| Patent Number |
Title Of Patent |
Date Issued |
| D277679 |
Machining center |
February 19, 1985 |
|
| 6163735 |
Numerically controlled machine tool |
December 19, 2000 |
| It is the object of the invention to correct a quadrantal protuberance depending on machining conditions, to improve a machining efficiency, and to improve the accuracy of a machining operation. A numerically controlled machine tool is provided with quadrantal protuberance correction sto |
| 5094551 |
Preload control apparatus for bearings with shape memory alloy springs |
March 10, 1992 |
| A preload control apparatus for use in a spindle (12) of a machine tool comprises a bearing (16,17) and a plurality of springs (26a to 26d) for exerting a preload on the bearing (16, 17). Some or all of the springs (26a to 26d) are at least partly made of a shape memory alloy so that the |
| 5062190 |
Pallet changer |
November 5, 1991 |
| This invention relates to a pallet changer suitable for use with a machine tool. When exchanging pallets, the pallet changer employs a drive means 3 for driving a table 2, and a transfer means 12 comprising a chain 66 and sprockets 64, 65. The transfer means 12 is driven by the drive mea |
| 5058261 |
Machine tool |
October 22, 1991 |
| This invention relates to a machine tool which can do multiple operations such as drilling and turning operations on a workpiece once the workpiece is attached onto the workhead, thereby obtaining time savings in loading the workpiece and maintaining quality in the operations. According |
| 5044486 |
Pallet magazine |
September 3, 1991 |
| A pallet magazine for setting a plurality of pallets including a column and a plurality of swing units mounted on the column. A turntable as driven about a horizontal axis and including a plurality of rails for receiving the pallet. An indexing member securing the turntable at a desired |
| 5020201 |
Machine tool |
June 4, 1991 |
| This invention relates to a machine tool having a table for mounting a workpiece. The body of a machine tool is equipped with a table for mounting a workpiece. The table is further equipped with a rotary table. When performing turning operations of the workpiece, the workpiece is mou |
| 5009555 |
Tool holder for machine tool |
April 23, 1991 |
| A machine tool has a machine tool body (3), a spindle (1) having a supporting portion (2) and being rotatably supported by the machine tool body (3), and a tool holder (5) having an inserting portion (6) attached to the supporting portion (2). A coating layer (10) made of a hard mate |
| 4996754 |
Pallet changer |
March 5, 1991 |
| This invention relates to a pallet changer suitable for use with a machine tool. When exchanging pallets, the pallet changer employs a drive means 3 for driving a table 2, and a transfer means 12 comprising a chain 66 and sprockets 64, 65. The transfer means 12 is driven by the drive mea |
| 4995502 |
Pallet changer |
February 26, 1991 |
| A pallet changer includes a support, a table movable on the support along one direction, a plurality of pallets for holding a workpiece, a drive mechanism for moving the table, a transfer device for moving the pallet along the one direction relative to the table. The transfer device |
| 4991706 |
Machine tool |
February 12, 1991 |
| A machine tool has a machine tool body, a spindle attached to the machine tool body for holding a tool, a bed provided on the machine tool body, and a table located on the bed for supporting a workpiece at a desired position and orientation so that the workpiece can be machined by the |
| 4985971 |
Pallet changer |
January 22, 1991 |
| A pallet changer for a machine tool comprising:(a) a work station comprising a plurality of members which form holes for a plurality of pallets each having a workpiece, the members being arranged at predetermined intervals in an endless chain manner such that one of the members can be po |
| 4976019 |
Machining center |
December 11, 1990 |
| This invention relates to a machining center including a machine tool and a three-dimensional measuring machine. The machining center machines a workpiece and then measures the shape of the machined workpiece. The measuring machine includes a probe unit for measuring the shape of the |
| 4972597 |
Three-dimensional displacement gage |
November 27, 1990 |
| A three-dimensional displacement gauge comprising a housing, a probe rotatably and slidably mounted on the housing, the probe is slidable along a first direction and having a contact member attached at one end thereof, two emitting members mounted on the probe each for emitting a light b |
| 4955770 |
Bed for a machine tool |
September 11, 1990 |
