| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 279110000 | RADIALLY RECIPROCATING JAWS | 36 |
| 20090102143 | Clamping fixture including a chuck for releasably locating a workpiece pallet - A clamping fixture features a chuck provided with a locking mechanism for releasably locating a workpiece pallet. The locking mechanism comprises a plurality of clamping members which in the locked position are engineered to engage a clamping spigot connected to the workpiece pallet. Each clamping member, or alternatively an actuating member assigned to a clamping member, is provided with a feedthru bore which on correct locking and/or release of the corresponding clamping members is closed off at one end. The feedthru bores are connectable by a common connecting conduit to a compressed air source. In addition, at least one sensor is provided for sensing air flow in the connecting conduit by means of which it can detected whether the clamping members are correctly released or locked. | 04-23-2009 |
| 20110233879 | CARRIER DEVICE FOR MACHINE TOOLS - A machine tool having a carrier device for workpieces or tools or tool spindles. A console supports the carrier and can be pivoted about a first axis (X) from the horizontal into the vertical position and beyond. The console is pivotably housed on carriages guided in the machine body. The carrier for a workpiece, a tool, or a tool spindle is arranged on the console, and a drive device is provided for the synchronous displacement of the carriages on guide rails fixed on the machine tool. The console is hinged via two crank-like arms to the stationary machine body in addition to being supported on both carriages to form a kniematic coupling. | 09-29-2011 |
| 20130320636 | SUBSTRATE PROCESSING APPARATUS - A substrate processing apparatus is used for a spin drying apparatus, a pencil-type scrubbing cleaning apparatus, an IPA drying apparatus and the like, which are used as semiconductor wafer processing apparatuses. The substrate processing apparatus includes a substrate stage and a substrate chuck mechanism. The substrate chuck mechanism includes a chuck body having a substrate placing portion configured to place a peripheral portion of a substrate and a guide surface configured to guide an outer circumferential end surface of the substrate and to position the substrate when the substrate is placed on the substrate placing portion, and a chuck claw rotatably supported on the chuck body and configured to hold the peripheral portion of the substrate between the substrate placing portion and the chuck claw by turning the chuck claw inward in a closing direction. The guide surface comprises a first guide surface and a second guide surface which guide the outer circumferential end surface of the substrate and differ in inclinations from each other. | 12-05-2013 |
| 20160133503 | SUBSTRATE GRIPPING APPARATUS - The present invention relates to a substrate gripping apparatus includes a base, a plurality of support posts which are vertically movable relative to the base, a lifting mechanism configured to lift the support posts, and a substrate holder and a substrate guide member mounted to each of the support posts. Each of the support posts includes a relative movement mechanism configured to move the substrate holder in such a direction that the substrate holder releases a peripheral portion of a substrate, while raising the substrate guide member relative to the substrate holder, when the support post moves upward, and to move the substrate holder in such a direction that the substrate holder grips the peripheral portion of the substrate, while lowering the substrate guide member relative to the substrate holder, when the support post moves downward. | 05-12-2016 |
| 279111000 | With indicator | 1 |
| 20140252727 | CHUCK FOR APPARATUS FOR MACHINING A TUBULAR ROTATING WORKPIECE - The invention relates to a chuck ( | 09-11-2014 |
| 279112000 | Transverse-screw actuated | 1 |
| 20130320637 | Quick Change Power Tool Chuck - A power tool chuck includes at least one claw portion movable from a first position spaced apart from a centerline of the chuck toward a second position located closer to the centerline. The power tool chuck also includes a collar configured such that as the collar moves from a third position to a fourth position, the at least one claw portion is forced from the first position toward the second position. The power tool chuck also includes a locking member movable between a fifth position whereat the locking member locks the collar in the third position and a sixth position whereat the locking member does not lock the collar. The power tool chuck also includes a button movable between a seventh position whereat the locking member is forced into the fifth position and an eighth position whereat the locking member is free to move into the sixth position. | 12-05-2013 |
