Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Chucks or sockets

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
279900100 SOCKET TYPE 194
279142000 ACCESSORY OR COMPONENT 62
279128000 WITH MAGNETIC OR ELECTROSTATIC MEANS 31
279110000 RADIALLY RECIPROCATING JAWS 22
279200010 EXPANDING 19
279400010 WITH FLUID-PRESSURE ACTUATOR 17
279003000 VACUUM 15
279126000 WITH MEASURING, INDICATING OR CONTROL MEANS 14
279134000 SEPARATE CHUCK-ACTUATING POWER SOURCE 8
279140000 MEANS TO PREVENT JAW LOOSENING 6
279125000 WITH SAFETY FEATURE 5
20080238001Spindle Lock for a Hand-Held Combination Drill and Chisel Hammer - A spindle lock of a hand-held combination drill and chisel hammer has a gearbox housing and a countershaft rotatably supported in the gearbox housing about an axis of rotation. A locking plate is provided for selectively releasing and locking a rotational movement of the countershaft. Guide elements are disposed in the gearbox housing, wherein the locking plate is displaceably guided on the guide elements in the gearbox housing in a direction parallel to the axis of rotation of the countershaft. The guide elements have a guide rail arrangement wherein a part of the guide rail arrangement is provided on the gearbox housing and is integral with the gearbox housing.10-02-2008
20100283215Clamping device for machine tools - A clamping device comprising clamping jaws actuated by means of an axially adjustable draw rod, the clamping device comprising a servomotor with a changeover function, a driveline arranged between the servomotor and the draw rod as well as a bell in a rotating mounting that is coupled to the servomotor, the driveline configured as a two-piece gear train, the first piece arranged in a housing permanently connected to a rotor shaft of the servomotor. An input element and output element of the gear train being connected to the bell by the second gear train.11-11-2010
20110254236GROUNDED CHUCK - Improved reduction of static charge in spin chucks is achieved by providing one or more pin assemblies which are formed from chemically inert material and which include an electrically conductive inlay.10-20-2011
20120286481DEVICE AND PROCESS FOR LIQUID TREATMENT OF WAFER SHAPED ARTICLES - A spin chuck and a process of operating the same display improved resistance to backsplash by provision of a media collecting ring mounted on the spin chuck. The media collecting ring surrounds a wafer to be processed and includes a radially-inwardly extending upper portion having an obliquely-angled downwardly-facing surface positioned above an upper surface of a wafer held in the device. The device moreover includes a stationary chamber surrounding the spin chuck equipped with at least two superposed collecting baffles. During treatment, liquid collected by the media collecting ring is preferably discharged radially outwardly through a series of holes formed in the ring, so as to pass between a pair of the superposed collecting baffles of the chamber.11-15-2012
20130099454TOOL HOLDER - A tool holder for holding a cutting tool comprises a housing, a sleeve received in one end of the housing, a switch fastened in the other end of the housing, a cover fastened at an end of the housing adjacent to the sleeve to prevent the sleeve from being taken out of the housing, and an elastic member sleeved on the sleeve. The switch is electrically connected to a control system of a main spindle of a CNC turning machine and is applied for controlling the movement of the main spindle. The elastic member is compressed to elastically resist with the sleeve and generates an elastic force to make the sleeve move away from the switch, and the sleeve is slidably configured along the inner surface of the housing to contact the switch to stop the movement of the main spindle of the CNC turning machine.04-25-2013
279133000 WITH CENTERING MEANS 4
20130075984SECURING DEVICE FOR SECURING A CHUCK ON A ROTATING SPINDLE - The invention concerns a securing device for securing a chuck, in particular a power-operated chuck, on a rotating spindle of a machine, wherein a rotating element and at least one chucking-slide assembly are provided in a main body in such a way that, when the rotating element turns, the chucking-slide assemblies change their radial position such that, in a chucking position, they force the chuck against the securing device in the axial direction.03-28-2013
20130119619TOOL HOLDER - The present invention relates to a tool holder that either has a modular design, and the modules of which are centered via interfaces, or/and in which a centered interface is provided between the tool and the tool receiver such that high concentricity, and thus a high processing accuracy are achieved. The present invention further relates to a system comprising a tool holder and a tool.05-16-2013
