Class 409/217 - Plural cutters

Subclass of Class 409 - Gear cutting, milling, or planing
Definition: Apparatus including a first cutting tool adapted to perform
No. of patents: 30
Last issue date: 05/13/2008

Number	Title	Issue Date
7371037	Rotary cutting tool comprising two cutting portions having opposed cutting directions A rotary cutting tool extending along a longitudinal axis and including a first cutting portion including a plurality of first helical teeth having a helix direction and being designed to work in a first direction of rotation of the tool. The tool also includes a se...	05/13/2008
7334331	Methods and apparatus for machining components A method of using a machining assembly to machine a plurality of different turbine components that include a dovetail having a contoured profile. The method includes removably coupling a first set of retainers into the machining assembly, the first set of retainers ...	02/26/2008
7207753	Apparatus and method for shaping an edge of a tile An apparatus and method for shaping an edge of a tile. The preferred embodiment enables an operator to place a tile between an elevator and a reference plate. The operator snugs the edge of the tile up against a reference plate, and causes the elevator to press the ...	04/24/2007
7150589	Deburring tool A deburring tool includes a proximal cutter and a distal cutter which form a V-shaped groove within which a workpiece is positioned to remove burrs from both sides of the workpiece simultaneously. The cutting edges of the proximal and distal cutters do not include a...	12/19/2006
7131473	Programmable coping bit A coping bit capable of being easily modified to cut profiles having tenons of varying lengths is provided. The coping bit includes an axially extending primary drive shaft and a first cutting member fixed on the primary drive shaft. An axially extending secondary d...	11/07/2006
7007382	Slot machining A method for cutting a blade root retention slot in a turbine engine disk element includes forming a precursor slot in the element. The precursor slot has first and second sidewalls and a base. A rotating bit is passed through the precursor slot to machine the base....	03/07/2006
6688352	Multi-axis work center, for multiple production, in particular for wood working The invention relates to a work center for wood working including: a support base (1) for the pieces to be worked; a structure (6), mobile along said base in the direction of a first numerically controlled axis (X); a support (12) of a tool group (13) mounted on sa...	02/10/2004
6412156	Multi-spindle machine tool In a multiple spindle processing unit which can change processing locations of a work in accordance with a modification made to the work, the present invention is intended to facilitate changes of design corresponding to the modification made to the work ...	07/02/2002
6387025	Machining device equipped with spindle position interchanger and method for interchanging spindle positions A machining device equipped with a spindle position interchanger comprises a longitudinal table provided on a bed and movable in a horizontal direction; a transverse table provided on the longitudinal table and movable in a direction perpendicular to the ...	05/14/2002
6338705	Apparatus for machining caliper blocks and brackets of motorcar disk brakes A machining head (36) is drivable along a vertical axis and two horizontal axes with respect to a workpiece held on a workpiece-holding device, and has, at progressively lower levels along said vertical axis, one or two high-speed spindles (44), one or tw...	01/15/2002
6145178	Milling machine with horizontal and vertical spindles A machine tool comprises a base with an upstanding column, a vertical spindle axis tool driving unit symmetrically located and vertically movable on the front of the column, a frontwards oriented horizontal spindle axis tool driving unit symmetrically loc...	11/14/2000
6050760	CNC milling machine A CNC milling machine comprises a main transmission shaft driven by a motor, an upright shaft provided with a transmission wheel set that is actuated by the main transmission shaft, an engagement device having a main shaft which is provided with a connect...	04/18/2000
5980172	Double cutting spindle unit for a cutting machine A double cutting spindle unit comprising a main spindle unit and a sub-spindle unit mounted on the main spindle unit and vertically slidable relative to the main spindle unit. The chucking member is normally biased toward its fastening direction by a fast...	11/09/1999
5943750	Reconfigurable machine tool In accordance with the teachings of the present invention, a machine tool assembly is easily reconfigurable to perform single or multiple machining processes on a workpiece so that this machine has exactly the functionality required to perform a given set...	08/31/1999
5628594	Horizontal insert for universal turret milling machines A horizontal insert designed for horizontal insertion in a universal turret milling machine, particularly Bridgeport-type milling machine, to facilitate performance of horizontal milling, drilling, boring and tapping operations, as well as standard vertic...	05/13/1997
