Quotables
"Inventing is a combination of brains and materials. The more brains you use, the less material you need."
Charles Kettering
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8016298 | Chuck for flexible manufacturing The invention relates to a chuck for flexible manufacturing, said chuck comprising a chuck body, a central draw head guided axially in a central hole of the chuck body and connected to inner jaws radially guided in the chuck body through a straight-wedge mechanism, ... | 09/13/2011 |
| 7762560 | Clamping chuck A clamping chuck has a chuck body and clamping jaws that are shiftable in radial jaw guides. Conveying elements are radially guided in the chuck body. Lubricant is pumped into lubricating orifices, and through them to lubrication points by radial motion of the conve... | 07/27/2010 |
| 7311312 | Chuck drawing a work against the chuck-face A chuck body is made up of axially movable plungers and jaws, in which the jaw has a master jaw body obliquely arranged with respect to an axis of the chuck body, the jaw also has a front face of the master jaw body and a rear end face of a master jaw head for restr... | 12/25/2007 |
| 7226055 | Substrate holding and spinning assembly and methods for making the same A substrate holding apparatus is provided. The substrate holding apparatus includes a chuck yoke, a plurality of arm assemblies, and a plurality of gripper assemblies. A first end of each of the arm assemblies is connected to the chuck yoke and each of the arm assem... | 06/05/2007 |
| 7118299 | Reinforcing bar connection and method A high strength reinforcing bar splice uses a contractible jaw assembly bridging the bar ends to be joined. The jaw assembly includes interior teeth designed to bite into the projecting ribs or deformations on the outside of the bar ends which form the overall diame... | 10/10/2006 |
| 7087122 | Wafer backside plate for use in a spin, rinse, and dry module and methods for making and implementing the same A method for spinning a wafer to enable rinsing and drying is provided. The method includes engaging the wafer at a wafer processing plane and spinning the wafer. The method further includes moving a wafer backside plate from a first position to a second position as... | 08/08/2006 |
| 7059944 | Integrated system for processing semiconductor wafers An integrated process tool for chemical mechanical processing, cleaning and drying a semiconductor workpiece is provided. The integrated process tool includes a CMP module and a cleaning and drying module. After being processed, the workpiece is transported from the... | 06/13/2006 |
| 7040629 | Clamping device for elongated workpieces An arrangement for clamping raw materials in a machine tool for machining elongated workpieces is provided. The arrangement comprises a supporting plate with at least one thoroughgoing opening and at least one clamping device arranged in front of one of the openings... | 05/09/2006 |
| 6964419 | Chuck rollers and pins for substrate cleaning and drying system A design for chuck rollers and a design for chuck pins for a wafer cleaning and drying system is disclosed. Each of the chuck rollers includes a roller head which ensures proper engagement of a wafer with the chuck rollers for rotation of the wafer during a wafer sc... | 11/15/2005 |
| 6953198 | Short pull-back chuck The present invention relates to a chuck for gripping workpieces having an outer chuck body rotatable about a chuck axis and defining a cavity. The chuck includes a collar, coupled to the outer chuck body, having a slot with a slot axis angled relative to said chuck... | 10/11/2005 |
| 6837499 | Ball-bolt chuck A chuck has a chuck body rotatable about a main axis and a plate displaceable axially on the body between an outer position and an inner position. Springs urge the plate into the outer position. A locking element on the body can move between a blocking position prev... | 01/04/2005 |
| 6830273 | Parallel gripper A parallel gripper includes a housing and two adjustable gripper base jaws which are displacably guided in a jaw guiding recess. The base jaws are moved relative to one another by a wedge hook gearing that is adjusted by a piston guided in the housing. The jaw guidi... | 12/14/2004 |
| 6799767 | Chuck device A chuck device includes a first worm gear mechanism linked to a second worm wheel mechanism which operate in tandem to receive, increase, and redirect an input rotational drive force. A conversion mechanism receives and further augments the force from the second wor... | 10/05/2004 |
| 6783310 | Self-centering element A self-centering element for clamping workpieces via deflecting pins, which act between a drive element and self-centering slides. Deflecting pins, which are provided with grooves in which carrier prisms are arranged, are introduced in pairs into recesses in a housi... | 08/31/2004 |
| 6634652 | Non-galling chuck A gripping device that engages and disengages an inserted workpiece with an essentially perpendicular engagement action thereby eliminating any sliding contact with the workpiece. Such perpendicular and non-sliding engagement is achieved through the actio... | 10/21/2003 |
