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| Number | Title | Issue Date |
| 4873768 | Dimensioning head for plug gage In a dimensioning head for a plug gage, a pair of exteriorly projecting balls project through openings on either side of the longitudinal axis of the housing for contacting the inside diameter of the bore hole to be measured. Each of the balls contact a V... | 10/17/1989 |
| 4843640 | Industrial identification transponder This invention relates to a digital communication circuit which is particularly adapted to be used in factories employing flexible machining systems where pallets supporting workpieces are moved from one work station to another. An identification transpon... | 06/27/1989 |
| 4815946 | Magnetostrictive pump with reversible valves A hydraulic pump having a cylinder closed at one end with an elongated piston arranged within the cylinder from the other end. The piston is constructed of a positive magnetostrictive material which increases in length in the presence of a magnetic field ... | 03/28/1989 |
| 4803786 | Precision parallel mechanical float Precision parallel mechanical float for compliance automation gaging, parts handling, assembly and other operations involving a combination of tolerance misalignment. Parallel plates separated by three precision resiliently preloaded flat end rods provide... | 02/14/1989 |
| 4804314 | Magnetostrictive hydraulic injector A magnetostrictive hydraulic injector pump having a cylinder closed at one end with an elongated piston arranged within the cylinder from the other end. The piston is constructed of a magnetostrictive material which increases in length in the presence of ... | 02/14/1989 |
| 4795317 | Magnetostrictive pump with reversible valves A hydraulic pump having a cylinder closed at one end with an elongated piston arranged within the cylinder from the other end. The piston is constructed of a positive magnetostrictive material which increases in length in the presence of a magnetic field ... | 01/03/1989 |
| 4795318 | Magnetostrictive pump A hydraulic pump having a pump cylinder closed at one end with an elongated piston arranged within the cylinder from the other end. The piston is constructed of a magnetostrictive material which increases in length in the presence of a magnetic field of a... | 01/03/1989 |
| 4791728 | Dimensioning head for plug gage In a dimensioning head for a plug gage, a pair of exteriorly projecting balls project through openings on either side of the longitudinal axis of the housing for contacting the inside diameter of the bore hole to be measured. Each of the balls contact a V... | 12/20/1988 |
| 4788772 | Dimensioning head for plug gage In a dimensioning head for a plug gage, a pair of exteriorly projecting balls project through openings on either side of the longitudinal axis of the housing for contacting the inside diameter of the bore hole to be measured. Each of the balls contact a V... | 12/06/1988 |
| 4784537 | Multiple tooth thread milling apparatus Apparatus and cutting insert for milling threads into a workpiece using a single hard cutting insert having a plurality of cutting teeth or a plurality of hard cutting inserts each providing a single cutting surface.... | 11/15/1988 |
| 4780029 | Adjustable tool holder A tool holder for a numerically controlled machine tool, in which a cutting edge provided on a base member is adjustable with respect to a reference surface on the base member by adjustment means. The adjustment means comprise a U-shaped slot in the base ... | 10/25/1988 |
| 4779319 | Method and apparatus for performing workpiece inspection with a probe Various techniques are disclosed for controlling the operation of a workpiece inspection procedure using a battery operated probe to contact the workpiece and transmit information back to a controller in a machine tool system. In one embodiment, battery p... | 10/25/1988 |
| 4773801 | Manual pivot head Manually adjustable pivot head for a rotary boring bar having a spring steel mounting plate with two opposed arcuate slots terminating in yieldable webs extending between a rigidly mounted outer ring and deflectable central portion on which an annular fla... | 09/27/1988 |
| 4764062 | Coolant supply shank for a rotating cutting tool A rotatable coolant supply shank, and cutting tool incorporating such shank, provided with a coolant inlet, for alignment with a ring bore, extending inwardly from the peripheral surface of the shank for positively pulling coolant towards the shank axis w... | 08/16/1988 |
| 4756648 | Rotatably adjustable boring bar An adjustable boring bar wherein the adjustment of the cutting end is provided by a prestressed internal bar bearing against the cutting end to selectively distort the boring bar in the direction of the cutting bit to compensate for wear. The adjustment i... | 07/12/1988 |
| 4748554 | Machine monitoring system using motion detection for synchronization Apparatus and methods are disclosed for use in monitoring the operation of an automated machine tool which has at least one linear slide axis. Motion along the various machine axes is detected and used to provide an output signal for synchronizing the com... | 05/31/1988 |
| 4742470 | Tool identification system Provision is made for identifying tools used in an automated machine tool system. A module or transponder is mounted to the tool and interrogated by a transceiver which, in the preferred embodiments, has read/write capabilities. The transponder uses energ... | 05/03/1988 |
| 4734994 | Probe having a plurality of hinged plates A stack of hinged plates are employed as part of a switch assembly for a probe used to detect contact with an object such as a workpiece. In the preferred embodiment, the plates are hinged together by flat springs clamped to, but electrically insulated fr... | 04/05/1988 |
| 4735532 | Spindle with positive lock drawbar A cutting tool holder wherein a cutting tool can be released from a drawbar by selectively causing the drawbar to move along a longitudinal axis in a first direction. The drawbar is positively locked in place to prevent such movement during the cutting op... | 04/05/1988 |
| 4726741 | Magnetostrictive pump with hydraulic cylinder A magnetostrictive hydraulic pump having a pump cylinder closed at one end with an elongated piston arranged within the cylinder from the other end. The piston is constructed of a magneto-strictive material which increases in length in the presence of a m... | 02/23/1988 |