| 279114000 | Spiral cam or scroll actuated | 3 |
| 20090058019 | Drill Chuck - The invention relates to a clamping drill chuck comprising a chuck body ( | 03-05-2009 |
| 20140375000 | CHUCK DEVICE - To provide a practical chuck device which is not only capable of providing more reliable and stable retention between the rotary body or the main body and the rotary sleeve, but also has excellent mass-productivity. A chuck device in which a rotary sleeve ( | 12-25-2014 |
| 20150352641 | CLAMPING SYSTEM FOR A WORKPIECE ON A MEASURING MACHINE - The invention includes a clamping system for a workpiece on a measuring machine, with a multiple-jaw clamping chuck. A rotary drive rotates the multiple-jaw clamping chuck. The rotary drive includes a stator and a rotor. The multiple-jaw clamping chuck has a chuck body wherein the clamping jaws are radially movable for clamping a workpiece or loosening it from the clamping chuck, a flat spiral mounted rotating relative to the chuck body in positive engagement with the clamping jaws, and an outer rim rotating with respect to the stator. The flat spiral is firmly joined to the rotor of the rotary drive, but can turn relative to the chuck body in order to move the clamping jaws radially inward or outward. Using a coupling, a part of the clamping system can be secured so that the rotary drive takes on the function of adjusting the clamping jaws. | 12-10-2015 |
| 279117000 | Rack-and-pinion actuated | 1 |
| 20090250887 | Cinquefoil chuck - An improved cinquefoil chuck comprises a clamping jaw mechanism provided with a plurality of clamping jaws that may release and close and that are connected to and driven by a driving mechanism. The clamping jaw mechanism is connected to and driven by an autorotation mechanism to rotate, and the cinquefoil chuck is used to make the clamping jaw mechanism automatically rotate for safe and easy operation. | 10-08-2009 |
| 279119000 | Lever actuated | 1 |
| 20090102144 | Power-operated chuck - In a power-operated chuck ( | 04-23-2009 |
| 279121000 | Wedge actuated | 7 |
| 20080217871 | Implement Clamping System, a Base Jaw and Top Jaw for It - A base jaw and a top jaw of an implement clamping system, which can be plugged into each other and which comprise engaging surfaces configured together into cuneal manner and limiting the depth of penetration between the two jaws. The wedge angle is at least 85° or more, but at most 140°, thereby substantially avoiding jamming the engaging surfaces while nevertheless the top jaws are held in place in all directions by the base jaws. | 09-11-2008 |
| 20090096177 | METHOD OF HOLDING EASILY DEFORMED WORKPIECES AND CHUCK FOR CARRYING OUT THE METHOD - The invention relates to a method of chucking easily deformed workpieces ( | 04-16-2009 |
| 20110260416 | Power operated chuck - A power-operated chuck ( | 10-27-2011 |
| 20120319365 | PARALLEL POWER CHUCK - A parallel power chuck for clamping two ends of a shaft or similar workpiece for machining using two centering mechanisms. The centering mechanisms independently operate from a single internal actuation mechanism and clamp each end of the shaft regardless of shaft size from end to end. The internal actuation mechanism further equalizes applied clamping force after compensating for size variation. | 12-20-2012 |
| 20130056941 | Manually Operated Chuck - A manually operated chuck for machining of rotationally symmetrical workpieces, the chuck comprising:
| 03-07-2013 |
| 20150042051 | CHUCK - A chuck for a machine tool for supporting rotationally symmetrical components, the chuck being adapted to prevent contamination of a guide groove area, wedge rods and the chuck body, in any operational position of the clamping jaws of the chuck. | 02-12-2015 |
| 20160158848 | CHUCK - In a chuck ( | 06-09-2016 |
| 279123000 | Jaws | 18 |
| 20080197584 | Clamping Device for a Tool or a Workpiece - A clamping device for a tool or a workpiece, comprising at least one chuck and at least one holder for the workpiece or the tool. The holder is provided with a tubular extension. | 08-21-2008 |
