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Browse by Category: Main > Tools & Hardware
Class Information
Number: 279/137
Name: Chucks or sockets > More than one set of gripping means
Description: A device having a plurality of distinct means (a) for making the connection so as to redundantly grip the object or (b) for gripping a plurality of objects.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8517390 Method and device for centering and clamping a workpiece in a balancing machine Aug. 27, 2013
8496255 Clamping beam Jul. 30, 2013
8424879 Connection between two tool parts Apr. 23, 2013
8366122 Rotary tool with multiple tool attachment interfaces Feb. 5, 2013
8359727 Method and device for centering and clamping a workpiece in a balancing machine Jan. 29, 2013
8262098 Rotary tool system with centering member Sep. 11, 2012
8214985 Method and apparatus for clamping rectangular parallelepipedic work Jul. 10, 2012
8172236 Bit mounting devices May. 8, 2012
8172234 Collet tool holder having adjustable axis May. 8, 2012
8152173 Clamping apparatus and method Apr. 10, 2012
8132990 Bit holding apparatus for use with a power tool Mar. 13, 2012
8123234 Chuck apparatus Feb. 28, 2012
8079790 Method for making by assembling a tool to and in a tool holder, and the tool and tool holder, and the assembled tool and tool holder Dec. 20, 2011
8061718 Toolless bitholder for spiral saws Nov. 22, 2011
8015679 Method and apparatus for clamping rectangular parallelepipedic work Sep. 13, 2011
7954824 Coupling device Jun. 7, 2011
7896590 Cutter for engagement with an arbor Mar. 1, 2011
7862050 Centering process in chucking work and apparatus therefor Jan. 4, 2011
7845428 Rotating tool Dec. 7, 2010
7784166 Coupling device Aug. 31, 2010
7708287 Staggered pressure zone collet assembly May. 4, 2010
7669860 Tool retaining or connecting device Mar. 2, 2010
7563061 Self-centering drill bit chuck Jul. 21, 2009
7543394 Exchanging device Jun. 9, 2009
7503566 Workpiece-gripping device for tool machines Mar. 17, 2009
7445214 Rotatable head for a drive motor Nov. 4, 2008
7415766 Method and apparatus for processing/machining a vehicle wheel/rim preform Aug. 26, 2008
7347807 Machine tool and method for changing tools on this machine tool Mar. 25, 2008
7334970 Fast change bit holder device Feb. 26, 2008
7258348 Machining fixture for centering and holding workpiece Aug. 21, 2007
7243923 Centering drill chuck Jul. 17, 2007
7210212 Bayonet collet pickup tool for agile fixturing May. 1, 2007
7165921 Collet chuck Jan. 23, 2007
7140819 Adjustment device for a fine machining tool Nov. 28, 2006
7044477 Chuck assembly with a cooling mechanism May. 16, 2006
7040629 Clamping device for elongated workpieces May. 9, 2006
6994000 Fixture and locator device for supporting a rotatable member Feb. 7, 2006
6974287 Tool clamping device Dec. 13, 2005
6969073 Chuck assembly with a sealing member Nov. 29, 2005
6944959 Clamping arrangement for receiving a saw blade in multiple orientations Sep. 20, 2005
6923605 Clamping device Aug. 2, 2005
6851678 Drill for smooth- and hex-shank bits Feb. 8, 2005
6840522 Method and apparatus for repairing automobile wheel Jan. 11, 2005
6722668 Chuck having quick change mechanism Apr. 20, 2004
6688610 Chuck with quick change Feb. 10, 2004
6619670 Chuck unit for automatic machine tools, designed to perform both power tasks and finishing work Sep. 16, 2003
6557860 Collet retainer May. 6, 2003
6554292 Drill chuck for smooth- and hex-shank bits Apr. 29, 2003
6533291 Chuck having quick change mechanism Mar. 18, 2003
6506143 Apparatus for finishing inside diameter of work Jan. 14, 2003

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