Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8156849 | Work head A work head adapted to support at least one elongate work piece, said work head having a first drive shaft capable of rotation about a central axis, said work pieces being supported from the work head at a position spaced radially from the central axis such that the... | 04/17/2012 |
| 8146466 | Carving vise 1) The carving vise holds an article to be carved at optimal positions for ease of carving. Its design reduces carvers fatigue; damage to the carving article while being held; and the likelihood of carving injuries. It also greatly improves the carvers carving effic... | 04/03/2012 |
| 7398717 | CNC central cutting and turning machine The present invention provides a CNC central cutting and turning machine includes a holding head, wherein the rear end of the holding head has a holder, which can turn, mounted thereon, and the holder has at least three claws mounted thereon for jointly holding an o... | 07/15/2008 |
| 7316173 | Tilt away tailstock attachment for lathes Woodturners who make bowls frequently find that the unoccupied tailstock limits the path of the tool handle. The normal solution is to manually remove the tailstock from the lathe and set it on the floor or a work bench. Tailstocks can be heavy and manual removal an... | 01/08/2008 |
| 7302877 | Automatic lathe-loader provided with linear sensors of the position of the bar-pusher and automatic lathe including said loader An automatic bar-loader for lathes including a channel for feeding of a bar to the lathe mandrel and a bar-pusher powered by an electric motor controlled by a control unit and having a head collet for grasping the tail of a bar in the channel to make it run therein.... | 12/04/2007 |
| 7278192 | Lathe for machining optical workpieces A lathe for machining optical workpieces, in particular spectacle lenses, comprises a fast tool arrangement and a workpiece spindle arrangement. A machine frame is cast monolithically from polymer concrete and on and in which all the functional surfaces, functional ... | 10/09/2007 |
| 7243584 | Mask for a wheel lathe chuck that prevents whip chip A protective cover that is shaped as a mirror image of a portion of a wheel surface is attached to a support plate of a wheel lathe chuck assembly to protect the portion of the vehicle wheel surface during machining. ... | 07/17/2007 |
| 7204004 | Machine tool To provide a machine tool in which a workpiece can be delivered to/from a first and a second spindle headstock without any increase in front/back direction dimension of a machine main body. A second spindle headstock 4 is capable of moving to a position for w... | 04/17/2007 |
| 7185573 | Vacuum wheel chuck A wheel chuck assembly includes a support plate having at least one aperture formed therethrough. The support plate is adapted to be mounted upon a lathe spindle. An air conveying device is mounted adjacent to the support plate and is operable to induce an air flow ... | 03/06/2007 |
| 7165483 | Apparatus and method for clamping and positioning workpieces of different length between two centers In an apparatus (10) for clamping and positioning workpieces (36) of different length between two centers (26,28), comprising a base (14) with at least one linear guide (18), a first carriage (20) displaceable in a linearly ... | 01/23/2007 |
| 7155788 | C-axis driving device of a computer numerical controlled lathing and milling machine A C-axis driving device of a computer numerical controlled (CNC) lathing and milling machine includes a spindle, an encoder, a spindle motor, and a servo motor. The spindle has a clamping device and a transmission portion. This encoder connects with the transmission... | 01/02/2007 |
| 7104169 | Machine tool and bed structure thereof A machine tool includes X-axis, Y-axis, and Z-axis moving units for producing relative movements between a tool and a workpiece; a C-axis drive unit for rotating the workpiece about a C-axis parallel to the Z-axis; and a B-axis turning unit for turning the tool abou... | 09/12/2006 |
| 7080433 | Workpiece seat for bar-shaped workpieces A workpiece seat for the machining of bar-shaped workpieces by milling and turning. The workpiece seat has an elongated housing, a spindle rotatably supported in the housing, and an electric direct drive for the spindle. The drive rotor is fixed on the spindle and t... | 07/25/2006 |
| 7039992 | Lathe A lathe 1 comprises a bed 5, a headstock 10 having a housing 13 and a support base 14, a main spindle 11, a first tool rest 44, and a second tool rest 50. The support base 14 is formed so as to have a co... | 05/09/2006 |
| 7021183 | Drive housing for machine tool drives In order to provide a drive housing for machine tool drives which offers the possibility, with simple production technology, of not being subject to any restrictions whatsoever with respect to the recess to be provided, it is suggested that this have a plurality of ... | 04/04/2006 |
| 7011002 | Lathe apparatus The lathe provided in accordance with the invention is designed to address the needs of today's bowl and spindle turners. In an exemplary embodiment, the lathe of the invention comes equipped with a 2 hp DC BALDOR motor and a state-of-the-art 3 hp MINARIK pulse-widt... | 03/14/2006 |
| 6949056 | Machine tool An improved machine tool having a support structure (16), a spindle (18) rotatably supported by the structure, the spindle adapted for engagement with a workpiece (56), the spindle operatively arranged to selectively rotate in an annular A-axis ... | 09/27/2005 |
| 6918327 | Actuator for workpiece holding device A power chucking system 10 comprises a chuck mounted on a headstock, the chuck with its jaws being caused to rotate by rotation or the machine spindle 6. The spindle 6 may be engaged with the pulley 1 in order to rotate a work piece retai... | 07/19/2005 |
| 6915726 | Wood-turning lathe A wood-turning lathe includes a spindle and a drive shaft journalled to a headstock housing. A motor is mounted in the headstock housing, and includes a rotor. A torque converter includes a first wheel that co-axially surrounds the spindle and that is securely coupl... | 07/12/2005 |
| 6892613 | Machine tool A machine tool that comprises a fixed bed, a pair of tool posts mounted on the fixed bed on a side closer to an operator and a carriage mounted on each of the tool posts is disclosed. A headstock is provided on a side of the fixed bed farther from the operator so th... | 05/17/2005 |