5582068	Motion transforming mechanism and system for producing same A motion transforming mechanism comprises a plate assembly constituted by rotation plates having a common rotation axis, a toothed rail having a parallel rail portion and a mid-longitudinal plane perpendicularly intersected by the common rotation axis and...	12/10/1996
5344261	Lens generator and tool cutter The lens generator which produces a curved surface in a lens blank while simultaneously producing a complementary curved surface in a lap or tool used to fine and polish the lens. By producing a tool having the exact shape as the lens, it is possible to m...	09/06/1994
5267818	Arrangement for providing planar movement of a machine tool An arrangement for providing universal movement of a machine tool is provided in which there are parallelogram linkages, one of which has a link which maintains parallelism with a worktable and is movable in any direction in a plane. A machine tool is car...	12/07/1993
4945958	Automatic processing head replacement device in wood working machine An automatic processing head replacement device for a NC type wood working machine in which a rack is provided on one of beams, a carriage is mounted on rails another beam, a slide block is mounted on rails on the other beam, the carriage and slide block ...	08/07/1990
4728229	Positioning mechanism for a multiple head drilling assembly A mechanism for individually positioning a drilling head in a multiple head drilling assembly. The assembly includes a plurality of spindle blocks arranged in side-by-side relation, and a spindle that is adapted to carry a drill head is mounted for rotati...	03/01/1988
4709455	Milling and drilling head for a machine tool A milling and drilling head for a machine tool has an input shaft housed in a stationary case also incorporating a control means drivingly connected to a ring gear which is fast with a moving case portion accommodating at least one tool holding spindle dr...	12/01/1987
4674923	Access notches for indexing inserts in a groove mill A tool for use in a groove mill to simultaneously form spaced grooves in the interior surface of a bore with the tool including a shank and a pair of heads mounted thereon in spaced relation and in a detachable, non-rotative manner. Each head includes a p...	06/23/1987
4597144	Machine tool A machine tool for processing workpieces of various shapes comprises three processing units each mounted on a carriage to move in three axes of coordinates and each being rotatable about a horizontal axis. Each processing unit carries a tool holder having...	07/01/1986
4594928	Knife cylinder for working weblike material An apparatus for rapidly changing a plurality of knives secured within a knife cylinder of a paper cutting or perforating machine includes a pressure generator for pressurizing a plurality of pressure cylinders which actuate a force transmission mechanism...	06/17/1986
4593731	Driving means for rotating spindles for use in a wood working router or the like A device for rotating spindles in a wood working router includes a turret head rotatably mounted on a column extending from a machine face having radially orientated spindle heads and rotatable spindles, cutting tools respectively mounted on the working e...	06/10/1986
4557303	Spindle shaper A spindle shaper machine tool successively performs a plurality of operations on a work piece without removal and replacement of cutter heads on the spindle. The cutter heads are superimposed on the spindle, a fluid pressure jack quickly shifts the spindl...	12/10/1985
4537538	Apparatus for working on turbine blade mounting grooves An apparatus for machining turbine blades of a radial entry type to form in each blade a groove of a Christmas tree shape for mounting the blade on a turbine rotor including a main spindle, a rotary disk supported on the main spindle, and a plurality of c...	08/27/1985
4536111	Machine tool having numerically controlled adjustable arbor set up for straddle milling A machine tool having a numerically controlled adjustable arbor for facilitating different straddle milling operations on random workpieces without the need for manual adjustment of the cutter width comprises a frame which carries a power station thereon....	08/20/1985
4535527	Tool exchanging device for a multi-spindle machine tool A machine tool for mounting on a lateral or console unit of a transfer machine comprises a spindle unit, drive elements, a number of processing spindles, and a tool exchanging device having a tool support for the receipt of used and new tools, which is mo...	08/20/1985
4328847	Universal woodworking machine A pair of routers are serially mounted on a pivotable support on a cutting table such that the routers may be adjusted in unison relative to the table. In addition the routers are adjustable relative to each other in a seesaw manner about a central cuttin...	05/11/1982

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Class 409/217 - Plural cutters