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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 |
| 7343685 | Thread verification and chasing apparatus and method A thread checking apparatus and method for threaded bores in small plastic parts, in which a threaded tap is mounted to rotate on a fixed axis at a workstation, the workstation having guide structure associated with the rotating tap to slidingly engage and guide a p... | 03/18/2008 |
| 7275897 | Drilling machine for panels A drilling machine for drilling variable-thickness on-edge supported wood, plastics material, aluminum panels, comprises a bottom intermittent conveyor for abutting against a bottom edge of a panel and horizontally conveying a panel to be processed to a tool bearing... | 10/02/2007 |
| 7090446 | Optical lens drill press An optical lens drill press outfitted with specialized lens holding and displacement platform assemblies that allow the user to manipulate the angle and hold lenses in position, whereby selected areas pre-designated for the fabrication of apertures can be produced a... | 08/15/2006 |
| 7025541 | Drilling device for frameless glasses A drilling device for frameless glasses with a drill head (34), which can be moved up and down. The drill head (34) can be inclined to either side and a holding device (50, 56, 58) is provided for the two lenses of a pair of glasses, in which ho... | 04/11/2006 |
| 6109840 | Method and device for aligning a workpiece on a machine tool table The workpiece or pack of printed circuit boards is fitted to a clamping fixture carried by the table and is machined by a machining head; the head and the table being movable with respect to each other along two coordinate X, Y axes. The aligning method i... | 08/29/2000 |
| 5785469 | Working apparatus An apparatus for cutting a piece of work has a work supporting table which is movable only in one horizontal direction, and a spindle unit including a cutting tool which is disposed below the table for cutting the work from below. The spindle unit is mova... | 07/28/1998 |
| 5782585 | Precision drill for drilling noncircular bores A precision drill for drilling noncircular bores, comprising a drill bit on a shaft and a holder for the workpiece being drilled, for providing a drill that can operate economically at high speeds. The workpiece holder oscillates translationally in at lea... | 07/21/1998 |
| 5711641 | Method and device for loading and unloading printed circuit boards on a machine tool The device presents a number of supports associated with a number of machining heads and located at the front of the machine. For each machining head, the supports are located on two superimposed surfaces for respectively supporting a pack of boards for l... | 01/27/1998 |
| 5354153 | Machine tool part loading and unloading method and device particularly for machining printed circuit boards On a drilling machine for drilling packs of printed circuit boards, the packs are loaded and unloaded between a support and the work table by engaging a pin on the pack via a pair of jaws and by moving the table longitudinally. The pack is retained by a b... | 10/11/1994 |
| 5315904 | Apparatus for cutting inner circumferential surface of thick walled small diameter pipe A device for cutting the inner circumferential surface of a thick-walled small diameter pipe comprising a setting means for inserting a core bar having a cutting blade on one end thereof into a pipe to be processed, a rotating means for rotating said pipe... | 05/31/1994 |
| 5109584 | Printed circuit board adapter supplying apparatus and method for use in printed circuit board drilling apparatus An apparatus and method for supplying a printed circuit board to a printed circuit board drilling machine and for returning the printed circuit board after the drilling. A stocker stores a plurality of printed circuit boards in a tilted state, and a plura... | 05/05/1992 |
| 5064318 | Precision guidance apparatus A guided member is engaged with a guiding member and the guided member and guiding members are movable relative to each other. A pair of planar, parallel guide surfaces on the guide member are engaged by a pair of bearings mounted on the guided member. On... | 11/12/1991 |
| 5056964 | Machining apparatus A machining apparatus for machining a work piece wherein the work piece is held above the work stations of the machine tool base so that chips will fall downwardly during machining operations. The tools are successfully indexed to the work station so that... | 10/15/1991 |
| 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 |
| 5023983 | Device for producing mounting bores or valve bores in a wheel disk A device serves for producing mounting bores or valve bores in a wheel disk and/or a rim of a wheel of a motor vehicle. The bores are at least partly inclined relative to a center axis of the wheel. A fixture serves for mounting the wheel. A motor-operate... | 06/18/1991 |
| 4964476 | Drilling device for producing drill holes with an undercut A drilling device for producing drill holes with undercuts and comprising a drill bit, a drill bit holder for receiving the drill bit and having a suction chamber, and a suction bell surrounding the drill bit holder and communicating with the suction cham... | 10/23/1990 |
| 4913599 | Drill for flexographic plates and negatives A drill (10) for flexographic plates and negatives includes a table (15) movable in a Y direction under a drill bar (30), and a pin bar (25) movable in an X direction on the table so that negatives can be supported on the table, moved to an appropriate po... | 04/03/1990 |
| 4867297 | Board exchanging apparatus A board exchanging apparatus comprising a first transfer device for transferring boards along a transferring path connecting a processing device and a feeder between the feeder and the transferring path, a second transfer device for moving a liftable boar... | 09/19/1989 |
| 4824310 | Automated work-piece handling system for machine tool An automated workpiece handling system for use with a machine tool having a plurality of workstations spaced along a longitudinally movable, elongate workpiece comprising a first cart for transporting workpieces to one end of the tooling machine, adjacent... | 04/25/1989 |
| 4789275 | Boring stand A boring stand for supporting engine blocks or cylinders which are to be bored that has a moveable platform which is slidably mounted on a vertical upright of a stand and has polyethylene wear plates engageable with a vertical upright. The moveable platfo... | 12/06/1988 |
| 4786216 | Printed circuit board drilling machine A printed circuit board is supported at its peripheral portion and is moved and positioned by a drive mechanism. During the drilling of a hole in the circuit board, the thrust of the drill acting upon the circuit board is born by a sliding contact surface... | 11/22/1988 |
| 4764061 | Clamping mechanism for an automatic drilling machine An improved clamping mechanism for clamping a workpiece as it is moved through an automatic drilling machine. A workpiece, such as a wide flange beam, is supported and conveyed on a plurality of lower rollers, and a group of upper rollers are moved into c... | 08/16/1988 |
| 4480364 | Workpiece holding and alignment device An adjustable holding and alignment device is provided for a workpiece having alignment pins. The device has a plurality of bars separated by spacers which define an alignment hole and an alignment slot through which the workpiece alignment pins may be in... | 11/06/1984 |
| 4455726 | Chamfering apparatus for end faces of tubular members A chamfering apparatus for opposing end faces of a tubular member. The apparatus includes an abutment member capable of advancing toward or being retracted from a line of extension of the longitudinal axis of the tubular material so as to collide with the... | 06/26/1984 |
| 4280775 | Hole drilling machine and work positioning system A system for controllably positioning printed circuit boards or the like for the automatic drilling of holes therein. A plurality of individual work positions is provided, together with corresponding work carrier plates having individual or groups of circ... | 07/28/1981 |
| 4225273 | Apparatus for threading rods A hollow drive spindle is rotatably mounted on a base and carries a self-opening threading die; and the spindle is driven by a suitable electric drive motor. An air operated collet chuck is mounted on a carriage, for reciprocating the chuck in longitudina... | 09/30/1980 |
| 4174917 | Doweling guide A workpiece supporting doweling guide for use in combination with a radial arm saw having a drill bit operated by the saw motor. The guide includes a flat base overlying the saw platform at one side of the radial arm. An intermediate plate and a workpiece... | 11/20/1979 |
| 4064585 | Thread cutting machine An automatic thread cutting machine for nuts and similar mass-produced parts where the nuts or the like are taken from a magazine and moved through a feed trough into a guide where they are held secured against rotation and are then pushed by means of a p... | 12/27/1977 |
