Featured patents

Adapter for a Power Tool
US 08844939 B2, Sept. 30, 2014, Angularly Adjustable or Indexing, Johannes Hoeppner et al. / C. & E. Fein GmbH DE
A power tool comprising an output shaft that can be driven rotatingly,…

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:…

Self-Locking Internal Adapter With Free Guide Mechanism
US 08764025 B1, July 1, 2014, Ball or roller, Hua Gao / Bradshaw Medical, Inc. (Kenosha, US)
An orthopedic tool apparatus comprised of:…

Positive Release Collet
US 08684364 B2, April 1, 2014, Fixed jaws and moving cam, Sil Han
An arbor of a machine tool comprising:…

Wafer Flattening Apparatus and Method
US 08695990 B2, April 15, 2014, Vacuum, Bojko Vodanovic et al. / Nidec-Read Corporation (Ukyo-Ku, Kyoto, JP)
An apparatus for securing a substantially circular wafer having a wafer radius…

Locking Chuck
US 08616561 B2, Dec. 31, 2013, Conical sleeve, Neil Mason / Apex Brands, Inc. (Sparks, US)
A chuck for use with a manual or powered driver having a rotatable drive…

Bit Retention Device
US 08622401 B2, Jan. 7, 2014, Ball or roller, Daniel Puzio et al. / Black & Decker Inc. (Newark, US)
A bit retention device, comprising:…

Chuck With Jaws Moved Radially Outwardly for Clamping
US 08608180 B2, Dec. 17, 2013, Expanding jaws via mechanical connection, Karlheinz Timtner et al. / Schenck RoTec GmbH (Darmstadt, DE)
A chuck having chuck casing with an axis and jaws moved radially outwardly…

Hydraulic Chuck Assembly
US 08517391 B2, Aug. 27, 2013, Moving cam and fixed jaws, Hsuan-Lung Wu
A hydraulic chuck assembly comprising:…

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