for Laser Processing
US 08523190 B2, Sept. 3, 2013, Angularly Adjustable or Indexing, Gunther Friedmann et al. / Carl Baasel Lasertechnik GmbH & Co (Starnberg, DE)
A device for holding an essentially cylindrical work piece, for machining…

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