20090014968Method and device for centering and clamping a workpiece in a balancing machine - The method includes the steps of positioning a workpiece (01-15-2009
20130093147METHOD AND DEVICE FOR CENTERING AND CLAMPING A WORKPIECE IN A BALANCING MACHINE - The chuck includes a centering clamping member having a variable diameter, a radially extending clamping surface, which is adjacent to the centering clamping member, a movable clamping element, a first spring element, via which the centering clamping member can be moved into a clamping position, a second spring element, via which the clamping element can be loaded with a first force, a third spring element, via which the clamping element can be loaded with a second, higher force, and an axially movable actuating device by which the centering clamping member and the clamping element can be moved into a release position against the force of the first and third spring elements.04-18-2013
279141000 MEMBER APPLIES AXIAL FORCE COMPONENT 4
20130082449Accessory Clamp for a Power Tool - A clamping device for clamping an accessory to a power tool includes a first flange, a spindle member, and a cam member. The first flange is coupled to a drive system of the power tool and is configured to receive the accessory. The spindle member defines a longitudinal axis and includes a second flange provided on an end of the spindle member and a follower member provided on an opposite end of the spindle member. The cam member includes a cam surface configured to interact with the follower surface, the cam member is rotatable about the longitudinal axis to a clamped position and to an unclamped position. In the unclamped position the accessory is removable from the first flange, and in the clamped position the accessory is clamped between the first flange and the second flange.04-04-2013
20120292864POWER TOOL - A power tool has a driving shaft for driving a working element and a clamping device for clamping the working element. The clamping device has a clamping position in which the working element may be fixed relative to the driving shaft and a release position in which the working element can be removed from the driving shaft. An operating member is coupled to the clamping device for moving the clamping device between positions. The clamping device also has a rotating position in which the working element can be rotated by an angle relative to the driving shaft and the operating member has an operating position that corresponds to the rotating position.11-22-2012
20120211951OSCILLATING TOOL ATTACHMENT FEATURE - A clamp arrangement for securing an accessory to an oscillating power tool can include a clamp assembly including a first clamp member that moves relative to the accessory between a closed position wherein the clamp assembly retains the accessory and an open position wherein the first clamp is offset from the accessory permitting removal of the first accessory from the clamp assembly. The clamp assembly can further comprise a second clamp member having a first portion that opposes the first clamp member and cooperates with the first clamp member to clamp the accessory between the first and second clamp members. An attachment plate can carry the clamp assembly. The attachment plate can have a first mating detail formed thereon that is configured to selectively and removably mate with a complementary second mating detail on the power tool in an assembled position.08-23-2012
20130193655Oscillating Tool Adapter - A clamp arrangement for securing an accessory to an oscillating power tool can include a clamp assembly including a first clamp member that moves relative to the accessory between a closed position wherein the clamp assembly retains the accessory and an open position wherein the first clamp is offset from the accessory permitting removal of the first accessory from the clamp assembly. The clamp assembly can further comprise a second clamp member having a first portion that opposes the first clamp member and cooperates with the first clamp member to clamp the accessory between the first and second clamp members. An attachment plate can carry the clamp assembly. The attachment plate can have a first mating detail formed thereon that is configured to selectively and removably mate with a complementary second mating detail on the power tool in an assembled position.08-01-2013
279106000 PIVOTED JAW 4
