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| Number | Title | Issue Date |
| 7354227 | Apparatus and method for manufacturing plastic frameworks such as window frames A production line for carrying out machining and cleaning operations on rectangular frameworks, is provided. Elongate plastic frame members are welded together in a welding machine, thereby forming two rectangular frameworks located one above the other. These are mo... | 04/08/2008 |
| 7258514 | Machine tool comprising parallel tool spindles that can be repositioned in relation to one another A machine tool is provided, in particular for the synchronous machining of workpieces. The tool includes two or more spindle units (2, 3), which run parallel in a machining unit and are designed to hold tools and repositioning devices for the precise adjustme... | 08/21/2007 |
| 7213315 | Machine tool provided with pallet changing module The invention relates to a machine tool, in particular to cutting machine tools. The inventive machine tool comprises at least two machining modules provided with at least one spindle with a horizontally oriented axis and at least one clamping module having a toolin... | 05/08/2007 |
| 7171872 | Adjustable mechanical screwdriver An adjustable mechanical screwdriver, having a receiving housing, gear housing and a deflection bevel gear. A small structural size is achieved because the driveshaft protrudes with a bearing shoulder at the drive bevel gear in a direction of the bearing shaft, whic... | 02/06/2007 |
| 7066692 | Dual chuck electrical hand drill A drill comprising: a power head having a first chuck positioned on a first end and a second chuck positioned on an opposite second end of the power head; a handle attached to the power head, the handle having a trigger switch for controlling a drive motor coupled t... | 06/27/2006 |
| 7065856 | Machine tool method A machine tool apparatus is provided employing a plurality of tool heads which may be sequentially or simultaneously automatically controlled to perform preprogrammed operations on either the same or different workpieces. In one form, a plurality of tool heads are s... | 06/27/2006 |
| 7059812 | Portable, hand-held multiple bit drill A portable hand-held multiple bit drill imparts a set of linearly aligned work areas of a work piece, which work areas are respectively and simultaneously drilled by the respective drill bits. A rotary power source communicates with a hand-held body holding a plural... | 06/13/2006 |
| 7025542 | Guide device for workpiece machining head, machine having the same, and guide method There is provided a guide device for a machining head capable of machining a workpiece such as a cylinder head of an engine accurately, a machine having the guide device, and a guide method. At least one of guide posts formed in a guide post member has an air pressu... | 04/11/2006 |
| 7008151 | Power driver having geared tool holder A power driver includes a motor and a spindle having a distal end thereof opposite the motor. The distal end has an axial bore formed therein. A gear assembly is disposed operatively between the motor and the spindle so that the motor rotationally drives the spindle... | 03/07/2006 |
| 6854168 | Method and apparatus for forming openings in polymeric tubing In a method and apparatus for perforating multiwall polymeric cylindrical tubing, a drill head is slidably mounted for reciprocating movement on a support frame between inlet and outlet stations, the drill head having at least one drill for forming an opening in the... | 02/15/2005 |
| 6824334 | Driving assembly for driving a plurality of mandrels A driving assembly for driving a plurality of mandrels comprises a supporting carriage supporting a plurality of mandrels, adjoining one another along a parallel direction to the carriage driving direction, and clamping means for removably clamping the individual ma... | 11/30/2004 |
| 6569071 | Reconfigurable multi-spindle apparatus A reconfigurable multi-spindle apparatus for use with a machining device in a plurality of configurations across part families. In one embodiment, the reconfigurable multi-spindle apparatus may include at least two spindle head modules, a mechanism for tr... | 05/27/2003 |
| 6550129 | Portable computer numeric controlled manufacturing machines and associated methods A workpiece is assembled by removably mounting an alignment tool to a conventional wing structure so that the alignment tool holds multiple conventional strut fittings to the wing structure. A frame of a CNC manufacturing machine is moved to and removably... | 04/22/2003 |
| 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 |
| 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 |
| 6264405 | Method and device for drilling holes into the mantle of a cylinder or equivalent of a paper machine Method and device for drilling holes into a mantle of a cylinder of a paper machine, in particular a drying cylinder, while the cylinder is in its site of operation in the paper machine in which a drill carriage having drill bits is supported on the cylin... | 07/24/2001 |
| 6244793 | Hinge drilling attachment An attachment that allows a drilling machine, such as a drill press, to simultaneously bore the plurality of holes required for mounting a hardware component to a workpiece. In an exemplary embodiment, the attachment is adapted to simultaneously bore, in ... | 06/12/2001 |
| 6231279 | Drilling machine with at least two machining heads for machining printed circuit boards The drilling machine has a cross member along which slide two carriages supporting two machining heads; the two carriages are moved independently of each other along the X axis; one of the two machining heads is fitted to the respective carriage by means ... | 05/15/2001 |
| 6089797 | Thermal equalization system In a thermal equalization system a machine tool carriage preferably of aluminum but which could be made of other lightweight materials, a drilling spindle housing is mounted on the carriage. At least one spindle housing is be mounted said carriage to serv... | 07/18/2000 |
| 5966798 | Progressive-feed processing apparatus A long length product is conveyed by a conveyor to a propulsion mechanism into contact therewith. The product is gripped by a first conveyor line vise and cut at its tailing end side into a specified dimension. The product is advanced by the propulsion me... | 10/19/1999 |
