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5299894 |
Workpiece positioning and drilling end effector
An end effector adapted for attachment to and accurate positioning by a robot is provided for positioning a channel-shaped workpiece at a desired position and drilling an accurately located...
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5288181 |
Rethreading tool
A rethreading tool (10) for reconditioning and rethreading the threads (62) of a stud (60) is described. The tool includes a moveable jaw (26) having an extension (26A) pivotably mounted into a...
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5285598 |
Method for drilling a processed hole to a hard but brittle material and a device therefor
A rotating diamond core drill is contacted with a hard but brittle material, and by keeping contact relation with the material, drilling operation is continued to drill a hole to the material....
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5281056 |
Indexing nose couple
An indexing coupling for a drill includes a hollow inner race, a hollow outer race, and a sleeve member. The hollow inner race and hollow outer race are affixed to one another by a plurality of...
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5267818 |
Arrangement for providing planar movement of a machine tool
An arrangement for providing universal movement of a machine tool is provided in which there are parallelogram linkages, one of which has a link which maintains parallelism with a worktable and is...
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5259706 |
Thread repairing tools
A threading tool for repairing, in situ, threads within a bore of a head of an internal combustion engine without the danger of particulate waste falling into the engine housing. The threading tool...
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5251510 |
Ring gear fixture and machining process therefor
The present invention relates to a fixture and method for positioning and holding a gear to be machined, as for example in a ring and pinion gear set for vehicle axles. The fixture includes a base,...
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5246316 |
Work table orientation apparatus and method
A method of precisely calibrating a spindle position with respect to a drilling apparatus worktable. The drilling apparatus includes a control device, which calculates an expected relative position...
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5221165 |
Camshaft bore machining method and apparatus
A method, machine tool and boring bar for machining bores in a series of concentric journals for a camshaft in a cylinder head or block of an engine. The boring bar has an elongate and cylindrical...
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5209614 |
Template positioning jig
An template positioning jig. In a preferred embodiment, a deformable member is used which is deformed inwardly along a first axis such that it bulges or otherwise deforms outwardly along a second...
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5205686 |
Apparatus and method for hydraulically fed cuttings removal and collection for cutting type machine tools
An apparatus and method for the hydraulic removal and collection of cuttings from machine tool systems. The present invention provides a cutting removal and collection system comprising a housing...
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5205681 |
Mechanical peck drill and method
A mechanical pecking method and device is provided wherein a spindle adapted to hold a tool such as a drill bit is mechanically reciprocated in a workpiece. Also provided is a control system and...
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5203855 |
Method of mist lubrication, chip vacuum and coil cooling
A method of mist lubrication of a drill, suctioning chips cut by the drill, and cooling the coil of an electromagnetic riveter includes aligning the open top of a drill/suction cavity of a movable...
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5203650 |
Method and apparatus for drilling holes
A method and apparatus is disclosed for drilling holes, each having a substantially similar and desired depth. Apparatus 10 includes a limit switch 42 which deactivates motors 20 and 33 and light...
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5201795 |
Rock bit manufacturing method
Method and apparatus for forming a base defining a trunnion and a portion of a leg for a roller-cone-type rock bit. A workpiece is rough formed to comprise leg work, having a preliminary end...
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5201618 |
Method for machining an ellipitical bore
A method is disclosed for finishing a roughly shaped elliptical cylinder bore to an accurate final shape of predetermined major and minor axis. A circular cutter body with an effective diameter...
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5185915 |
Pneumatic booster output rod adjustment method
A method of adjusting the length of a vehicle brake booster output rod and assembling the same into the brake booster is provided, the output rod being a thermoplastic or thermoset material that is...
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5181808 |
Method and apparatus for automated drilling hole patterns in elongated workpieces
A computerized apparatus and method for drilling holes in elongated workpieces. Predetermined locations for holes are input into a computer by visually aligning hole locations on a template with...
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5174691 |
High feed rate deep penetration drill
A drill construction to overcome the problem of high speed (>5000 rpm), high feed rate (>200 inches/minute) chip removal in deep hole drilling of nonferrous workpieces, comprising: (a) a...
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5174690 |
Mounting power tools
A mobile power tool operating assembly for performing material treatment operations, such as drilling, has permanent magnet means to mount the power tool on a ferromagnetic workpiece, and release...
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5173016 |
Apparatus and method for forming finger and thumb holes in bowling balls
A vacuum dish (10) is rigidly bolted (60) to the support table (12) of a milling machine (14). A bowling ball (74) is set down onto the upwardly directed hard rim (72) of the vacuum dish (10). An...
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5171110 |
Apparatus and method for counterboring a pipe
An apparatus (10,100) for counterboring a pipe is attached to a pipe end surfacing machine (12) and is comprised of a frame (14) pivotally mounted to a flywheel (16). A cutting tool (50) and guide...
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5161921 |
Method and equipment designed to drill countersunk holes on surfaces in any position
The invention relates to a method and equipment designed to drill countersunk holes on surfaces of unknown positions in which a presser fitted to the tool support is placed against the surface to...