| 20100156053 | ADJUSTABLE CARTRIDGE ASSEMBLY FOR A WORKPIECE-HOLDING MASTER JAW DEVICE - An adjustable workpiece-holding chuck including a chuck body with at least one jaw recess formed therein, which receive an operating jaw. A master jaw may be connected to the operating jaw via an adjustable cartridge assembly that includes a cartridge insert mounted to a recess formed in the master jaw. The cartridge insert includes a cartridge opening formed therein for receiving an adjustable screw. The adjustable screw is mounted to a yoke formed in the operating jaw, thereby releasably connecting the master jaw to the master jaw. | 06-24-2010 |
| 20100176562 | Mechanical Coupling Devices - It is already common in many devices like spanners or pipe wrenches for the pressure between the gripping faces and gripped faces to be related to the torsional load that is applied to turn the gripped object. In these apparatus the grip can be made to relax automatically as the load is removed. The invention relates to improvements in such devices, and to novel designs of mechanical coupling devices that utilise this basic idea. More specifically, the invention firstly proposes a method of improving the performance of an object-gripping tool of the cam-operated gripper-element type, in which method there is applied to the gripper surface a friction-enhancing chemical. And it secondly proposes object-coupling apparatus which includes a body-mounted object-gripper together with a gripper-moving cam device having a cam member that is forced to bear against both the gripper and the body so as to urge the gripper into gripping contact with the object, the resulting friction between the body, cam member and gripper being enhanced by a prior chemical treatment, and so being sufficient to prevent the cam member reversing and the gripper releasing the object so long as force is maintained. | 07-15-2010 |
| 20110115171 | System as well as a Machining Device, a Chuck, a Jaw Connecting Element, a Jaw Exchanging Device and a Method - A system comprises a machining device which comprises at least one chuck and at least one jaw detachably connected to said chuck, as well as a jaw exchanging device cooperating with said machining device. The chuck is provided with at least one locking element which can be moved in a locking direction and in an opposite direction, from a jaw releasing position to a jaw locking position, and vice versa, by means of the jaw exchanging device. The jaw exchanging device is provided with moving means for moving the jaw with respect to the chuck in said releasing position. The chuck is provided with a rotatable operating pin extending transversely to the locking direction, by means of which the locking element can be moved from the releasing position to the locking position and vice versa. The jaw exchanging device is provided with a connecting element to be connected to the operating pin, by means of which connecting element the operating pin can be rotated. | 05-19-2011 |
| 20110115172 | HIGH PRECISION CHUCK WITH CENTERING FUNCTION - A chuck including: (a) a main body; (b) three slot-defining members each constituted by a member independent of the main body and defining therein a guide slot, and detachably attached to the main body; (c) three jaws each including (c-1) a fitted portion slidably fitted in the guide slot defined in the corresponding slot-defining member and (c-2) an engaging portion which projects from the fitted portion in an axial direction and which is configured to engage with a circumferential surface of an object that is to be held by the chuck; and (d) three pairs of pressing members detachably fixed to the three slot-defining members. Each pair of the three pairs of pressing members engage with the fitted portion of the corresponding jaw, for thereby preventing separation of the fitted portion of the corresponding jaw from the guide slot defined in the slot-defining member. | 05-19-2011 |
| 20120061926 | WORKHOLDING APPARATUS FOR WORKPIECE TRANSFER - A workholding apparatus comprising a chuck body, first jaw members and second jaw members wherein the second jaw members are shaped to grip a workpiece of a particular geometry. The first and second jaw members are constructed to enable easy, quick and manual replacement of the second jaw members with other second jaw members having different grip shapes so as to enable gripping of workpieces with different geometries. | 03-15-2012 |
