Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8136432 | Closed-loop CNC machine system and method A closed-loop feedback system and method for performing a machining operation. A tool's operational properties are measured in real-time. The operating parameters of the machining process are adjusted in real-time based on the measured properties. ... | 03/20/2012 |
| 8056453 | Fast tool servo A fast tool arrangement, in particular for lathes for machining optical workpieces, has a carriage, which for linear reciprocating movements is guided in a housing on bearing elements stationary in relation to the housing, and which at its outer end carries a holder... | 11/15/2011 |
| 8047106 | Wood working lathe A wood working lathe includes a granite lathe bed including a guiding rail extending thereon longitudinally and an opening vertically formed through an end thereof, with the opening in communication with the guiding rail. A driving unit is installed to the lathe bed... | 11/01/2011 |
| 7958805 | Threading device on a numerically controlled lathe A piece-threading device on a numerically controlled lathe comprises a supporting assembly having an inner rotatively driven body which, on a side thereof facing a workpiece to be threaded, comprises a plurality of threading tools, the rotatively driven body having ... | 06/14/2011 |
| 7743689 | Turning center The invention relates to a turning center which comprises a machine frame, a first workpiece spindle unit having a first workpiece spindle, a second workpiece spindle unit, which is disposed on the machine frame and having a second workpiece spindle, at least one to... | 06/29/2010 |
| 7717019 | Lathe The present invention provides a lathe which accumulates a reduced amount of chips on a slide member serving as a tool holder mounting base and which enables a reduction in the forward-backward dimension of the entire lathe. A lathe includes a spindle 2 that ... | 05/18/2010 |
| 7555973 | Automatic lathe An automatic lathe is capable of rapidly and easily switching between machining of a material with a guide bush and machining of the material without the guide bush. The automatic lathe has a guide bush support table, a support table fixing device for fixing the gui... | 07/07/2009 |
| 7464628 | Automatic lathe An automatic lathe is provided which is capable of rapidly and easily switching between machining of a material with a guide bush and machining of the material without the guide bush. The automatic lathe has a head stock (6) and a guide bush support table ( | 12/16/2008 |
| 7464629 | Lathe tool A one-piece lathe tool for boring with a cross-section of less than 10 mm, includes an essentially-cylindrical tool body intended to be inserted and held in a tool support which is traversed by at least one lubricant supply channel. One end of the tool body extends ... | 12/16/2008 |
| 7434499 | Fixing mechanism of a lathe A lathe includes a stock, a shaft, a power source, gripping bars, and a platform; the stock has a shaft seat secured therein, which has a hollow holding portion, and an inner protrusion; the shaft is passed in the shaft seat in a movable manner, and has a head havin... | 10/14/2008 |
| 7412759 | Telescopic safety shield for machine tool A telescopic safety shield device includes a carrier movably engaged onto a platform and having one or more guideways tilted relative to the platform, a tool rest movably engaged onto the guideways and moveable inclinedly relative to the carrier and the platform, an... | 08/19/2008 |
| 7347130 | Apparatus and method for cutting spinal implants An apparatus and method for cutting spinal implants to a desired length is disclosed. The spinal implant is supported on a mandrel that rotates while a cutting blade cuts the spinal implant. The apparatus and method accurately size and cut spinal implants to the des... | 03/25/2008 |
| 7331099 | Machine tool and method for the correction or compensation of different tool lengths in a machine tool In order to provide a machine tool with at least one movable slide, which has a plurality of holders for tools and/or workpieces, and which can be corrected in a simple manner, the at least one slide has a plurality of separate subslides and the relative position of... | 02/19/2008 |
| 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 |
| 7281460 | Positive lock tail stock support for lathe The present invention generally relates to the field of woodworking tools and particularly to an indexing assembly for a lathe. An aspect of the present invention is directed to a lathe, including a frame; a bed coupled with the frame; a head stock configured for me... | 10/16/2007 |
| 7275460 | Rotary indexing machine for use in a group of treatment stations A rotary indexing device for use in a group of treatment stations, includes at least one respective tensioning device for exchangeable tool holders disposed in a treatment zone. The rotary indexing machine has a rotary indexing unit with a lift-and-turn device on wh... | 10/02/2007 |
| 7272877 | Adjustment method and apparatus for a boring tool Method and apparatus for adjusting the position of a cutting tool. In one embodiment, a boring tool includes a coupling member which is driven by a CNC boring machine, and a sliding tool holder which is slidably coupled to the coupling member. A frictional force res... | 09/25/2007 |
| 7255730 | Fluid deceleration/de-aeration device A fluid deceleration device is provided for a hydraulic system having a housing forming a sump, and a valve unit having an outlet port through which hydraulic fluid is expelled for communication to the sump. The fluid deceleration device includes an elongated tilted... | 08/14/2007 |
| 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 |