| 6877407 | Machine tool A machine tool such as an NC lathe having a machine body is disclosed. The machine tool comprises a fixed bed, a machine body having a carriage with a tool post mounted thereon is provided on one side of the fixed bed nearer to an operator, and a headstock for loadi... | 04/12/2005 |
| 6848348 | Wood lathe with a cooling fan A wood lathe includes a bed, a headstock mounted on the bed and having a headstock housing, a motor mounted in the headstock housing and having a driving shaft with opposite first and second output ends, a spindle journalled to the headstock housing, a first transmi... | 02/01/2005 |
| 6772660 | Means for directly coupling main motor shaft to working machine Disclosed herein is means for directly coupling a main motor shaft to a working machine with a coupling head as an intermediate component. The machine unit assembled according to the present invention does not require rechecking of dimensional deviations after compl... | 08/10/2004 |
| 6640677 | Machine tool A machine tool which can avoid interference between a tool post body and a second headstock without increasing the size of a fixed bed or decreasing the structural support rigidity is disclosed. Specifically, a combined-machining lathe comprises a first h... | 11/04/2003 |
| 6626058 | C-axis driving system for machine tools A C-axis driving system for machine tools is disclosed that comprises a worm wheel mounted on a spindle that is rotatably supported by a headstock. The C-axis driving system also includes a worm shaft with a worm formed therein directed perpendicular to a... | 09/30/2003 |
| 6609448 | Headstock guide unit for a machine tool A machine tool comprises a fixed bed; a carriage with a tool post mounted thereon is provided on the fixed bed on one side; and a headstock is provided on another side so that the headstock is connected to a headstock base and is movable between a workpie... | 08/26/2003 |
| 6578455 | Wood lathe with an output shaft and an output shaft-driving source that are disposed respectively on two ends of a table A wood lathe includes first and second seats disposed respectively and fixedly on two ends of a table. A first driving device includes a motor disposed on the second seat, an outer tube fixed between the first and second seats, and a rotating inner rod jo... | 06/17/2003 |
| 6557444 | Wood lathe with a stepless speed-adjusting unit for a workpiece A wood lathe includes a driving pulley unit disposed around a rotating inner rod, a driven pulley unit disposed around an output shaft that is used to rotate a workpiece, a V-belt unit trained on the driving and driven pulley units, and a speed-adjusting ... | 05/06/2003 |
| 6527279 | Integrated powered lathe chuck An integrated power chuck assembly for a lathe has a hollow lathe spindle of a diameter sufficient to accommodate at least the actuating cylinder and a multiple medium feed device and preferably at least part of the stroke-control device which can include... | 03/04/2003 |
| 6510770 | Wood-turning lathe A wood-turning lathe includes a driven shaft mounted with a pulley unit having a plurality of angularly spaced retaining holes, a spring-biased pin and a cam member associated with both the pin and the pulley unit. When the cam member is moved to a lockin... | 01/28/2003 |
| 6332386 | Transmission mechanism for spindle head of five-axis machine tool A transmission mechanism for spindle head of five-axis machine tool comprises three axes which are driven simultaneously. The transmission mechanism comprises a spindle transmission unit, a B-axis transmission unit and a C-axis transmission unit, and each... | 12/25/2001 |
| 6279438 | Metal cutting machining device, with massive block and sliding column and machine integrating this device A device for machining a part by metal cutting comprising a massive block in a bore of which is located a sliding column guided in a front bearing and a rear bearing, at least the front bearing and the section of the column sliding therein being continuou... | 08/28/2001 |
| 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 |
| 6178856 | Lathes The present invention therefore provides in one aspect a lathe including: a headstock comprising a lathe spindle; a tailstock; and a lathe bed wherein the lathe bed is mounted to be rotatable in a horizontal plane about a vertical axis. In a second aspect of the in... | 01/30/2001 |
| 6173630 | Working machine for machining a workpiece A working machine for machining a workpiece includes a base having a first track and a second track mounted therein and arranged in parallel with each other, at least one clamping device slidably mounted in the first track for clamping the workpiece, and ... | 01/16/2001 |
| 6139028 | Electric chuck for machine tool and method of opening or closing gripping pawl of same The present invention relates to an electrically driven chuck for holding a chuck of a machine tool, wherein an electrically driven chuck which has no need of any driving means to be exclusively used for a holding chuck, very simplified, and freely adjust... | 10/31/2000 |
| 6082235 | Device for the machining of tube ends There is proposed an apparatus for machining pipe ends having a motor, a gearing assembly, and a clamping means for clamping a pipe end to be machined on the apparatus, the apparatus having a hollow rod, a tool support with a tool holder, characterized by... | 07/04/2000 |
| 6026720 | Cue servicing and repair apparatus An apparatus for servicing and repairing cues including a collet mounted to a rotation member and having a collet body defining a passage including a generally conical surface, at least two collet jaws formed of a flexible resilient material and slidably ... | 02/22/2000 |
| 5927169 | Lathe draw tube adaptor A draw tube adaptor for insertion into the draw tube of a lathe. The draw tube adaptor includes a sleeve, and carried within the sleeve are a series of bushings spaced apart from one another. The bushings have bores sized to accommodate the diameter of th... | 07/27/1999 |
| 5878638 | Positioning device for a driving shaft of a lathe chuck A positioning device for a driving shaft of a lathe chuck includes a casing, a motor received in the casing with a driving shaft of the motor extending through a first end and a second end of the casing, and a disk disposed to the first end of the casing ... | 03/09/1999 |
