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| Number | Title | Issue Date |
| 7374373 | Pocket hole drilling machine A pocket-hole drilling apparatus for drilling pocket-holes in a workpiece is disclosed. In one embodiment, an initiation switch actuates clamping the workpiece and the movement of a drilling module to cut a pocket-hole. The drilling module has a motor and a step-dri... | 05/20/2008 |
| 7361129 | Multi-axis automatic tool-changing system A multi-axis automatic tool-changing system for an automatic machining center which is disposed with a plurality of machining principal axes and a tool magazine. The tool magazine is disposed with a plurality of tool-changing positions located correspondingly to the... | 04/22/2008 |
| 7267512 | Power assisted drill press A power assisted drill press having a feed cylinder fed by a variable pressure regulator which allows a user to controllably feed a bit and work material together while activating a drill motor to rotate the bit. An embodiment of the power assisted drill press utili... | 09/11/2007 |
| 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 |
| 7210211 | Three ply bolted temporary road mats and apparatus for manufacturing same An apparatus for making temporary road mats characterized by multiple layers of mutually perpendicular elongated timbers having an array of vertical intersections aligned in lateral rows. The apparatus includes a gang drill that moves relative to a roughly assembled... | 05/01/2007 |
| 7134818 | Tool-holding system for high-accuracy calibration of holes The invention relates to the field of toolings for high-accuracy finishing through-holes and non-through-holes, such as for example for calibration, lapping operations. More precisely the invention refers to a tool-holding system for high-accuracy calibration of the... | 11/14/2006 |
| 7108459 | Power assisted drill press A power assisted drill press having a feed cylinder fed by a variable pressure regulator which allows a user to controllably feed a bit and work material together while activating a drill motor to rotate the bit. An embodiment of the power assisted drill press utili... | 09/19/2006 |
| 7083365 | Adjustable drilling apparatus and associated method The drilling apparatus of the present invention includes a platform and at least two independently adjustable members. The independently adjustable members position the platform relative to the structure such that the drilling tool is maintained in a predefined posi... | 08/01/2006 |
| 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 |
| 6960050 | Hole forming system with ganged spindle set A high throughput drilling system for printed circuit board hole formation. Two spindles are disposed at each spindle station, doubling the number of holes produced in a given time period. Each spindle in connected to an overhead linear drive by a mini slide. A firs... | 11/01/2005 |
| 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 |
| 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 |
| 6361254 | Process and apparatus for drilling holes in the shell of a cylinder Process and apparatus for operating an apparatus to drill holes in the shell of a paper machine cylinder. The apparatus includes a stationary framework supportable on the paper machine, a feed frame that is radially movable along the stationary framework ... | 03/26/2002 |
| 6287245 | Deep drilling device A deep drilling device suitable for drilling in workpieces, particularly crankshafts, holes at different positions and/or in different orientations relative to a work longitudinal axis, has a deep drilling unit and a work holding unit cooperating therewit... | 09/11/2001 |
| 6254317 | Triple gantry drilling system Methods for forming fastener holes in the construction of fuselage assemblies. The method utilizes a triple gantry drilling system with upper, left and right side gantries, within which are dedicated robotic deployment arms having an automatic tool change... | 07/03/2001 |
| 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 |
| 6203478 | Machine for drilling oil holes in crankshafts A machine for drilling oil-holes in crankshafts and the corresponding procedure. It can be used to drill one, two or more crankshafts per cycle. Each crankshaft can revolve on its own axis. The unit described is mounted on a horizontally-faced rotary tabl... | 03/20/2001 |
| 6176652 | Drilling machine with vacuum suction table A drilling machine primarily employed in drilling holes in a glass plate comprises a vacuum suction table for putting a glass plate thereon, a plurality of fasteners to fasten vacuum suction table on the glass plate, an adjusting screw for precisely posit... | 01/23/2001 |
| 6099449 | Process and machine tool for machining workpieces with two work spindles A process and machine tool for machining workpieces with two parallel work spindles fitted on a headstock. The distance between the work spindles is altered with the aid of a driven adjuster. The machine tool for machining workpieces, especially for numer... | 08/08/2000 |
| 5882286 | Drilling unit for printed circuit boards having two operating heads The drilling unit comprises a cross-piece secured to the base and two carriages supporting said two operating heads and sliding on said cross-piece. The two carriages are each displaced independently of one another along the axis by means of two nut and s... | 03/16/1999 |
