Class 29/50 - Multiple-tool holder

Subclass of Class 29 - Metal working
Definition: Apparatus including a single element intended to support
No. of patents: 33
Last issue date: 05/29/2012

Number	Title	Issue Date
8186032	Tool arrangement for the production of helical teeth in gear wheels Tool arrangement for the production of helical teeth in gear wheels, wherein a roughing hob (20), at least one deburring cutter (16, 18) and a finishing hob (12) can be fastened on a common mandrel (14) in a predetermined rotational posit...	05/29/2012
8171608	Tool and method for machining a workpiece, such as a milling tool for machining a workpiece, and the method thereof Tool and method for machining a workpiece, such as a milling tool, including at least one cutting insert and including a grinding wheel, for machining a workpiece, and the method thereof. The grinding wheel is axially extendable relative to a base body of the tool v...	05/08/2012
7451534	Valve seat and valve guide machining tool A valve seat and valve guide machining tool for the precision machining of valve seats and valve guides in a cylinder head of an internal combustion engine is disclosed, comprising at least two tool parts (3,5) of which a first comprises at least one geometri...	11/18/2008
7404347	Noncircular working device A working device of a noncircular workpiece, such as a piston of an internal combustion engine, is improved. A workpiece 10 is held by a work spindle and rotated. A noncircular working device 100 has a noncircular working unit base 110 and is pr...	07/29/2008
7363692	Tool and method for fine machining work pieces A tool for fine machining of work pieces involving metal removal is proposed having at least one cutter (13) for preliminary machining with a geometrically defined cutting edge (15) and having at least one cutter (21) for final machining with a ...	04/29/2008
7353586	Method of horizontally stacking a stator core within a stator frame The present invention provides a method for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial length of the frame. The laminations 10 have groo...	04/08/2008
7308745	Method and device for edge-machining of a plastic optical lens and a combination tool therefor An edge-machining device in particular plastic spectacle lenses (L) has two aligned holding shafts (14, 16) rotatable with a controlled angle of rotation (φB) about a rotational axis of a workpiece (B) between which the lens may be clamped and a t...	12/18/2007
7305746	System for removing heat transfer fins from, and beveling the ends of, boiler tubes A system is disclosed to use a first rotary milling head to break or cut the bond of a heat transfer fin base to a boiler tube, thereby removing the heat transfer fins from the boiler tube, and a second rotary milling head to bevel the exposed end of the boiler tube...	12/11/2007
7252582	Optimized grooving structure for a CMP polishing pad A polishing pad for a chemical mechanical polishing has a body rotatable in a predetermined direction and having a working surface, the working surface being provided with grooves, the grooves being formed so that over the course of a single revolution of the pad sa...	08/07/2007
7234224	Curved grooving of polishing pads A method is provided for forming grooves in a polishing pad useful for planarizing a substrate in a chemical mechanical planarization process. The method maintains average velocity as a function of bit diameter to enable groove formation using a rotating bit, whereb...	06/26/2007
7171735	Shape member manufacturing apparatus and shape member manufacturing method The invention provides a shape member manufacturing apparatus and a shape member manufacturing method which aims at cutting and grinding a joint projection 8B formed when a plurality of shape members are joined together by welding or friction stir welding, in...	02/06/2007
7155788	C-axis driving device of a computer numerical controlled lathing and milling machine A C-axis driving device of a computer numerical controlled (CNC) lathing and milling machine includes a spindle, an encoder, a spindle motor, and a servo motor. The spindle has a clamping device and a transmission portion. This encoder connects with the transmission...	01/02/2007
7140088	Turning tool for grooving polishing pad, apparatus and method of producing polishing pad using the tool, and polishing pad produced by using the tool Disclosed is a turning tool for cutting circumferential grooves into a surface of a polishing pad formed of a resin material and utilized for polishing semiconductor devices. The turning tool comprising a cutting part arranged to have a tooth width within a range of...	11/28/2006
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
7125205	Cutting tool for rough and finish milling A milling cutter comprises a cutter body having two concentric annular rings. An outer ring is provided for rough milling and includes a plurality of cutting inserts equally spaced about the periphery of a cutter body. An inner finish ring comprises a ring member ha...	10/24/2006