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5161924 |
Method and tool for concentric backchamfering on a turning machine
A chamfering tool and method for use in the precision backchamfering of a rotating part. The chamfering tool has a cutting head portion selected to match the size of the surface to be chamfered....
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5158405 |
Deburring tool and method
A deburring tool is constructed of a pair of wire sections resiliently interconnected with each other so that each biases the other against the internal side walls of a bore formed in a workpiece....
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5158404 |
Taper thread cutting machine and method
A machine for taper threading the end of a bar such as reinforcing bar used in concrete construction utilizes a power operated vice to clamp and feed the bar end axially into a rotary head which...
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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...
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5152641 |
Method and apparatus for controlling glass drilling
A method and apparatus for controlling glass drilling in which the starting position for the drill bit is calibrated prior to drilling. The drill bit is initially spaced close to the surface to be...
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5150496 |
Internal grinding and cutting device for pipe and casing
A portable system for reworking the inside diameter of oil field pipe and casing, and especially plastic coated pipe that is to be re-coated. The system includes a grinderhead that removes...
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5150518 |
Process for manufacturing inner and outer parts for a rotary piston machinein which the inner and outer parts have parallel axes
To manufacture inner and outer parts for a rotary piston machine in which said parts have parallel axes and have interengaging helical engaging surfaces having convolutions in numbers differing by...
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5146817 |
Boring bar for a limited slip differential
A boring tool for refinishing the bearing seat of a limited slip differential case having a side opening and having upper and lower bores which are concentric with the bearing seat. Generally...
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5145296 |
Apparatus and method for cutting holes
An annular hole cutter wherein each tooth is formed with a radially outer cutting edge and at least alternate teeth are formed with radially extending, circumferentially staggered inner and outer...
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5142762 |
Air cycle machine alignment
During assembly, individual segments (10, 12, 14) comprising a housing (18) designed to encase and support a rotating assembly are positioned on a fixture (16) and releasably joined. The fixture...
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5143489 |
Method of drilling bores
In drilling a bore in a structural component (3) using a hollow cylindrical core drill bit (4) initially a guide such as a disk (1) or a template (12) is secured to the surface of a structural...
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5141368 |
Automated side-drilled device and method for catheters
A device and method are provided for side-drilling of catheters. The method comprises storing side-drilling hole patterns, selecting a side-drilling hole pattern, positioning the catheter at...
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5139376 |
Method and apparatus for controlled penetration drilling
A drilling machine and method of operation for drilling through holes in a workpiece while minimizing penetration of the drill tool into a back-up material which supports the workpiece. Before...
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5137397 |
Cutting tool and method for using the same
A cutting tool for finishing a back surface of a workpiece having a hole is proposed. A blade having an equilateral triangular shape is attached to a shaft of the cutting tool. One of cutting edges...
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5127778 |
Musical reed duplication
A machine for duplicating musical reeds comprises a force sensor supporting a drill bit, which acts both as a measuring contact, when stationary, or as a tool for removing material from the surface...
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5123789 |
Method of and apparatus for machining printed circuit board
A method of and apparatus for effecting a machining operation, e.g. drilling, on a multi-layered printed circuit board utilizing a machining apparatus having a spindle for driving a tool. The...
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5116168 |
Method and apparatus for controlling drilling operation
In drilling control method and apparatus for making holes through a composite workpiece made of a plurality of materials having different machining properties, the workpiece is first drilled at a...
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5113728 |
Method and apparatus for forming intermittent chips when machining a rotating workpiece
The formation of intermittent chips or chip breakage are assured while machining a rotating workpiece by causing the undeformed chip thickness to vary periodically and be reduced to zero in each...
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5112166 |
Self-indexing power feed rib bolt drill
The invention relates to a drilling apparatus that can position a drill at the precise center between two overlapping flanges and clamp at that position while a self feeding drill drills a hole.
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5111406 |
Method for determining drill target locations in a multilayer board panel
In order to correct for misregistration of solder pads in multilayer board (MLB) panels and determine drill target locations through vertical stacks of the solder pads, a fixture is prepared with...
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5094574 |
Spot facing method and apparatus for printed circuit board
A spot facing method and apparatus for processing a printed circuit board incorporates a sensing device having a sensor probe capable of sensing the level of the surface of a printed circuit board,...
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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...
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5090846 |
Method and apparatus for drilling of holes into the mantle of a cylinder
A method and apparatus for drilling holes into the mantle of a cylinder in a paper machine while the cylinder is in its place of operation in a paper machine is disclosed. After each cycle of...
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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...
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5086676 |
Method and apparatus for machining a differential carrier
A machine tool and method for simultaneously boring, facing and back boring three bores in a differential carrier with three tools that rotate coaxially with their spindle axes. Each tool has a...
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5087156 |
Printed circuit board boring machine
A printed circuit board boring machine bores printed circuit boards stacked on a table, by a drill while pressing the printed circuit boards with a pressure foot. A piece having a hole through...
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5085633 |
Method of forming suction swab
A method of forming a disposable suction swab from an elongated stem having an enlarged, resilient tip at one end. The stem is installed in a longitudinal central channel in the tip, and the...
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