| 5759140 | Method and apparatus for machining holes in crankshafts A crankshaft is mounted in a fixture which rotates the crankshaft about its longitudinal axis and which tilts the crankshaft about a horizontal axis to allow machining of holes such as oil holes at various rotational positions and at various tilt angles t... | 06/02/1998 |
| 5482409 | Part positioning and drilling end effector An end effector adapted for attachment to and accurate positioning by a robot is provided for positioning a right angle shaped workpiece at a desired position against a panel and drilling a pair of accurately located positioning holes through the workpiec... | 01/09/1996 |
| 5344259 | Method and device for drilling of holes into a mantle of a cylinder in a paper machine A method and device for drilling holes into a mantle of a cylinder used in a paper machine are disclosed. The drilling device includes a base frame and a spindle box displaceable on support of the base frame towards a cylinder mantle to be machined. The s... | 09/06/1994 |
| 5336025 | Multi-spindle machine tool A multi-spindle machine tool having separately and vertically movable first and second spindle units which are mounted on a main body thereof movable toward and away from a workpiece. A first vertically movable table is supported by a pair of guide rails ... | 08/09/1994 |
| 5277524 | Puncher A puncher comprising two drills held on chucks attached on shafts combined with gears provided in two front seats and a rear seat able to be changed in their position so as to change the distance between the two drills, the front seats and the rear seat b... | 01/11/1994 |
| 5214976 | Drive system Combining a plurality of two dimensional drive systems, a plurality of moving bodies can be independently moved by each of the two dimensional drive systems. Therefore, tools, robot-heads, work, etc. attached to the moving bodies can be moved independentl... | 06/01/1993 |
| 5205683 | Device for working plate-shaped members The invention relates to a device for working plate-shaped members, provided with a frame having means for supporting said plate-shaped members and with tool holders supported by said frame, said tool holders carrying tools intended for working on the pla... | 04/27/1993 |
| 5205682 | Adjustable dual bit drilling machine A hand-held automatic drilling machine includes an expandable locating collet or locating pin, a pair of adjustably mounted drill bits for simultaneously drilling a pair of spaced-apart openings in a workpiece and a rotary drive motor for the drill bits. ... | 04/27/1993 |
| 5161289 | Header machine A header machine for drilling specified hole patterns in pipe and for cutting the pipe to a specified length to form headers for use in heat transfer products. The header machine includes hold clamps for selectively holding the pipe during the processing ... | 11/10/1992 |
| 5147160 | Thin panel drilling method and apparatus The invention is directed to a method and apparatus for selectively and simultaneously drilling a plurality of holes in thin panels such as printed circuit boards, while providing for automatic changing of the drill bits, individually or plurally, as requ... | 09/15/1992 |
| 5036574 | Multiple piercing apparatus and method A multiple piercing apparatus for piercing a workpiece having a plurality of reference marks defining the piercing locations. A plurality of adjustably movable piercing unit cases are opposedly arranged on opposite sides of a machine bed. A piercing eleme... | 08/06/1991 |
| 5028176 | Glass drilling machine with cooling fluid back pressure control system A glass drilling machine for drilling holes in a sheet of glass in which each hole is partly drilled from one side of the sheet and is then finish drilled from the opposite side. The machine is made up of aligned first and second drilling devices which ar... | 07/02/1991 |
| 4955763 | Glass drilling machine A glass drilling machine for drilling holes in a sheet of glass in which each hole is partly drilled from one side of the sheet and is then finish drilled from the opposite side. The machine is made up of aligned first and second drilling devices which ar... | 09/11/1990 |
| 4915549 | Multiple bore drilling apparatus Mobile drilling apparatus enables drilling of a plurality of bores in a building wall or the like, concurrently or sequentially or in groups, for the purpose of attaching slabs, panels, siding or other facing material to the wall or for anchoring concrete... | 04/10/1990 |
| 4872788 | Multi-spindel drilling machine A multi-spindle drilling machine for simultaneously drilling a plurality of holes, in particular suitable for drilling a plurality of tiny, closely-spaced holes, comprising a drivable drive wheel coacting with a plurality of friction wheels, each connecte... | 10/10/1989 |
| 4850754 | Automatic drilling machine A drilling machine operable to drill holes in desired patterns and diameters in circuit boards and similar items and the machine is provided with a base upon which a planar support is movable parallel to the base respectively in directions transverse to e... | 07/25/1989 |
| 4730373 | Machine tool for multiple surface machining The invention relates to a machine tool for multiple surface machining having a work supporting device provided on a base and having a work supporting portion which is freely rotatable and freely adjustable in a vertical position, a slide base freely adju... | 03/15/1988 |
| 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 |
