http://www.freshpatents.com/Chucks-or-sockets-dtnewntc279.php USPTO Class 279 - Chucks or sockets en-us Mon, 23 Jan 2012 13:30:37 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20120119ptan20120013080.php Mon, 23 Jan 2012 13:30:37 -0800 A hydraulic chuck assembly for a tool machine includes first and second valve units disposed to control flow of pressurized fluids into a cylindrical chamber so as to move an annular piston to thereby move a taper socket along a spindle axis. Each valve unit includes a ball movable along... http://www.freshpatents.com/-dt20120119ptan20120013081.php Mon, 23 Jan 2012 13:30:37 -0800 A clamping and releasing mechanism includes a clamping and releasing assembly and a control member configured for effecting operation of the assembly. The assembly includes a collet, a biasing member, a rod member, and a retainer affixed to the rod member such that movement of the rod member relative to...