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 |
| 7384219 | Tool with selectively biased member and method for forming a non-axis symmetric feature A rotating cutting tool is selectively biasable in the radial direction based on the angular orientation of the cutting blade, which may be used to create a non-axis symmetric feature in a bore. The radial position of the cutting blade may be controlled by selective... | 06/10/2008 |
| 7364389 | Deburring tool A deburring tool includes a blade having a cutting head portion, an anchor portion, and a retention spring. An arbor is adapted to removably mount the blade such that the head portion of the blade is adapted to be elevated a predetermined distance from the arbor in ... | 04/29/2008 |
| 7356904 | High speed linear motion mechanism A motion mechanism is described. In one embodiment, the motion mechanism includes a base portion, a flexure portion, and a transducer. The flexure portion includes a payload support portion configured to support a payload, a first plurality of elongated portions ext... | 04/15/2008 |
| 7322778 | Tool with selectively-biased member A tool for working a workpiece has a slot provided between a pair of extremities at its distal end. The extremities have cutting blades mounted thereon. The slot is configured to receive a plate. The tool has a conduit running along its axis for communication of pre... | 01/29/2008 |
| 7219410 | High speed linear motion mechanism A motion mechanism is described. In one embodiment, the motion mechanism includes a base portion, a flexure portion, and a transducer. The flexure portion includes a payload support portion configured to support a payload, a first plurality of elongated portions ext... | 05/22/2007 |
| 7220086 | Tool head with at least two indexable cutting inserts The invention concerns a tool head for employment in machine tools with multiple indexable cutting inserts (20, 20′, 20″). The tool head includes a base body (12), a tool shank (14) projecting axially beyond the base body (12) and at ... | 05/22/2007 |
| 7172373 | Deburring tool with quick change knife The invention relates to a deburring tool with a quick change knife, which is formed by at least two parts, namely a guide sleeve having a larger diameter and a center bore, and a base body that can be inserted in the center bore in an axial direction. The base body... | 02/06/2007 |
| 6997655 | Deburring tool A deburring tool is adapted to be rotatably mounted in a chuck of a drive motor to perform deburring operations. The deburring tool includes an arbor and a blade having a cutting head portion defined at one end thereof and a clip portion defined substantially at the... | 02/14/2006 |
| 6869257 | Method for deburring and tool for use therein A method for deburring and tool for use therein wherein workpiece-engaging portions of a cutter of the tool prevent the cutting of chamfers to hole edges of boreholes. The tool removes burrs from a drilling operation performed on a steering yoke. The yoke includes t... | 03/22/2005 |
| 6736035 | Engraver In an engraver of an electrical engraving machine for engraving pressure cylinders, the engraver comprises a rotating system which oscillates around small angles. The engraver further comprises a drive system for the rotating system and of an engraving element that ... | 05/18/2004 |
| 6729810 | Selectively biased tool and methods of using the same A tool including a working portion with a working member, a side surface and an end surface. The working portion includes a passage passing through the side surface and the end surface. At least one seal is adapted to restrict fluid flow through the side surface and... | 05/04/2004 |
| 6705185 | Lathe for interior cutting of hollow work pieces A turning lathe for interior cutting of hollow work pieces using a boring rod onto which a tool holder device is fitted and on which there is a mechanism for holding a work piece in such a way that it encloses at least part of the boring rod characterized by the fac... | 03/16/2004 |
| 6579047 | Guide and support device for small machine tools, in particular for rotating-mass balancing machines It is provided a support and guide device for small machine tools, in particular for rotating-mass balancing machines, comprising: a base element (2), at least one moving element (3) in engagement with the base element (2), support elements (4) for the mo... | 06/17/2003 |
| 6578453 | Inside diameter machining method An inside diameter machining method for machining inside a workpiece uses a turning tool utilized within a main body in the shape of a bar with a hook-shaped top end portion which has a cutting portion. When the machining diameter of the portion to be mac... | 06/17/2003 |
| 6536998 | Selectively biased tool and methods of using the same A tool including a working portion with a working member, a side surface and an end surface. The working portion includes a passage passing through the side surface and the end surface. At least one seal is adapted to restrict fluid flow through the side ... | 03/25/2003 |
| 6457391 | Machine tool In a lathe 1, an angular position ଲ x for respectively positioning a single tool in the plural numbers of directions of the tool edge is computed according to designated shape information IFa, and the tool 25 held by the tool holding body 22 can be ... | 10/01/2002 |
| 6446532 | Turning machining tool The turning machining tool has a main body 2 forming tool holding portion 3. An insert holding portion 12 is provided to the main body so as to being rotatably in a predetermined plane. A insert 13 is detachably attached to the insert holding portion 12. ... | 09/10/2002 |
| 6415695 | Method for forming spherical concave surfaces A method for forming a spherical concave surface includes the steps of bringing a tool into contact with a material to be formed, rotating the material around a predetermined axis, and moving the tool in a first direction parallel to a central axis of the... | 07/09/2002 |
| 6394710 | Tool and method for processing perforations A tool having a base body is proposed, on which at least one cutter holder, preferably a rocker-type cutter holder, is mounted such that it can be adjusted transversely with respect to the axis of the tool. The cutter holder carries a cutter and rests via... | 05/28/2002 |
| 6318220 | System and method for finish machining differential housings A method of machining a differential housing defining a cavity having opposed concave interior surfaces from a workpiece having first and second transverse bores defined therein. A tool having a retractable cutting insert is mounted on a spindle of a mach... | 11/20/2001 |