| 5927909 | Method and device for drilling holes into a mantle of a cylinder of a paper machine A method for drilling holes into a mantle of a cylinder of a paper machine while the cylinder is in its site of operation in the paper machine. The holes are drilled into the cylinder mantle by a drilling device having drill bits and which is transferred ... | 07/27/1999 |
| 5908270 | Multi-spindle machining apparatus and multi-spindle machining method The present invention relates to the multi-splindle machining apparatus which carries out machining of the discontinuous surfaces of a plurality of workpieces simultaneously, and in order to restrain the amplification of chattering, oscillation or the lik... | 06/01/1999 |
| 5621964 | Method for making toolhead assembly for machine tools A toolhead assembly for a machine tool generally consisting of a housing supportable on the machine tool and having at least one elongated bore therein, a liner formed of a structural polymer material disposed in the bore, adhesively secured to the housin... | 04/22/1997 |
| 5603590 | Multispindle thread cutter apparatus A multispindle thread cutter apparatus is proposed, which has a drive shaft (3) to be driven by motor and which has a plurality of work spindles (4). Interposed between the drive shaft (4) and the work spindles (4) is a distributor and reversing gear (33)... | 02/18/1997 |
| 5482412 | Cutting tool A slider 16 having a cutting insert 5A is slidably mounted in a groove 11 formed along the generatrix dimension of a substantially conical tool body 1. Serrations 12 and 16a, which are brought into close contact with each other for engagement, are formed ... | 01/09/1996 |
| 5471724 | Toolhead assembly for machine tools A toolhead assembly for a machine tool generally consisting of a housing supportable on the machine tool and having at least one elongated bore therein, a liner formed of a structural polymer material disposed in the bore, adhesively secured to the housin... | 12/05/1995 |
| 5419662 | Hinge installation tool A drilling device for boring holes in wood, plastic or metal in precise locations on a work piece, comprising a set of geared together shafts equipped with drilling bits. The bit holder shafts are guided by bearings housed in a frame biased upwardly by sp... | 05/30/1995 |
| 5378090 | Adapter for drilling machines To retool drilling machines having at least two drill spindles with coupling members for drill bits with a different pattern of drilled holes, an adapter is provided including a housing with two mutually parallel input shafts whose distance apart correspo... | 01/03/1995 |
| 5217331 | Hardware installation tool An in line drilling device for boring holes an equal distance from one another in wood, plastic or metal, comprising a set of geared together shafts equipped with drilling bits. The bit holder shafts are guided by bearings housed in a frame biased upwardl... | 06/08/1993 |
| 5149230 | Rotating dual attachment receptacle apparatus tool A rotating dual attachment receptacle apparatus tool which allows the operator to use more than one tool accessory without the need of frequent changing of the drilling, driving or fastening accessory. The rotating apparatus tool has three (3) major parts... | 09/22/1992 |
| 5092715 | Method of piercing a plate, of any configuration, with a very high perforation density and products thus obtained The invention is directed to a method of forming a large number of holes in a given area. A plurality of tools spaced along X and Y axes are used to form holes simultaneously, and the tools are successively moved in steps to drill more holes.... | 03/03/1992 |
| 5089062 | Drilling of steel sheet A steel sheet (10) having a stress-relief annealed, structure with a plurality of magnetic domains (12) is made by drilling a plurality of closely spaced, small holes (15) through the entire thickness of the steel sheet, where the drilling is effective to... | 02/18/1992 |
| 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 |
| 5060363 | Apparatus and method for forming holes in thermoplastic webbing An apparatus and method for forming a hole in webbing constructed of thermoplastic material utilizes a clamping assembly for holding the webbing in a stationary condition for working thereon, a rotatable drilling tool having an elongated shank with a lead... | 10/29/1991 |
| 5044841 | Valve seat bushing machining apparatus Apparatus for machining a valve seat and valve stem guide all from the valve seat side of a head or block. The valve seat is machined in one pass by a single point cutting tool which is moved on two axes and, the valve guide bore is machined by a reamer. ... | 09/03/1991 |
| 5033174 | Yoke assembly system for large scale mechanical assembly operations A C-shaped yoke (42) extends over the top of a fixture (10) containing a part to be assembled. A first support frame (70) is supported on the fixture (10) and moves longitudinally therealong. A second support frame (94) is secured to the yoke (42) and is ... | 07/23/1991 |
| 5004381 | Drilling machine for planar face and/or end face drilling on panel-type workpieces or panel blanks A drilling machine for planar face and/or end face drilling on panel-type workpieces or panel blanks which offers advantageous machining possibilities is described. Associated with the drilling machine on its operating side opposite the workpiece advancin... | 04/02/1991 |
| 4917549 | Boring machine A boring machine provides a pair of motor-driven drills mounted to a template so that the drill chucks are aligned in parallel, side-by-side arrangement in a housing beneath the template. A guide mechanism, including a front plate with a pair of guide hol... | 04/17/1990 |
| 4917548 | Pattern drilling machine for securing roofing insulation A lightweight machine for drilling a pattern of fastening holes in panels of installed roofing insulation is movably supported on rollers that rest on the panels without substantially deforming them. The machine is maneuvered by a handle, and vertical mov... | 04/17/1990 |
| 4836719 | Method and apparatus for machining valve seats and valve stem guides in a deep-walled engine monoblock workpiece Valve seats are machined at the end of an axially deep, narrow cavity of a workpiece having an axially clampable surface within the cavity adjacent one or more valve seats. The method comprehends: (a) supporting a rotary driven spindle assembly of suffici... | 06/06/1989 |
