William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7415766 | Method and apparatus for processing/machining a vehicle wheel/rim preform A method of processing a vehicle wheel/rim preform with a centersection/spider and an annular wall extending around a first rotational axis and having an annular surface defining axially spaced, annular inboard and outboard bead seats. The method includes the steps ... | 08/26/2008 |
| 7331585 | Machining adapter having a collet and positive axial stop An adapter for holding a workpiece to be machined in an accurately located axial position can include a main sleeve having an interior wall defining a passage extending therethrough with at least one inner surface angled inwardly toward a centerline of the passage, ... | 02/19/2008 |
| 7290968 | Extension fixture for turning tool An extension fixture for a turning tool includes a shank, a pull rod, a clamping sleeve, and a fixing member. Thus, the fixing member presses the rotation head of the pull rod to prevent the pull rod from being rotated, thereby preventing the clamping sleeve from be... | 11/06/2007 |
| 7284761 | Bit stop for drill chuck A tool bit stop located on an inner surface of a clamping jaw of a drill chuck. The tool bit stop is located a distance from a jaw gripping surface of the clamping jaw. The tool bit stop is adapted to provide a surface to register an end of a tool bit in a consisten... | 10/23/2007 |
| 7243923 | Centering drill chuck A drill includes a chuck which has a body member including a bore to receive a tool. Jaw members frictionally engage the tool to retain the tool in the chuck. A member is associated with the jaw members and the body to move the jaw members between clamping and non-c... | 07/17/2007 |
| 7226257 | Router bit with position stop A router bit with a position stop is disclosed. The router bit includes a body with a collar extending outwardly from it and a shaft extending outwardly from the collar. At least one cutter blade is mounted to the body and the cutter blade may be used to cut a profi... | 06/05/2007 |
| 7137185 | Tool holder for shrink-fit attachment of rotating tools with predominantly cylindrical shafts The invention relates to a tool holder (10) for shrink-fit attachment of rotating tools (11) with predominantly cylindrical shafts (12), having a chuck (13) with a clamping section (14) containing a conical receiving bore (15 | 11/21/2006 |
| 7131798 | Countersink for chip removing machining tool A tool for chip removing machining includes a drill and a countersink mounted to the drill. The drill includes a protruding land and at least one chip flute. The countersink includes a body, a plurality of inserts received in respective insert pockets formed in the ... | 11/07/2006 |
| 7114728 | Rapid detached connecting device A rapid detached connecting device comprises a rod body having an engaging portion; the rod body having a hollow body; an engaging block installed within the rod body; the engaging block having a stop block; a buckling unit inserted into the engaging portion for lim... | 10/03/2006 |
| 7104170 | Air release stock stop An air release stock stop for detecting the end of a bar stock during a machining process on a turning machine. The air release stock stop includes a pivot member hingedly connected to a base member by a shaft, an activation member adjustably connected through the p... | 09/12/2006 |
| 7082656 | Pipe beveling system A tool for beveling the end of a pipe is comprised of a hollow, tubular body having a central, longitudinal axis of rotation, an inboard coupling end, and an opposite outboard working end. A plurality of longitudinally spaced, transversely directed latching pin bore... | 08/01/2006 |
| 7077607 | Key cutting machine A key cutting machine for the cutting of keys includes a spindle adapted to be driven rotatably about an axis thereof. The spindle has an axially extending throughbore. A milling cutter is selectively mountable in the throughbore for corotation therewith. A carriage... | 07/18/2006 |
| 7044694 | Router bit with position stop A router bit with a position stop is disclosed. The router bit includes a body with a collar extending outwardly from it and a shaft extending outwardly from the collar. At least one cutter blade is mounted to the body and the cutter blade may be used to cut a profi... | 05/16/2006 |
| 7029213 | Device for removably coupling two coupling elements and equipment for pre-adjusting machine tools comprising this device Device for coupling in a reproducible position two coupling elements, comprising a first coupling element (2) and a centering plate (4), the centering plate (4) being designed to be fastened to a second coupling element (3), the first cou... | 04/18/2006 |
| 6994000 | Fixture and locator device for supporting a rotatable member There is provided a locator device and an associated fixture and method for supporting a rotatable member. The locator device has a base and a plurality of flanges extending from the base in an axial direction and arranged circumferentially to define an aperture for... | 02/07/2006 |
| 6931971 | Laser-based jaw setting device A laser-based jaw setting device for an accurate work holding jaw placement on a lathe, wherein the laser-based jaw setting device has a housing with a laser diode, an internal battery supply, and an operating switch mounted therein; and further having a main mounti... | 08/23/2005 |
| 6908085 | Rotating tool chucking device A Chucking device comprising a collet with an external taper and a collet holder with a taper socket for the chucking of a rotating part, wherein the taper socket of the collet holder and the external taper of the collet have a taper angle which is smaller than the ... | 06/21/2005 |
| 6887018 | Chuck for annular core bit A chuck for an annular core bit (1) having an inner thread (2) includes a motor-driven rotatable spindle (4) having a threaded support (5) cooperating with the inner thread (2) for supporting the annular core bit (1), a stop... | 05/03/2005 |
| 6820700 | Chuck for a percussion tool A chuck for a rotary-percussion power tool (2) and including a working tool guide (3) for receiving a shank (5) of a working tool, at least one locking member (4) for limiting an axial displacement of the shank (5) within an axial ... | 11/23/2004 |