| 20120139195 | Chuck for a Cold-Pilgering Mill - The present invention concerns a clamping chuck for a cold pilger rolling mill, comprising clamping a sleeve and at least two clamping jaw carriers. The chucks known from the state of the art have a hollow-cylindrical guide sleeve, into which are inserted from the end clamping jaws which are pressed against the tube shell by means of a clamping sleeve which is also to be introduced from the end of the guide sleeve. In comparison with that state of the art the object of the present invention is to provide a clamping chuck for a cold pilger rolling mill, which permits easy changing of the clamping jaw carriers and thus quick and inexpensive adaptation of the cold pilger rolling mill to tubes of differing diameters and wall thicknesses. To attain that object there is proposed a clamping chuck for a cold pilger rolling mill comprising a substantially hollow-cylindrical clamping sleeve having an inner peripheral surface and a cylinder axis, wherein the inner peripheral surface has at least one clamping portion whose surface includes an angle with the cylinder axis in the axial direction, and with at least a first and a second clamping jaw carrier, wherein at a first end the clamping sleeve has at least one first slot-shaped opening so that a clamping jaw carrier can be introduced into the clamping sleeve in the radial direction through the opening, wherein each clamping jaw carrier has an outside surface extending substantially parallel to the cylinder axis and a clamp surface which is arranged opposite the outside surface and which extends substantially parallel to the cylinder axis, wherein the outside surface and the clamp surface define a wedge, and wherein the clamping sleeve is displaceable parallel to the cylinder axis and relative to the clamping jaw carriers in such a way that the clamping portion of the clamping sleeve engages with the outside surface of the clamping jaw carriers. | 06-07-2012 |
| 20130154204 | LOCKING CHUCK JAWS - A jaw for use in a drill chuck having a longitudinal center axis, comprising a chuck body which includes a jaw face formed on an inner surface of the chuck body and a plurality of teeth formed on an outer surface of the chuck body, the jaw face being substantially parallel to the longitudinal center axis. A ridge depends inwardly from the jaw face toward the longitudinal center axis. The ridge includes a tool engaging surface that is substantially parallel to the longitudinal center axis and has a width of between 0.020 to 0.060 inches. | 06-20-2013 |
| 20140097580 | APPARATUS FOR LIQUID TREATMENT OF WAFER SHAPED ARTICLES - Apparatus for processing wafer-shaped articles comprises a chuck adapted to hold a wafer-shaped article of a predetermined diameter during a processing operation to be performed on the wafer-shaped article. The chuck comprises a chuck body having an outer surface that faces a wafer-shaped article when positioned on the chuck. The outer surface comprises a first electrically conductive material and the chuck body further comprises a first conductive pathway between the first conductive material and ground. | 04-10-2014 |
| 20140125016 | Multiple Pivoted Lathe Chuck Jaw Assembly - A multiple pivoted lathe chuck jaw assembly utilizes a plurality of baseplates each having one or more sub-jaws pivotably attached thereto. Each baseplate is configured for attachment to, or is part of, the radially movable elements of a lathe chuck. Further, each baseplate has two pivotably attached sub-jaws. Each sub-jaw has two compression and two expansion workpiece gripping surfaces extending generally outwards from the front face of the baseplate: a first tier compression gripping surface, a second tier compression gripping surface, a first tier expansion gripping surface, and a second tier expansion gripping surface. The gripping surfaces each approximate a curved shape that matches the shape of a circle of a given radius allowing the sub-jaws to pivot and self-align to the workpiece surface for maximum surface contact and gripping force. Force-directed serrations can provide additional holding force toward the face of the chuck. | 05-08-2014 |
| 279124000 | With means to facilitate jaw removal | 8 |
| 20080203681 | Quick-release jaws with single-piece bearing chuck - A workholding chuck can use actuating members that pivot within a non-split unitary front bearing. The non-split unitary front bearing can include pockets in its central bore that can allow a spherical section of an actuator arm to be inserted into the bearing. The spherical section can include radially recessed areas to facilitate the insertion into the bearing. The jaws can be retained to the actuator arms through the use of a quick-release assembly. The quick-release assembly allows the jaws to easily and quickly be changed to allow the chuck to grasp different workpieces. | 08-28-2008 |
