Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8074544 | Cylindrical grinding apparatus and method for grinding A cylindrical grinding apparatus grinding a side face of a cylindrical ingot, having a centering means of at least three rollers and an arm holding the rollers. The cylindrical ingot is placed on a table longitudinally, its end faces being held vertically with a pai... | 12/13/2011 |
| 7963199 | Vertical spinner The present invention relates to a spinning apparatus for forming a workpiece when the workpiece is arranged in a substantially vertical orientation. The spinning apparatus includes at least one tool capable of altering the shape of the workpiece while spinning. The... | 06/21/2011 |
| 7500419 | Center drive machine and clamping device therefore The invention relates to a clamping chuck head for clamping a workpiece to be processed. The clamping chuck head comprises a rotatably supported clamping chuck having a first set of clamping segments for clamping a workpiece on a first perimeter area, an operating d... | 03/10/2009 |
| 7201546 | Machine tool and method for computing attachment position of balancer in machine tool When a rotary table rotates, a main control section of a multi-tasking machine detects vibration of the rotary table on which a workpiece is mounted based on fluctuation of a position droop computed by a servo system. The main control section computes the arrangemen... | 04/10/2007 |
| 7201088 | Lathe A lathe exhibits a vertically positioned, motor-driven work spindle on whose lower end are positioned workpiece clamps, an initial compound slide system (19) by means of which the work spindle can move vertically in the Z1 direction and horizontally in the X1... | 04/10/2007 |
| 7168901 | Device and method for trimming samples A device 1 and a method for trimming samples 38 are disclosed. The device 1 encompasses a knife holder 9 and a sample holder 7, the knife holder 9 carrying at least one trimming knife 36. A first motor 60 and a... | 01/30/2007 |
| 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 |
| 7150213 | Vertical processing center A vertical machining center with a tool slide, which can be moved in a controlled manner, and a workpiece feed on one side of a machining area is designed for automatically changing the workpiece holders with workpieces. To this end, the workpiece feed is designed f... | 12/19/2006 |
| 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 |
| 7128507 | Machine tool The present invention provides a machine tool capable of achieving a higher feed rate of a spindle and weight reduction while ensuring necessary stiffness of a column. The present invention includes: a bed; a saddle disposed on the bed to be movable in a Y-axis dire... | 10/31/2006 |
| 7127786 | Machine tool The present invention provides a machine tool capable of enhancing approachability to a spindle to improve work efficiency even when it includes a workpiece changer. The present invention includes: a bed; a saddle disposed on the bed to be movable in a forward and b... | 10/31/2006 |
| 7124666 | Multiple spindle machine tool In order to provide a multiple spindle machine tool having a machine frame, a first spindle slide with a first workpiece spindle, and a second spindle slide with a second workpiece spindle, wherein first spindle slide and second spindle slide are guided on the machi... | 10/24/2006 |
| 7086316 | Vertical lathe A machine frame, at the top of which is disposed a vertically displaceable workpiece-accommodation spindle with a workpiece chucking device. Disposed on the machine frame are a tool holder, displaceable in a horizontal X1 direction, for a tool and another too... | 08/08/2006 |
| 7069632 | Coaxial and concentric cutting machine and a method for use thereof A concentric coaxial cutting machine which cuts cylinders, cylindroids or cones using a chain saw from a single larger object such as a wood tree trunk, a block of ice or a block of plastic. An embodiment of the invention comprises a transverse support member having... | 07/04/2006 |
| 7062999 | Inverted vertical lathe The object of the invention is to provide an inverted vertical lathe comprising a device for replacing collets automatically, and having a detector for detecting that the collet has been gripped correctly. A chuck 400 mounted on a headstock 40 grips a ... | 06/20/2006 |
| 7040629 | Clamping device for elongated workpieces An arrangement for clamping raw materials in a machine tool for machining elongated workpieces is provided. The arrangement comprises a supporting plate with at least one thoroughgoing opening and at least one clamping device arranged in front of one of the openings... | 05/09/2006 |
| 7013543 | Vertical machining center In a vertical machining center, a spindle head is movable in three mutually transverse axes directions relative to a workpiece and a table is arranged below. A vertical stocker is disposed in the vicinity of a machining area and stocks the bar workpiece in a vertica... | 03/21/2006 |
| 7013544 | Machine tool and pallet changer for machine tool An APC is provided in a five-axis controlling vertical machining center. A spindle head is movable in three mutually transverse axes directions to a workpiece. A table disposed below swings to be positioned and is directed upwardly and indexed. A pallet setup base i... | 03/21/2006 |
| 7008152 | Machine tool for processing work pieces on at least three axes A machine tool for at least triaxially machining work pieces (15) comprises a work spindle (10) and a working area (14) before the work spindle (10). A z skid (23), which is displaceable in the direction of the spindle (10),... | 03/07/2006 |
| 6945147 | Clamping device for machine tools A clamping device for machine tools is disclosed that is capable of ensuring the clamping force for a tailstock while maintaining a small overall size of the device and a reduced number of parts. The tailstock (movable carriage) movably mounted on a fixed bed is cla... | 09/20/2005 |
| 6920679 | Machine tool A machine tool in which the workpiece is transported by a pair of longitudinal carriages with transverse and vertical carriages supporting the workpiece holders to a machining region from a workpiece replacement region. In the machining region the workpiece is displ... | 07/26/2005 |
