Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 7335091 | Methods and apparatus for machining a coupling A method facilitates fabricating a coupling including a first annular coupling member and a second annular coupling member. The method comprises coupling the first coupling member to a machine assembly that includes a plurality of grinding wheels coupled to a tool s... | 02/26/2008 |
| 6685536 | Method for grinding convex running faces and outside diameters on shaft-like workpieces in one set-up and grinding machine for carrying out the method The invention relates to a method for grinding convex running surfaces and exact outside diameters on undulated workpieces. In a clamping, a first convex running surface is ground on a discoid partial section of an undulated workpiece during a first grind... | 02/03/2004 |
| 6390900 | Finishing tool for CNC router machines A tool mountable on a high speed spindle of a CNC machine tool, operable to finish a side edge of a flat workpiece positioned directly on a support surface of the machine tool, generally consisting of a member having a shank portion removeably mountable o... | 05/21/2002 |
| 6261160 | Method and apparatus for specular-polishing of work edges A polishing apparatus comprises a rotating table intermittently rotating through 120°0 increments; three polishing drums and three work-holding means 12 provided on the rotating table; a handling means for unloading a processed work from the work-holding... | 07/17/2001 |
| 6250999 | Multi-spindle lapping machine Lapping machine comprising a revolving turret (11) carrying at least several laps (13 to 17) that can be brought selectively into the machining position so that the laps can machine, in turn, one and the same cylindrical internal surface of a component. T... | 06/26/2001 |
| 6126526 | Universal grinding machine A universal grinding machine, particularly for the grinding of tools, having a tool magazine in which a plurality of grinding tools, together with coolant supply devices which are matched thereto, are disposed in holders and can be supplied according to c... | 10/03/2000 |
| 6015334 | Method for the deburring of items, particularly items of metal, and use of the method The invention is a method for deburring items, especially metal items which have sharp edges or burrs resulting from punching, clipping, molding or other machine operations. The items are fed under a deburring tool which sweeps the surface of the items, t... | 01/18/2000 |
| 5993300 | Ultrasonic vibration composite processing tool An ultrasonic vibration composite processing tool is disclosed wherein at least one small-sized processing member is arranged for carrying out processing of a processed material while applying vibration to the processed material, to thereby ensure stable ... | 11/30/1999 |
| 5980365 | Tool grinding machine having at least two spindles A tool grinding machine has a moveable tool receiving member and a support rotatable about a vertical axis. The support includes a solid disk having a great mass allowing a vibration-free grinding at great output. Grinding spindles are arranged vertically... | 11/09/1999 |
| 5951376 | Procedure of and device for processing optical lenses For two-side processing of optical lenses, the invention provides that blanks to be used for each lens body (7) comprise a chucking extension (18) whereby a single machine is sufficient for implementing the procedure. In addition to workpiece spindles (1,... | 09/14/1999 |
| 5704826 | Machine for grinding rotor blades provided with a multiwheel head A machine for grinding the rotor blades (4) of an aeronautical engine is equipped with a CNC control and its header (1) is a rotatable header provided with at least two grinders (2) of different abrasive materials, wherein each of them is coupled to the h... | 01/06/1998 |
| 5220749 | Grinding apparatus Apparatus is described for grinding glass to form optical elements, especially prisms. The apparatus has an improved mounting for grinding wheels which are used for different grinding purposes, specifically roughing, finishing and polishing. The finishing... | 06/22/1993 |
| 4922595 | Turret head unit A turret head unit includes a turret head, a plurality of angularly disposed tool receiving spindles carried in the turret head, a spindle drive shaft rotatably mounted in the turret head, a clutch mounted on the spindle drive shaft and movable into and o... | 05/08/1990 |
| 4685251 | Apparatus for indexing turrets for tools in grinding machines and the like A surface grinding machine wherein the turret for two grinding tools is indexible with reference to a support by disengaging the surfaces of its two coaxial sections from opposite sides of an annular component of the support. This is effected by cylinder ... | 08/11/1987 |
| 4617764 | NC vertical spindle jig grinder An NC vertical spindle jig grinder comprises a bed having a column with vertical ways and a compound table carrying the workpiece and a wheel dresser. The compound table is movable along the X and Y axes. A slide having a lay-shaft is traversable upon the... | 10/21/1986 |
| 4615150 | Device for the in situ reprofiling of the head of at least one rail of a railroad track A rail grinding device comprising at least one reprofiling unit (80,81) driven along the track by a railroad vehicle (83); a jack (85) to displace in height the reprofiling unit with respect to the railroad vehicle (83) and to apply at least one tool of t... | 10/07/1986 |
| 4607607 | Apparatus for dressing grinding wheels A grinding machine wherein a column supports a vertically movable holder for the spindle of a grinding wheel and the dressing apparatus is mounted on the holder. The dressing apparatus has a carriage disposed at a level above the grinding wheel and movabl... | 08/26/1986 |
| 4584794 | Grinder A grinder performs operations ranging from rough grinding to mirror-like finishing of the whole of an elongate peripheral surface of a work rotated around the central longitudinal axis thereof by pressing a grindstone to the work and by shifting the grind... | 04/29/1986 |
| 4481739 | Grinding machine with dual turrets A grinding machine is provided wherein a pair of wheel slides are disposed respectively at both sides of a work support to be movable toward and away from the work table in a first direction. The wheel slides respectively carry turrets thereon in such a m... | 11/13/1984 |
| 4461121 | Program-controlled grinding machine, particularly for sharpening of rotatable cutting tools To permit cutting of rotatable machine tools, or sharpening of cutting edges therefrom, for example boring tools, drills, milling cutters and the like, a grinding head has positioned thereon two spindles which carry at least three grinding wheels; one of ... | 07/24/1984 |
| 4434584 | Turret belt grinder A turret belt grinder having multiple contact wheels of different diameters mounted on tooling support members that are adjustably attached to a turret frame. The turret assembly is rotatably supported on flanged bushings bearing on a ring plate to revolv... | 03/06/1984 |
| 4328645 | Multiple spindle flexible sanding head A multiplicity of abrading discs are individually mounted in an abrading head. The discs are each self-aligning for following the contour of the surface to be abraded. The discs are rotated to abrade the surface and a multiplicity of openings in the head ... | 05/11/1982 |
| 4265053 | Apparatus for grinding cutting tools An apparatus for grinding cutting tools attached to a cutter head for gear cutting machines, the cutter head having sets of cutting tools encompassing three respective groups of cutting tools, specifically inner cutters, outer cutters and auxiliary cutter... | 05/05/1981 |
| 4226053 | Grinding apparatus A grinding apparatus and method in which at least two grinding wheels are coaxially and rotatably supported on a common spindle and are juxtaposed with a worktable for a workpiece. A pulse motor on either the worktable or the spindle displaces the wheels ... | 10/07/1980 |
| 4136489 | Grinding and polishing machine A machine for successively grinding and polishing tools such as gravers of hard metal has grinding and polishing wheels mounted in parallel shafts on a support which can be moved to bring either wheel to face a tool held in a workpiece holder. The polishi... | 01/30/1979 |