| A bed for machine tools which includes at least one hole of a structure such that chips or cutting oil fallen on the bed from a working stage is caused to fall into the hole. The bed is formed with an inclined surface of such inclination that chips or cutting oil fallen on the bed from t |
| 4914803 |
Machine tool |
April 10, 1990 |
| A machine tool comprising a spindle head, a tool magazine, and an arm, the arm being secured to the spindle head, the arm having gripping members for holding a tool holder. When a workpiece is machined, the arm in which gripping members are opened is placed near the spindle. As soon as |
| 4890716 |
Machine tool |
January 2, 1990 |
| A machine tool has a machine tool body, a spindle attached to the machine tool body for holding a tool, a bed provided on the machine tool body, and a table located on the bed for supporting a workpiece at a desired position and orientation so that the workpiece can be machined by the |
| 4809422 |
Machine tool with index means |
March 7, 1989 |
| A machine tool body (1) is equipped with a spindle (9) which can move vertically along the Y axis. A first table (14) on a bed (10) of the machine tool body (1) is movable horizonally in the Z direction and can move toward the tool (11) held by the spindle (9). A second table (15) set |
| 4797205 |
Apparatus for separating oily cutting liquid |
January 10, 1989 |
| An apparatus for separating an oily cutting liquid from a water-soluble cutting liquid, includes a main tank (10) for containing combined liquids (11) including in combination the oily cutting liquid and the water-soluble cutting liquid which constitute two liquid layers, rotation me |
| 4733999 |
Cutting oil sorting apparatus |
March 29, 1988 |
| In a machine tool including a spindle head (1), a XY-table (2) placed under the spindle head (1) and a base (A), and a cutting liquid sorting apparatus, the cutting liquid sorting apparatus includes a receiver (19), with an opening (21) at its bottom, for receiving water soluble cutting |
| 4713887 |
XY table |
December 22, 1987 |
| An XY table for processing an object (22) such as an iron plate, comprising frame (2) having an opening formed thereby, a moving member (2) moving in an X-direction and in a Y-direction at a right angle to the X-direction, a head (21) for cutting, marking or machining attached to the mov |
| 4696091 |
Automatic tool changer |
September 29, 1987 |
| During the automatic changing of tools between a spindle of a machine tool and a tool magazine, a changing operation of causing one of a pair of tool changing arms to stand by in the vicinity of the spindle to remove the used tool and another changing operation of causing the other tool |
| 4607989 |
Machine tool |
August 26, 1986 |
| A machine tool has a machine tool body (3), a spindle (1) having a supporting portion (2) and being rotatably supported by the machine tool body (3), and a tool holder (5) having an inserting portion (6) which is attached to the supporting portion (2). A ceramic layer (10, 11) is pro |
| 4567659 |
Tool size measuring apparatus for NC machine tools |
February 4, 1986 |
| Each of the tools accommodated in a tool magazine of a NC machine tool is transferred to a reference receptacle arranged near to the tool magazine and the length and outer diameter of the tool are measured thereby inputting the measured values into the machining program. |
| 4546532 |
Automatic tool changing apparatus |
October 15, 1985 |
| To effect the automatic changing of tools rapidly and provide a large number of tool pots with a small space in an automatically controlled machine tool, an automatic tool changing apparatus is positioned between the magazine proper and the spindle axis and an arm having a tool gripping |
| 4442576 |
Tool cooling device for machine tools |
April 17, 1984 |
| The present invention relates to a tool cooling device for machine tools in which a plurality of cooling fluid distributing units are provided on a fixed shaft having a hole formed therethrough and communicating with a source of cooling fluid and each of the distributing units is connect |
| 4413422 |
Apparatus for detecting the position of a machine tool spindle |
November 8, 1983 |
| An apparatus for detecting the position of a machine tool spindle is intended to detect the position of the thermally displaced spindle in the x and y directions, respectively, by a single proximity switch to prevent the accuracy of machining from being deteriorated by the thermal di |
| 4412162 |
Protective system for automatic tool changing apparatus |
October 25, 1983 |
| There is disclosed a protective system for preventing damages to a tool and a work or tool changing mechanism component parts due to any interference between the tool and the work during the tool changing operation by an automatic tool changing apparatus in a numerical control machine to |