20080224426CHUCK WITH TRIAXIAL CONSTRUCTION - A chuck with triaxial construction comprises a receiving surface for a test substrate and arranged below the receiving surface: an electrically conductive first surface element, an electrically conductive second surface element electrically insulated therefrom, and an electrically conductive third surface element electrically insulated therefrom, and, between the first and the second surface element, a first insulation element and, between the second and the third surface element, a second insulation element. A chuck for very low current measurements which can be used to prevent the occurrence of leakage currents and a triboelectric charge and which is configured favourably in terms of production, is achieved because at least one of the electrically conductive surface elements is mechanically connected to at least one insulation element and has an elasticity that compensates for an expansion difference resulting from differences in different coefficients of expansion between a respective surface element and an adjoining insulation element.09-18-2008
20110266758OSCILLATING TOOL - A clamp arrangement for releasably securing an accessory to an oscillating power tool can include a tool body including a motor that drives an output member. A clamp assembly can include a first clamp member that moves relative to the accessory between a closed position wherein the clamp assembly retains the accessory and an open position wherein the first clamp member of the clamp assembly is offset from the accessory permitting removal of the accessory from the clamp assembly. A lever can have a user engagement portion and a pivot portion including a pivot axle. The lever can be pivotally coupled to the tool body about the pivot axle between a first position, wherein the clamp assembly is in the closed position and a second position wherein movement of the user engagement portion of the lever causes the clamp assembly to be moved to the open position.11-03-2011
20090108545SPIN CHUCK - The present invention is directed to a spin chuck for use in a process, such as a cleaning process and an etching process, performed while rotating a substrate. The spin chuck includes a spin head on which a substrate is placed, a driving part configured to rotate the spin head, and a fix bracket installed on the spin head and having a contact surface that is in contact with a flat surface of a flat zone of the substrate at a position corresponding to the flat zone to prevent a vortex caused by the flat zone. Since the fix bracket has the same shape as the flat zone of the substrate, an air current unbalance resulting from the flat zone is suppressed to uniformly inject etchants to a rear surface of the substrate.04-30-2009
20110266759OSCILLATING TOOL - A clamp arrangement for securing first and second accessories to an oscillating power tool can include a tool body including a motor that drives the first accessory. A clamp assembly can include a first clamp member that moves relative to the accessory between a closed position wherein the clamp assembly retains the first accessory and an open position wherein the first clamp member of the clamp assembly is offset from the first accessory permitting removal of the first accessory while the first clamp member remains coupled to the clamp assembly. The clamp assembly further includes a second clamp member that cooperates with the first clamp member to clamp the first accessory between the first and second clamp members. An auxiliary attachment surface is configured on the second clamp member and selectively connects with the second accessory while the first accessory is concurrently retained by the clamp assembly.11-03-2011
279006000 ECCENTRIC 2
20080284115Apparatus to secure a cylindrical object for laser processing - A device for holding an essentially cylindrical work piece (11-20-2008
20090206559Eccentric collet chuck for CNC lathe adjustment the concentricity and misalignment - An eccentric collet chuck comprising: a clamp hexagons nut and a body shank having inner conical surface axis eccentric with outer body shank surface axis and rotate able within the stationary tool holder mounting socket, the eccentric collet chuck is design for easy adjustment of concentricity and misalignment between spindle axis of a lathe and turret tool holder axis.08-20-2009
279005000 ANGULARLY ADJUSTABLE OR INDEXING 2
20100084828INDEXING DEVICE FOR MACHINE TOOL - A cylindrical pressure-receiving member 04-08-2010
20090212506TOOL HOLDER - The present invention relates to a tool holder, adapted to hold a tool for working at least a portion of a work piece, which portion extends substantially in a plane. The tool has a working tip which is located in an apex position of the tool holder when the tool holder holds the tool. The tool holder comprises an arm which is pivotable around a first axis of rotation and a fastening device adapted to carry the tool. The fastening device is connected to the arm and the tool is pivotable around a second axis of rotation when the fastening device carries the tool.08-27-2009