7017246	Turning tool for grooving polishing pad, apparatus and method of producing polishing pad using the tool, and polishing pad produced by using the tool Disclosed is a turning tool for cutting circumferential grooves into a surface of a polishing pad formed of a resin material and utilized for polishing semiconductor devices. The turning tool comprising a cutting part arranged to have a tooth width within a range of...	03/28/2006
6865787	Numerical control (NC) processor with onboard grinding unit A numerical control (NC) processor with an onboard grinding unit is disclosed in which a workpiece is first cut in a preselected contour with a Y-axis cutting tool, and then subjected to honing operation intact whereby both the cutting and honing operations can be p...	03/15/2005
6842954	Gear tooth and thread grinding machine The invention concerns a machine for the chip-forming machining and the measurement of gears and screw-type workpieces. Arranged on a swivel head (6) swivellable about an axis (A) at right angles to the rotary axis of the workpiece (4) are functional u...	01/18/2005
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
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
6081980	Ecliptic drive A drive apparatus for a simultaneous operation machine includes a plurality of pulleys and drive belts in a unique orientation to simultaneously drive a plurality of spindles. A first outer spindle is driven about a first axis of rotation to perform a fir...	07/04/2000
6070312	Multiple operator station for machine tools Multiple operator station (1) for machine tools designed in particular for chip removal along several axes, comprises several operator units (3,4,5) suitable for coupling with a tool or a workpiece, these operator units (3,4,5) being fitted on a bearing s...	06/06/2000
6032344	Multiplexing of pneumatic tooling A system for operation of pneumatic tooling has a plurality of pneumatically operable tools (2). A servo-controller (21) is switchable to actuate any of the plurality of tools, to move that tool to a desired position. A position transducer (4) includes an...	03/07/2000
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
5564168	Vertical multi-drill spindle-fluid adapter An adapter is provided for connecting a vertical multi-drill with drill bits having thru-shank cooling fluid passageways....	10/15/1996
5367754	Gang tooling for a computerized numerically controlled lathe A gang tooling is disclosed for a lathe having a main spindle with an axis of rotation, a longitudinal carriage movable along a z-axis parallel to the spindle axis and a cross-slide carried by the longitudinal carriage and movable along a x-axis transvers...	11/29/1994
5075530	Multi-head type of electro-discharging machine A multi-head electro-discharging machine, in which each head member has an independent transmission assembly; the head member can move in X-axis, Y-axis and Z-axis directions by a guide screw rod; every head member can be adjusted independently for operat...	12/24/1991
4972987	Plant equipped with revolving tool assemblies for welding automotive vehicle bodies in a single processing station A plant for welding automotive vehicle bodies that are conveyed in succession in an assembly line to a single processing station having equipment for positioning, holding and welding different types of automotive bodies, a pair of opposed stationary frame...	11/27/1990
4955119	Multi-task end effector for robotic machining center A multiple-task end effector attachment for the articulated head of a computer controlled robotic machining center capable of imparting multi-axis linear and rotational movements to the end effector which comprises opposingly aligned master and slave rela...	09/11/1990
4910841	Multistation working machine with working unit coupling and stairstep guides An index plate (9) is moiunted on a shaft (7) which is supported against axial displacement on a machine frame (1) and is stepwise rotatably drivable, said plate carrying clamping devices (10) arranged around the shaft and each intended for one workpiece ...	03/27/1990
4905884	Apparatus for welding motor vehicle bodies Apparatus for welding motor vehicle bodies which have previously been assembled loosely comprises a station for the forming and welding of the body, a conveyor line for transporting the loosely preassembled bodies to the station, at least two pairs of for...	03/06/1990
4305189	Attachment member for multiple-spindle head Disclosed is an attachment member for a multiple-spindle head, which is used for attaching the multiple-spindle head to a quill of a drilling machine, a tapping machine or the like. This attachment member is attached to the quill through a cylinder having...	12/15/1981

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Class 29/50 - Multiple-tool holder