| 4708546 | Rotating cutting tool holder for bit generation A rotary cutting tool holder and method for precise generation of a radial cutting bit under high speed settings includes a rotary housing having an axially mounted actuating bar, a cylindrical shank with attached cutting bit rotatably mounted in a second... | 11/24/1987 |
| 4693110 | Method and apparatus for testing the operability of a probe The present invention is directed to an apparatus and method of testing the operability of probes used in performing workpiece probing operations. According to the preferred embodiment of the present invention, the probe has a first circuit for generating... | 09/15/1987 |
| 4670989 | Touch probe using microwave transmission Automated gaging apparatus for use with a machine tool system is disclosed. In a preferred embodiment, the apparatus is adapted for use with a touch probe and includes circuitry for frequency shift keying a subcarrier signal responsive to contact occurrin... | 06/09/1987 |
| 4668135 | Coolant supply in rotating cutting tool A coolant supply apparatus, and cutting tool incorporating such apparatus, wherein during a cutting operation coolant is supplied from a coolant supply means through a coolant supply member which is spaced from a tool shank mounted supply ring. A valve is... | 05/26/1987 |
| 4662254 | Quick change tool block clamp Quick change cutting tool block clamp wherein planar mounting faces of adapter base and tool holder faces are located and retained in compressive engagement through linear interengagement of transverse semi-dovetail key surfaces under pressure established... | 05/05/1987 |
| 4661180 | Method of making diamond tool A polycrystalline diamond disk is bonded to a substrate by forming layers of powdered diamond material and then pressing and sintering the layers to bond the diamond material and to form disks thereof. A surface of one such disk is ground or lapped flat a... | 04/28/1987 |
| 4658509 | Probe having low battery detection/transmission feature Provision is made in a battery operated probe for detecting and wirelessly transmitting information to a remote receiver indicating that the battery power in the probe is low. In the preferred embodiment, both probe stylus position information and low bat... | 04/21/1987 |
| 4652276 | High toughness silicon nitride cutting tools A silicon nitride cutting tool primarily for cutting cast iron comprises a granular phase consisting essentially of silicon nitride and an intergranular amorphous phase consisting essentially of magnesium oxide, yttrium oxide and silicon oxide wherein the... | 03/24/1987 |
| 4636118 | Coolant supply extension member in rotating cutting tool A rotatable cylindrical extension member, and cutting tool incorporating such extension member, provided with a coolant inlet, for alignment with a ring bore, extending inwardly from the peripheral surface of the extension member for directing coolant tow... | 01/13/1987 |
| 4632593 | Pin lock insert holder Pin lock insert holder constructed as an essentially straight lever having longitudinally spaced hold down and fulcrum projections on opposite sides and a lever actuating recess engaged by an angularly related screw. An additional shim retention projectio... | 12/30/1986 |
| 4626140 | Chip control insert Circular chip control insert including a plurality of peripheral arcuate scallops having adjacent intersections terminating in points at the cutting edge of the insert providing a wedge effect in dividing and breaking chips.... | 12/02/1986 |
| 4625417 | Probe with stylus pressure adjustment A probe of the type having a movable stylus for detecting contact with an object is disclosed. The stylus is connected to a movable member which is held in its rest position by means of a spring. The movable member is provided with a bore therein to which... | 12/02/1986 |
| 4622871 | Cutting tool compensator for stationary machine tool A machine tool of the type wherein a non-rotating cutting tool cuts a workpiece which rotates about a longitudinal axis of rotation. The machine tool includes a block member having the cutting tool attached thereto, the block member being coupled to a hou... | 11/18/1986 |
| 4617846 | Interchangeable tool head for a nc machine A tool for a nc machine is provided with a radially displaceable surface slide serving as a tool holder. The tool head is interchangeable by a tool head changing device mounted on the nc machine. The tool head is automatically releasably mounted on the wo... | 10/21/1986 |
| 4618296 | Cutting tool and insert therefor A cutting tool, for example a milling cutter, capable of omini-directional machining of a workpiece as disclosed. In a preferred form, the cutting tool is embodied as a ball nosed end mill having a cylindrical shank terminating in a spherically shaped cut... | 10/21/1986 |
| 4615652 | Cutting tool compensator for rotary machine tool A machine tool of the type having a rotatably mounted housing circumscribing a longitudinal axis of rotation and adapted for having coupled thereto a tool holder having at least one cutting tool which is adjustable radially of the axis such that a cutting... | 10/07/1986 |
| 4615650 | Locking pin for a tool holder A tool holder, and a locking pin for use therewith, of the type having a recess into which a cutting insert is removeably secured by passing the locking pin through a bore in the insert and into a bore in the tool holder.... | 10/07/1986 |
| 4608763 | Probe A touch probe construction that enables it to be used in place of tool holders used in existing turning centers to perform workpiece inspection operations without requiring modification of the machine. The probe housing is designed to generally correspond... | 09/02/1986 |
| 4608714 | Low battery detector for a machine system using infrared telemetry A data communication system for machine performing operations on a workpiece is disclosed. A battery operated transmitter supplies power to electrical components adapted to transmit a plurality of different infrared signals to a remote receiver. The remot... | 08/26/1986 |
| 4606678 | Circular chip control insert A circular chip breaking insert having a plurality of overlapping peripheral conical depressions extending to the cutting edge including secondary conical depressions formed at the overlapping areas of the primary depressions.... | 08/19/1986 |