| 20090206560 | QUICK-RELEASE JAWS WITH SINGLE-PIECE BEARING CHUCK - A system, in certain embodiments, includes a cutting tool, a drive and a chuck rotatable by the drive. The chuck includes multiple actuator arms, multiple jaws and multiple spring-loaded lock pins coupling the respective jaws to the respective actuator arms. | 08-20-2009 |
| 20090309318 | QUICK-RELEASE JAWS WITH SINGLE-PIECE BEARING CHUCK - A workholding chuck can use actuating members that pivot within a non-split unitary front bearing. The non-split unitary front bearing can include pockets in its central bore that can allow a spherical section of an actuator arm to be inserted into the bearing. The spherical section can include radially recessed areas to facilitate the insertion into the bearing. The jaws can be retained to the actuator arms through the use of a quick-release assembly. The quick-release assembly allows the jaws to easily and quickly be changed to allow the chuck to grasp different workpieces. | 12-17-2009 |
| 20100301570 | Quick change jaw system for chucks - A quick change jaw system for chucks is provided. The quick change jaw assembly includes a master jaw including a first pair of coplanar abutment surfaces defining a first aperture; a clamping device including a dovetail portion being disposed in the first aperture of the master jaw, wherein the dovetail portion rests above the first pair of coplanar top surfaces of master jaw; a top jaw formed with a groove longitudinally extending along a length of the top jaw, the groove being complementary to the dovetail portion and configured for engaging the dovetail portion, the top jaw including a second pair of coplanar abutment surfaces extending along opposite sides of the groove; and a cam for actuating the clamping device for urging the second pair of coplanar abutment surfaces of the top jaw into coengagement with the first pair of coplanar abutment surfaces of the master jaw. | 12-02-2010 |
| 20130320638 | WORK-HOLDING CHUCK WITH QUICK-RELEASE JAWS - A system, in certain embodiments, includes a wedge-lock coupling configured to connect a jaw to an actuator arm of a chuck. The wedge-lock coupling includes a wedge portion having a path of travel between a release position and a lock position, and a locking direction along the path of travel gradually wedges the wedge portion between the actuator arm and the jaw. | 12-05-2013 |
| 20140097581 | ROTARY CHUCK FOR A MACHINE TOOL - A rotary chuck includes a housing for rotation about an axis, keyways in the housing which extend radially away from the axis, jaw assemblies slidably received in the keyways and an actuatuing mechanism as well as a speed ring for moving the jaw assemblies along the keyways in accordance with different gear ratios. Each jaw assembly includes an inner jaw keyed to the associated keyway adjacent to the bottom thereof and an outer jaw keyed to the associated keyway near a mouth thereof so that the jaws can slide independently along their respective keyways. Each jaw assembly also has a locking device for locking its jaws together when they are opposite one another to prevent their relative radial movement and means enabling release of the locking device from the outside to permit ready removal of the outer jaw from its keyway. | 04-10-2014 |
| 20140191479 | CHUCK RELATED ARRANGEMENT AND A METHOD FOR ASSEMBLING SAID ARRANGEMENT - A chuck-related arrangement having a main portion and chuck jaw portions coordinated with the main portion with associated clamping arrangements, wherein one surface of the main portion is provided with a plurality of tracks adapted to displaceably carry chuck jaw portions. Each one of, and/or a chosen number of, clamping arrangements, are individually to be secured to its element solidly secured to its basic chuck jaw portion exposing a rotational cooperation with an external chuck jaw portion over a central axis of rotation. Two or more of the external chuck jaw portions and their peripheral surfaces are formed as one or more recesses in order to cooperate opposed recesses to form clamping surfaces for a work piece and/or formed as one or more, the recesses intermediately oriented, radially extending elevations, causing cooperative elevations after a rotation to form direct clamping surfaces towards the work piece. | 07-10-2014 |
| 20140252728 | WORK-HOLDING CHUCK WITH QUICK-RELEASE JAWS - A system, in certain embodiments, includes a wedge-lock coupling configured to connect a jaw to an actuator arm of a chuck. The wedge-lock coupling includes a wedge portion having a path of travel between a release position and a lock position, and a locking direction along the path of travel gradually wedges the wedge portion between the actuator arm and the jaw. | 09-11-2014 |