279129000 BY CENTRIFUGAL FORCE 2
20130214497SUBSTRATE ROTATION HOLDING APPARATUS AND SUBSTRATE PROCESSING APPARATUS - An aspect of one embodiment, there is provided a substrate rotation holding apparatus, including a substrate holding section configured to hold a substrate by sandwiching around an outer periphery end portion of the substrate with a disk shape by a plurality of holding members, each of the holding members having a contact surface with the substrate, the contact surface being a concave curvature surface, and a rotation driving section configured to rotate the substrate holding section.08-22-2013
20090072503SYSTEM FOR CENTRIFUGAL-FORCE COMPENSATING IN AN ELECTRIC MACHINING-CHUCK ACTUATOR - A chuck rotatable about an axis has an actuator system with a housing rotatable about the axis and connected to the chuck, a threaded rod in the housing, extending along the axis, connected to the jaws, and axially displceable to radially shift the jaws, an electric motor, a drive wheel rotatable about the axis on the housing and driven by the motor, and a harmonic drive. This drive has a wave generator rotationally fixed to the drive wheel, a flexspline surrounding the wave generator and having external teeth, and a ring gear fixed on the housing meshing with the ring gear, and normally rotating jointly with the threaded shaft, a threaded connection between the flexspline and the threaded rod. A sensor on the chuck detects an instantaneous rotation speed of the chuck, and a controller connected between the sensor means and the electric motor axially shifts the chuck in accordance with the sensed rotation speed.03-19-2009
279136000 FOR GEAR OR SPLINE MOLDING 1
20120119452Diaphragm chuck - A diaphragm chuck with an operating element inserted in a chuck body and axially movable in relation to the chuck body, a diaphragm attached to a free end of the operating element with the diaphragm secured to the chuck body by its outer circumference, three base jaws in driving connection with the diaphragm, on each of which a centering surface is disposed in a concentric alignment with the axis of the operating element, three clamping jaws attached to the corresponding base jaws, by which a gear to be machined can be clamped and which make contact with the centering surface, and clamping pins, each allocated to one of the clamping jaws, radially aligned and arranged between two teeth of the gear in the clamped condition, such that the diaphragm chucks reliably clamps differently sized gears and gears with different numbers of teeth between the three clamping jaws.05-17-2012
279137000 MORE THAN ONE SET OF GRIPPING MEANS 1
20080284117TOOL HOLDER AND MACHINE TOOL EQUIPPED WITH THE TOOL HOLDER - The present invention provides a tool holder interchangeably attached to a machine tool such as a combined machining lathe. A combined machining lathe 11-20-2008
279008000 LONGITUDINAL SCREW CLAMP 1
20110260414POWER TOOL - An effective technique is provided for rationally clamping and holding various kinds of tool bits which can be selectively replaced with each other and attached to the driving shaft, in a power tool10-27-2011
279139000 JAWS MOUNTED ON FLEXIBLE MEMBER; I.E., DIAPHRAGM 1
20120286482DIAPHRAGM CHUCK AND MACHINE TOOL - A diaphragm chuck for a machine tool has a first clamping diaphragm and a second clamping diaphragm which is offset relative to the first clamping diaphragm along an axial direction. The first clamping diaphragm has multiple first chuck jaws and the second clamping diaphragm has multiple second chuck jaws, and the first and the second clamping diaphragms are detachably connected to one another.11-15-2012
279132000 COMPENSATION FOR ECCENTRICITY 1
20080238002FLOATING CHUCK MECHANISM - A floating chuck mechanism provided at a workhead that is arranged at a processing apparatus for sandwiching a cylindrical-shaped workpiece by means of two center members along a rotational axis, the floating chuck mechanism causing the workpiece to rotate about the rotational axis and correcting an eccentricity between the rotational axis and a center of an outer diameter of the workpiece, includes a chuck body portion including plurality of clamp jaws for holding the workpiece from the outer peripheral side thereof, and a chuck base portion fixed to the workhead so as to rotate therewith, the chuck base portion including a fixed portion fixed to the workhead and a slide portion slidable along a slide surface perpendicular to the rotational axis. The chuck body portion is fixed to the slide portion and sliding along the slide surface so as to correct the eccentricity.10-02-2008

Patent applications in all subclasses Chucks or sockets