| 7243583 | Lathe, in particular multi-spindle automatic lathe The multi-spindle automatic lathe (10) has an apparatus for machining the rear side of a workpiece (15). For this, it is provided with a transfer device (21) for removing a workpiece machined at its front side from a primary workpiece spindle ( | 07/17/2007 |
| 7240412 | Composite lathe To provide a composite lathe enabling the overlapping of movement areas without lowering supporting stiffness of a tool post, and thus realizing enhanced machinability. An XY supporting plane A by which a tool post 5 in is supported to be movable in an X-axis... | 07/10/2007 |
| 7240411 | Machine tool To provide a machine tool in which positioning accuracy of a ram is ensured, realizing improved machining accuracy. A cylindrical ram 14 supporting a spindle 6 is inserted in a ram guide hole 13a formed in a cross slide 13, the ram... | 07/10/2007 |
| 7237310 | Composite lathe To provide a composite lathe enabling downsizing of a machine main body and realizing an enlarged machining area. A cutting point “c” of a tool post 5 is positioned vertically under a straight line connecting axes “a” of a first spindle headstock 3... | 07/03/2007 |
| 7232406 | Tool changer of machine tool To provide a tool changer of a machine tool capable of preventing chips from scattering to the outside of the machine from an opening of a cover to adhere to a sliding portion or a gripper portion during tool change. A tool magazine 42 holding a large number ... | 06/19/2007 |
| 7219407 | Device for milling and lathing A device for milling and/or lathing workpieces including at least one machine bed, on which there is at least one tool holder and one workpiece spindle as part of a workpiece holder with an axis of rotation, whereby the tool holder has at least one tool drive with a... | 05/22/2007 |
| 7217129 | Medical or dental-medical handpiece having at least one rotary part The invention relates to a medical or dental-medical handpiece having a rotary part, in particular a turbine rotor. In order to improve the handpiece with regard to small construction, running noise and economical construction, there is provided a roller bearing for... | 05/15/2007 |
| 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 |
| 7165919 | Machine tool with a machine base In a machine tool (10) with a machine base (11), a working area (14), in which workpieces (13) are machined, and a device (25), which receives chips (24) formed during machining of the workpieces (13) from the working... | 01/23/2007 |
| 7150084 | Slide fastener manufacturing apparatus Machining portions such as a cutter portion, a slider inserting portion and an upper stopper attaching portion are provided around the vertical axis of a fixed table portion in order of machining. A fastener chain cut to have a predetermined length is held by the fi... | 12/19/2006 |
| 7147595 | CNC machine tool A CNC machine tool includes a worktable supporting two workpieces and rotatable on a base so as to exchange the positions of the workpieces. A post member is fixed on the base. A first horizontal rail unit is movable vertically on the post member. A second horizonta... | 12/12/2006 |
| 7131801 | Separation device between the machining station and a machine tool driving station A partitioning device between a machining station and a machine-tool driving station of the type driving at least two tool-holder rams is provided. The device includes a flexible curtain, called a central curtain, between two rams, where two ends are integral with a... | 11/07/2006 |
| 7131359 | Multiple-spindle lathe In order, in a multi-spindle lathe, comprising a lathe frame, a spindle drum, which is mounted on the lathe frame such that it can rotate about a spindle drum axis and has an end face facing a working space, a multiplicity of workpiece spindles, which are mounted in... | 11/07/2006 |
| 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 |
| 7089835 | System and method for forming a non-rotationally symmetric portion of a workpiece A method and control system for forming workpiece surfaces with at least a portion being non-rotationally symmetric (i.e., axis asymmetric) is provided. In one aspect, a slow tool servo system is provided to fabricate a surface having at least an axis asymmetric por... | 08/15/2006 |
| 7086315 | Straddle-cutting tool A straddle-cutting device for machining a pair of parallel surfaces on a rotating workpiece in a single cut as the cutting tool is advanced over the workpiece. Apparatus is provided for biasing the cutting tools using a stack of spring washers and a pneumatic... | 08/08/2006 |
| 7069654 | Rotor balancing A method of balancing a rotor (10), the said method comprising the steps of determining the position of the center of mass of a rotor (10) to be balanced prior to the rotor (10) being machined to its final dimensions, and machining the rotor ( | 07/04/2006 |
| 7066064 | Method and apparatus for vibration dampening of barfeeders A barstock bar feeder with a guide channel for encasing a barstock in a electro- or magneto-rheological hydrostatic oil bearing. Electro- or magneto-field generators are provided along the guide channel for selectively applying a field to the guide channel for chang... | 06/27/2006 |
| 7043805 | NC lathe An NC lathe 1 comprises a bed 5, a headstock 10 provided on the bed 5, a main spindle 11 supported on the headstock 10 so as to be rotatable around the axis thereof, a rotation drive device for rotating the main spindle 1... | 05/16/2006 |
| 7032484 | Machine tool assembly A machine tool assembly having a base assembly movable relative to a support selectively a) oppositely parallel to a first line, and b) oppositely parallel to a second line that is orthogonal to the first line, and a first spindle headstock movable with the base ass... | 04/25/2006 |
| 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 |