| 6918326 | Vertical lathe There is provided a vertical lathe which, when machining gradually varying lens grooves in a mold for molding of a Fresnel lens, can change the angle of a cutting tool without positional displacement of the cutting tip, enabling high accuracy machining of the gradua... | 07/19/2005 |
| 6915725 | Engraver's workstation Described is a device that is useful for allowing an engraver, or the like, to have their workpiece rotated without the need to lift their tools from the work piece, and to eliminate hesitation or stopping in the course of engraving circles, spirals, curves, or conv... | 07/12/2005 |
| 6904665 | Method and apparatus for machining workpieces Method and apparatus providing a tool turret for a machine tool with at least one motor-driven tool that is suitable for machining of wavy or tubular workpieces. The transport of the workpieces from one machining station to the next is effected in a simpler, more re... | 06/14/2005 |
| 6904652 | Universal machine tool A universal machine tool having a workpiece slide movable on a machine bed by means of a motor for the workpieces to be machined and a machining unit which is movable about a plurality of axes by means of a motor. The machining unit includes a motor-driven work spin... | 06/14/2005 |
| 6901830 | Vertical lathe, tool head for vertical lathe, rotary table apparatus for machine tool In a vertical lathe of an open side column type, a pair of linear guides (65,66) arranged in parallel in a cross rail (62), and a space portion (67) is formed between them (65,66). A saddle (90) is supported by the linear guides ( | 06/07/2005 |
| 6886225 | Worktable for numerical control machine tools A worktable for numerical control machines, having a supporting structure hinged to the frame of the machine tool, and a faceplate fitted for rotation to the supporting structure to rotate, on command, about a first reference axis; the worktable having a first drive... | 05/03/2005 |
| 6843622 | Apparatus and method for profiling optical disks An apparatus for the automated profiling the edge of successive optical disks, and including an optical disk supply assembly for holding a supply of optical disks to be profiled, a turntable for receiving an optical disk to be profiled, and for reciprocating between... | 01/18/2005 |
| 6823572 | System for carrying out mechanical workings A machine for carrying out mechanical workings preferably by showing removal includes a frame arranged for receiving a semi-worked piece having a cross section exhibiting dimensions remarkably smaller than the length of the piece measured along its own longitudinal ... | 11/30/2004 |
| 6760961 | Piston machining An apparatus and method of utilization thereof is provided for machining pistons of reciprocating piston internal combustion engines. The piston is held in a work station by its interior cavity and the oil rings, oval side surface and hinge pin bore are machined on ... | 07/13/2004 |
| 6711804 | Machining center A machine tool in which a plurality of machining positions is orbited by a work spindle unit carrying a workpiece and capable of radial displacement relative to the central axis of rotation. The work spindle unit may be one of one or more such units mounted upon a b... | 03/30/2004 |
| 6694849 | Lathe A lathe (10) includes a support structure (12) which supports a magazine (14) in a substantially vertical operative orientation. The magazine (14) is rotatably supported in a carriage (24). The magazine (14) is a multi-spindle magazine and supports a plur... | 02/24/2004 |
| 6655247 | Machine tool In order to use moved masses which are as small as possible in a machine tool, in particular for the rotary machining of workpieces, comprising a machine frame, a tool carrier, a workpiece carrier, it is proposed to provide a parallel kinematic arrangemen... | 12/02/2003 |
| 6651535 | Lathe In order to so improve a lathe comprising a machine frame, a first workpiece spindle with a vertical first spindle axis and a first workpiece holder, a first carriage system for moving the first workpiece spindle, a second workpiece spindle with a vertica... | 11/25/2003 |
| 6651536 | Lathe A lathe (10) includes a support structure (12) which supports a magazine (14) in a substantially vertical operative orientation. The magazine (14) is rotatably supported on a carriage (24). The magazine (14) is a multi-spindle magazine and supports a plur... | 11/25/2003 |
| 6634265 | Apparatus for exchanging workpieces The invention provides an apparatus for exchanging workpieces which reduces the time required for exchanging workpieces by cutting down to a minimum the moving distance and the waiting time of a workpiece transport means. By the movement of a headstock 1,... | 10/21/2003 |
| 6564683 | Multi-height can body cutting apparatus adapted to cut can body of different heights A multi-height cutting apparatus includes a fixed cutting tool means disposed around a central axis, the fixed cutting tool means having at least one cutting edge, and a plurality of rotary cutting tool means spaced between the column and the fixed cuttin... | 05/20/2003 |
| 6352496 | High-speed milling machine with rotary table A milling machine includes a bi-directional, variable speed, rotary workpiece-holding table, a table drive sized to achieve relatively high acceleration and deceleration rates, a cutting tool mounted to a single or dual axis head, and a control system ada... | 03/05/2002 |
| 6314847 | Machine tool A machine tool is provided where the support rigidity of the saddle is improved without increasing the height of the headstock. The machine tool includes a headstock situated on a fixed bed and a saddle having two different heights disposed on the fixed b... | 11/13/2001 |
| 6311591 | Machine tool In order to improve a machine tool comprising a machine frame, at least one workpiece receiving means which can be rotated about an axis and fixed in a defined rotary position, a tool carrier arrangement, with a rotatingly driven tool which can be moved b... | 11/06/2001 |
