Class 408/43 - With plural simultaneously operational work stations

Subclass of Class 408 - Cutting by use of rotating axially moving tool
Definition: Device including more than one work-supporting surface for
No. of patents: 31
Last issue date: 11/28/2006

Number	Title	Issue Date
7140813	Line boring machine An up modifier is provided which includes a bed, a modifier, a clamp, a modifier linkage system, a clamp linkage system, and a lever. The modifier is disposed below the bed and is vertically traversable thereunder. The clamp is disposed above the bed and is vertical...	11/28/2006
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
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
6865788	Numerical-control milling machine A numerical-control milling machine having a supporting frame; a worktable fitted to the supporting frame so as to oscillate about a substantially horizontal first axis of rotation, and in turn having two rotary platforms, each for accommodating a workpiece; and two...	03/15/2005
6833524	Multi-station electrical discharge machining with manufacturing interrupt reduction An electrical discharge machining apparatus is provided with at least two work stations. A first servomotor is mounted above the first and second work stations, and a second servomotor mounted to the first servomotor so as to be selectively positioned over either of...	12/21/2004
6711804	Machining center A machine tool in which a plurality of machining positions is orbited by a work spindle unit carrying a workpiece and capable of radial displacement relative to the central axis of rotation. The work spindle unit may be one of one or more such units mounted upon a b...	03/30/2004
6623219	Printed board processing machine Nuts 22, 23 are engaged with one ball screw 10, and the nut 22 is directly fixed on a slider main body 7s. The nut 23 is rotatably held by a bearing 25, and a bearing holder 24 holding the bearing 25 is fixed on a slider main body 7t. And, a gear 26 is fi...	09/23/2003
6345939	Apparatus for machining, especially drilling of structural shapes An apparatus for drilling structural shapes such as angles, I-beams and H-beams has sliders shiftable transversely to the beam along vertical and horizontal members of a frame through which the beam is passed. At least one of the sliders can have a rotata...	02/12/2002
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
5920973	Hole forming system with multiple spindles per station 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 sl...	07/13/1999
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
5833410	Chamfer forming apparatus for a crank shaft oil hole A chamfer forming apparatus for a crank shaft oil hole is provided with a spindle chuck which is variably moved in response to different locations of a crank shaft oil hole inlet portion. The invention includes linearly translating rack gear driven by an ...	11/10/1998
5787566	Method and apparatus for cutting flat stock A method and apparatus are provided for cutting through flat stock with at least one cutting tool, such as a torch, drill, or the like. The stock is supported in a plane defined by X and Y axes of a mutually orthogonal X, Y, and Z-axis coordinate system. ...	08/04/1998
5584788	Machine for mechanically machining boards, in particular printed circuit boards A machine presenting a worktable movable along a first axis; and a crosspiece fitted with a number of machining heads and movable along a second axis perpendicular to the first axis. The crosspiece presents a box structure, and two end portions guided on ...	12/17/1996
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
5265986	Multiple spindle machine for drilling, milling or the like A multispindle machine for drilling, milling or the like of workpieces has several spindles mounted on at least one crossbeam rail (4), and the workpieces and spindles can be displaced relative to one another along X and/or Y coordinates. To minimize mach...	11/30/1993
5230685	Machine tool for machining printed circuit boards A machine tool has a work table movable in a first direction on a frame. Operating units such as drills fitted with rotating tools are mounted on the frame in a manner movable in a direction perpendicular to the said first direction. Means are provided to...	07/27/1993
5154546	Method for drilling multilayer printed circuit boards The invention is directed to a method for drilling multilayer printed circuit boards, and is also directed to a printed circuit board drill for the implementation of this method. When, based on a known measuring procedure, an offset of the interior layers...	10/13/1992
5076123	Single spindle drive assembly A single spindle drive apparatus for a conventional single or multiple spindle machine derives power directly from the main machine drive and provides increased operating speed. The drive apparatus includes at least one pair of speed change gears and a sp...	12/31/1991
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
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
4653557	Slot cutting machine A cross slide for receiving and locationally holding an elongate workpiece, such as a picture frame member, is supported upon a carriage which is reciprocally movable along an axis which is parallel to the longitudinal axis of the workpiece. The cross sli...	03/31/1987
4596067	Drilling machine for boards, particularly of printed circuits The drilling machine comprises a pair of cross slides formed of two parallelepiped blocks of granite connected as a T above a horizontally stationary board carrying table. The transverse block carries two operating heads and, by means of pneumostatic bear...	06/24/1986
4454645	Multiple station drilling apparatus A multiple station drilling apparatus is used for performing a large number of repetitive but variable machining operations, and includes a turntable having a plurality of workpiece holding fixtures distributed in spaced relation around its periphery, a p...	06/19/1984
4400120	Apparatus for removing temporary side terminals from batteries An apparatus for removing temporary side post terminals of at least one multi-celled battery case for lead acid automobile batteries is disclosed. The subject apparatus comprises a horizontal transversely reciprocating work station containing a plurality ...	08/23/1983
4182205	Turret type metal working machine A turret type machine tool indexable to selected positions with a plurality of identical tools supported in each of the indexed positions to work on a like number of rotatable workpieces. The tool carrying turret is indexable about an axis located in the ...	01/08/1980
4088417	Method and apparatus for high speed, high precision drilling and machining A drill may be fed into a workpiece at a rate where the angle descent is less than the primary relief angle of the drill and wherein the extruding action takes place in 1/3 or less of the drill diameter. Unachieved rates of drill feed speed with high prec...	05/09/1978
4025978	Feeding device for multi-headed radial type nut tappers A feeding device for multi-headed radial type nut tappers. The device includes a drum having a plurality of sliding guides provided on the exterior walls thereof, and a rotary hopper provided around the upper periphery thereof, and coaxial therewith. The ...	05/31/1977
4012803	Multiheaded radial type nut tapper A multiheaded radial type nut tapper having a plurality of push rods arranged in a radial fashion and driven by a cam arranged so that at each revolution of the cam, a number of finished products will be obtained....	03/22/1977
3976386	Drill head guiding control for multiple drills A frame structure supports a work surface above which there is provided an elongated head number supporting a series of drills. A torque tube having an axis parallel to and spaced from a line passing through the series of drills is mounted to the frame st...	08/24/1976

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Class 408/43 - With plural simultaneously operational work stations