| 6270295 | Tool with selectively biased member and method of using the same Cutting tool, such as a gun reamer or a drill, with a rotating cutting blade and a rotating support member for supporting the workpiece, where at least one of the cutting blade and the support member are selectively biased. The selective bias on the blade... | 08/07/2001 |
| 6227082 | Process and device for manufacturing workpieces with non-circular inner or outer contours as well as eccentrically positioned round boreholes and/or journals The invention pertains to a special process and devices for the production preferably by machining of workpieces with non-circular outer and inner contours such as squares, hexagons, ellipses, polygons and the like, or eccentric circular bores and/or tapp... | 05/08/2001 |
| 6196773 | Tool with control of a fluid axis using reference information from other tool axes A tool with a fluid axis wherein the fluid axis is controlled based on reference information from other tool axes, such as positional information relating to other tool axes. The reference information may be directly measured or may be determined from a c... | 03/06/2001 |
| 6186706 | Method and equipment for processing carbon bodies A method and equipment with a processing tool for the processing of carbon bodies, such as formation of holes in calcined carbon bodies, in particular nipple holes in anodes for use in electrolytic cells for the production of aluminium. The equipment comp... | 02/13/2001 |
| 6062778 | Precision positioner for a cutting tool insert A cutting tool insert is mounted on a flexure member that is mounted on the end of a boring bar. The construction of the flexure member is such that it is compliant along a radial axis perpendicular to the direction of tool advancement, but relatively sti... | 05/16/2000 |
| 5967007 | Position drive, in particular for use in machine tools, and tool head having such a position drive The invention relates to a position drive for a tool head for use in machine tools. The tool head comprises a base body (12), a tool shank (16) which protrudes axially over the base body (12) and is coupleable to a rotating machine spindle (14), and a thr... | 10/19/1999 |
| 5960687 | High-precision cutting and boring mill A Cutting & Boring Tool which is capable of performing both conventional milling and high-precision automated machining operations is disclosed. One preferred embodiment of the invention comprises a compact Boring Mill (200) which includes five independen... | 10/05/1999 |
| 5947658 | Toolhead for cutting workpieces and method of manufacturing same A tool head for the precision cutting of a surface of a rotating workpiece has a cutting tool which is movable in opposition to the force of a restoring spring from an initial position into an operating position with respect to the workpiece via an actuat... | 09/07/1999 |
| 5943927 | Apparatus and method for counterboring a pipe An apparatus (20) for counterboring a pipe (25) includes an expander unit (24), a shaft (26) extending from the expander unit, a flywheel (30) rotatably and slidably mounted on the shaft, a frame (34) mounted on the flywheel to be movable in a radial dire... | 08/31/1999 |
| 5702212 | Drilling device for producing drilled holes with an undercut In a drilling device for producing drilled holes with an undercut, in particular in facing panels of stone, ceramics, concrete or similar materials a drive motor of a drilling shaft is mounted so as to swivel, is displaced outward by a sloping surface, an... | 12/30/1997 |
| 5692421 | High-precision cutting tool system The present invention solves the problems encountered by conventional machine tool devices when metals, plastics, composites or other materials are cut. The Sizing Tool is capable of precisely and permanently changing the shape of a tubular workpiece beca... | 12/02/1997 |
| 5520077 | Numerically controlled contouring head having translation of axial spindle movement into radial cutting edge movement A contour head apparatus for effecting a radial adjustment of a cutting edge tool is disclosed. The contouring head apparatus is adapted for use with a numerically controlled spindle and sleeve, the sleeve capable of rotation about a first axis and the sp... | 05/28/1996 |
| 5496324 | Proximal body milling apparatus A milling apparatus 2 including an articulated cutter 20 and an inverted L-shaped frame 10 for removing a unique geometric volume of bone to receive a prosthetic implant stem. Cutter 20 is housed within frame 10 for rotational movement about its longitudi... | 03/05/1996 |
| 5209145 | Spherical boring tool A tool is described for boring spherically curved inner surfaces consisting of a main body which rotates about its longitudinal axis during the boring operation. A swivel housing is mounted on an axle bolt in the main body and can thus be swiveled about a... | 05/11/1993 |
| 5174695 | Fineboring machine and process for producing bores with any polar and/or axial generating line Safe and structurally simple design for a finebore machine with a turning tool (3) mounted on a boring bar (2), whereby the excursion of the turning tool is produced by a piezoelectric servomotor without any magnetic actuation. This is achieved in the fol... | 12/29/1992 |
| 5159862 | Method and apparatus for machining the inside surface of a closed hollow casing A method and apparatus for machining the inside surface of the two halves of the hollow casing of a machine or the like with the two halves positioned and mated together to form the closed hollow casing thereby providing machined areas on the inside surfa... | 11/03/1992 |
| 4992010 | Device for forming an undercut in a drilled hole A device for forming an undercut in a drilled hole comprises a stem having a pivotal reaming element at a lower end thereof, and a guide tube in which the stem is longitudinally displaceable with the reaming element pivoting radially outwards from the gui... | 02/12/1991 |
| 4979852 | Automatic pivot head An adjustable tool holder for cutting tools in boring machines having an internal drawbar includes a housing pivotally connected to a rotary spindle and a forwardly disposed cutting tool. A wedged camming surface is positioned forwardly on the drawbar for... | 12/25/1990 |
| 4945792 | Boring tool for machining the interior of narrow neck casing An improved boring tool with a hollow boring bar and has an exterior semicircular surface and an opposite eliptical surface over a substantial portion of its length and has a circular slotted end portion, the diameter of which is sufficiently small to pas... | 08/07/1990 |
| 4938291 | Cutting tool for cutting well casing A cutting tool (22) having elongate cutter arms (36) mounted about a pivot pin (40) for outward swinging movement. Cutting blades (58, 60) are mounted on the lower ends of the cutter arms (36) and have a plurality of closely fitting hard carbide cutting e... | 07/03/1990 |