| 6767018 | Machinable datum for a self-centering vacuum fixture A machinable datum for use in a vacuum fixture is disclosed. The vacuum fixture comprises: a cylindrical stationary mandrel portion having a central cavity therethrough, and comprising: a first end mountable to a machine tool, such as a lathe; a second end terminati... | 07/27/2004 |
| 6572119 | Axial chuck A clamping sleeve/tensioning device comprises a clamping sleeve that is positioned inside a conical centering opening of a housing body. A chucking mechanism with rotational body is used to tighten or release the clamping sleeve. The rotational body is pr... | 06/03/2003 |
| 6520508 | Keyless router chuck A tool receiver or chuck is provided which may receive a cutting tool, such as a router bit or the like, therewithin and non-rotatably retain the tool relative to a rotary driving device. The tool receiver includes a plurality of blades substantially enca... | 02/18/2003 |
| 6502834 | Holding chuck for a tire-wheel with a chatter-suppressing device A holding chuck has a clamping device for firmly holding the tire-wheel in the position aligned with a center axis of a holding chuck. Chatter-suppressing dampers are disposed on an intermediate plate fitted around the chuck. The dampers are disposed on c... | 01/07/2003 |
| 6390482 | Cutting tool assembly A tool assembly (10) comprising a male member (12) and a female member (14). The male member having a diameter D1 and being inserted into a variable diameter bore (28) in the front end of the female member (14). The variable diameter bore having a front e... | 05/21/2002 |
| 6371705 | Tool holder A tool holder is disclosed for a rotary tool having an elongated cylindrical shank. The tool holder includes an HSK body having a cylindrical bore with a predetermined inside diameter. An elongated cylindrical insert has a throughbore or collet pocket and... | 04/16/2002 |
| 6367814 | Apparatus for clamping a work piece The apparatus for clamping a work piece in a well defined position within the operating area of a machine tool comprises a chuck member to be mounted within the operating area of the machine tool and a work piece carrier that can be put onto the chuck mem... | 04/09/2002 |
| 6219893 | Coupling for clamping a pallet Described is a coupling, provided at the spindle head of a machine tool, for clamping an especially plate-shaped work-holding fixture, for example a pallet, in a specified, repeatable and precise position relative to a spatial reference system, wherein th... | 04/24/2001 |
| 6145849 | Disk processing chuck A memory disk having a central opening and planar sides for receiving magnetic media on both of the sides is bounded by a cylindrical outside diameter peripheral edge and chamfered edges extending between each of the planar sides. The peripheral edge is c... | 11/14/2000 |
| 6126175 | Collet-stop assembly A collet-stop assembly for fixing the position of a work-piece or tool ("item") intended to be held immobile by and within a collet during machining operations. The assembly includes a stop-collar for gripping a stop-unit to be placed in direct contact wi... | 10/03/2000 |
| 6126174 | Apparatus for machining vehicle wheel bead seats A wheel component has an annular extension formed upon an end. The extension is clamped to a wheel lathe and allows turning a tire bead seat upon the wheel component adjacent to the extension.... | 10/03/2000 |
| 5938211 | Alignment ledge for automatic and repeatable theta registration of laser bars A system for positioning an article at a predetermined angular orientation with respect to a vacuum collet comprising a vacuum collet having an article pickup surface; and an alignment ledge overhanging the pickup surface, wherein the alignment ledge is a... | 08/17/1999 |
| 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 |
| 5848795 | Front part replacement type finger chuck Even though the shape and size of an aluminum wheel to be chucked for machining is changed, it is possible to easily deal with this situation and to simply chuck the same. In a finger chuck which finger levers 5 are swingably mounted in the radius directi... | 12/15/1998 |
| 5820137 | Chuck apparatus for centering and locking aluminum wheels A chuck apparatus is operative to center and lock an aluminum wheel in a lathe having a machining centerline. The chuck includes a face plate adapted for rotation about the centerline, and first, second and third radial slide blocks slidably movable perpe... | 10/13/1998 |
| 5797605 | Workholding apparatus Workholding apparatus for mounting a workpiece (6) on a machine tool, the apparatus comprising a diaphragm chuck portion (2) and a tailstock portion (4). The chuck (2) includes a backing ring (70) with face portion (74) attached to the diaphragm (44) with... | 08/25/1998 |
| 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 |
| 5746436 | Air pressurized chuck An air pressurized chuck has a spindle journalled in a housing for rotation about a longitudinal axis. One means is mounted in a penultimate portion of the spindle and rotatable therewith for longitudinally reciprocating along the axis in one direction in... | 05/05/1998 |
| 5715735 | Workpiece ejector A workpiece ejector has an air actuator mounted within a lathe spindle for rotation therewith. The ejector actuator is controlled to extend its piston and piston rod to eject a workpiece from the lathe collet. A removable ejector nosepiece may be connecte... | 02/10/1998 |
| 5700019 | Chucking ring The chucking ring of this invention finds its principal utility in the clamping of top jaws used in a machine tool, such as a lathe, having a chuck and equipped to machine successive workpieces. The chucking ring includes a flanged head on one end of a tu... | 12/23/1997 |
| 5641168 | Machine tool collet with axial stop The machine tool collet has a plurality of gripping jaws held in a longitudinally and angularly spaced relation about a longitudinal centerline axis through the collet. The gripping jaws have an inner face parallel to the centerline axis and the plurality... | 06/24/1997 |