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| Number | Title | Issue Date |
| 7836803 | Quick-adjust draw rod positioning nut A quick-adjust draw rod positioning nut which is attachable to a machine's chuck and/or de-chuck prime mover via a base portion. The positioning nut includes an engagement portion preferably comprising at least two segments that can be held in a collapsed position, ... | 11/23/2010 |
| 7581473 | Tool holder and machine tool equipped with the tool holder The present invention provides a tool holder interchangeably attached to a machine tool such as a combined machining lathe. A combined machining lathe 1 comprises main spindles 20 and 30 for gripping a workpiece, and a machining main spindle hea... | 09/01/2009 |
| 7000511 | Multi-station machine with rotating transfer for machining pieces The invention relates to a machining unit in which the pieces are carried by an electric turning spindle radially arranged on a turret with a vertical axis of rotation. On rotation of the turret the pieces are successively introduced into machining stations, arrange... | 02/21/2006 |
| 6272956 | Device for holding a workpiece or a bar of material to be machined A modular device for holding a workpiece or a bar of a material to be machined in a gripping chuck of a rotating spindle of a machine tool. A gripping chuck is actuated by a thrust tube coaxial with the spindle. To tighten the chuck, various forces are ex... | 08/14/2001 |
| 6212981 | Knuckle hub fixture assembly and method of using A part clamping fixture assembly for locating and holding a knuckle/hub assembly, including a knuckle, a wheel hub and a bearing, for final finishing of a flange face of the wheel hub includes a top portion, a first housing portion, and a second housing p... | 04/10/2001 |
| 6145554 | Automatic spindle making device An automatic lathe is provided including a table stand having a top with a plurality of legs coupled thereto and extending downwardly therefrom. A pair of spindle spinning assemblies are positioned on the top of the table stand. Each spindle spinning asse... | 11/14/2000 |
| 5918515 | Lathe reference stop and combination tool A reference stop for use in a lathe having a movable chuck and a draw tube adjacent to the chuck. A movable backstop is provided for rectilinear movement within a sleeve. The sleeve is inserted through the chuck of the lathe and extends into the draw tube... | 07/06/1999 |
| 5772219 | Collet stop A clamping collet of the type used in spindle lathes is provided having a stop mechanism to effect accurate positioning of the workpiece. The stop mechanism includes a rod that is reasonably held in position by a locking collet.... | 06/30/1998 |
| 5676031 | Apparatus for detecting stock An apparatus for detecting stock includes a stock forming machine (10), a stock feeder which feeds stock into the stock forming machine, and a stock detector (32). The stock detector includes a housing (34), which includes a bore (42). The housing further... | 10/14/1997 |
| 5649460 | Quick-change spindle liner assembly A spindle liner and spindle liner assembly are for use in a lathe. A quick-change feature allows the spindle liner to be readily installed and readily replaced with a new spindle liner. The spindle liner has a tubular sleeve with a set of annular bearing ... | 07/22/1997 |
| 5465638 | Push-type collet and seat assembly A push-type collet and seat assembly has a push-type collet including an elongated cylindrical body having a rear end portion, a front end portion tapering inwardly towards a front end thereof, an opening extending longitudinally through the collet, and s... | 11/14/1995 |
| 5251918 | Three jaw chuck stop system In a three jaw chuck the traditional chip guard is replaced by a stop guard having internal threads. An extension tube is threaded to the stop guard forming an adjustable length cylinder. An idler is optionally mounted inside the extension tube(s) to stab... | 10/12/1993 |
| 5133566 | Collet activated spindle work stop A spindle work stop including a collet having an externally threaded rear end portion with an external groove extending longitudinally therethrough and a slotted outwardly tapered front end portion, where an opening extends longitudinally through the coll... | 07/28/1992 |
| 4971339 | Collet type work driver A collet type work driver for holding and driving a workpiece which is located between work centers upon a grinder, lathe or similar machinery, is disclosed. The work driver includes a unique free-floating collet package which rotates essentially free fro... | 11/20/1990 |
| 4552370 | Set of workpiece stops for workpiece clamping collet Disclosed is a workpiece collet mountable in a lathe spindle provided with a master stem on which any one of a set of workpiece stops may be mounted and which stem includes a support readily assembled to the collet repeatedly in a predetermined position. ... | 11/12/1985 |
| 4057259 | Collet stop and chuck assembly A simple inexpensive adapter and drill chuck to support a stop pin axially aligned in a collet chuck.... | 11/08/1977 |