| 6578853 | Chuck assembly for use in a spin, rinse, and dry module and methods for making and implementing the same A chuck assembly for use in a substrate spin, rinse, and dry (SRD) module is provided. The chuck assembly includes a wedge, a chuck body, and a plurality of grippers. The wedge has a sidewall and is designed to move from a lower position to an upper posit... | 06/17/2003 |
| 6568694 | Adjustable workholding jaw assemblies A combination of two or more jaw assemblies for mounting onto a self-centering power chuck to move an irregular workpiece to the axial centerline of the power chuck after it has been clamped. Each jaw assembly has a independent hydraulic system which, whe... | 05/27/2003 |
| 6506143 | Apparatus for finishing inside diameter of work In a finishing apparatus, a plurality of works are retained at distances from each other in a direction of an X-axis. A single spindle is disposed on a table movable in the direction of the X-axis, the spindle has an axis parallel to an axis of each of bo... | 01/14/2003 |
| 6464235 | Lathe chuck with jaw latches A lathe chuck has a chuck body centered on and rotatable about a main axis and formed with a plurality of radially extending jaw-guide grooves and, transverse to the grooves, with respective guide passages each in turn formed with an abutment. Respective ... | 10/15/2002 |
| 6454278 | Counter centrifugal power chuck assembly A power chuck assembly for securing a workpiece as the chuck assembly moves or rotates the workpiece is disclosed. The assembly includes a body portion, at least two gripping members and at least two counterweights wherein said counterweights operate to a... | 09/24/2002 |
| 6371493 | Adaptive clamping type chuck The invention provides a chuck including a plurality of jaws (8), each of which is fixed to the forward end of a jaw carrier arm (5), said arm (5) being borne by a pivot joint (6) mounted on the body (1) of the chuck and the rotation of which imparts to t... | 04/16/2002 |
| 6367816 | Clamping device for objects, for example for workpieces to be treated A clamping device for objects such as workpieces to be treated and the like has a base body having at least one abutment surface for at least one object to be clamped, at least one clamping finger located on a movable carrier and having at least one clamp... | 04/09/2002 |
| 6343797 | Chuck with automatically adjusted jaws and compensation of centrifugal force The invention relates to a chuck with chuck jaws (2) which are guided in the chuck housing (1). Inner jaws (4) which can be coupled or uncoupled are assigned directly or indirectly to said chuck jaws via rack gears (3), whereby the inner jaws (4) are conn... | 02/05/2002 |
| 6299179 | Fluid actuated chuck This invention discloses a chuck apparatus actuated by a fluid including a body, a plurality of master jaws slidably mounted in the body, a fluid driven piston mounted for axial motion relative to the body along an axis, the piston comprising a plurality ... | 10/09/2001 |
| 6170835 | Workpiece clamping apparatus A plurality of clamping motion elements with clamping jaws are moved out of an initial position towards a workpiece under a low operating pressure and caused to bear thereagainst. When all the clamping jaws bear uniformly against the workpiece, a full cla... | 01/09/2001 |
| 6089577 | Two drive-system fluid pressure chuck A two-drive-system fluid pressure chuck including two sets of jaw members capable of chucking a workpiece from two directions X and Y. The chuck includes two cylinder apparatuses, a first rod, a second rod, and a cam member. The first rod being slidably d... | 07/18/2000 |
| 6017266 | Dynamic compensating machine tool chuck An improved machine tool chuck is described in which the chuck body has a rotational axis and master jaws mounted in grooves provided on the surface of the chuck body. Each master jaw is dynamically balanced and includes a gripping jaw and an associated u... | 01/25/2000 |
| 5890720 | Force-actuated clamping chuck A force actuated clamping chuck has a chuck body with a central bore and at least two clamping jaws that are guided in radial jaw guides of the chuck body. The radial jaw guides have opposed sidewalls with a plurality of guide grooves which are engaged by... | 04/06/1999 |
| 5842703 | Force-actuated chuck A force-actuated chuck includes a chuck body having radial jaw guides and clamping jaws guided in the radial jaw guides. At least one force-activated movable drive member is arranged in the chuck body for driving the clamping jaws. Each one of the radial ... | 12/01/1998 |
| 5820137 | Chuck apparatus for centering and locking aluminum wheels A chuck apparatus is operative to center and lock an aluminum wheel in a lathe having a machining centerline. The chuck includes a face plate adapted for rotation about the centerline, and first, second and third radial slide blocks slidably movable perpe... | 10/13/1998 |
| 5716058 | Chuck A chuck having jaws that are displaceable in radial guideways and can be operated by wedge bars. The wedge bars can be displaced beyond a working space to such an extent that the teeth thereof disengage from the teeth of the pertaining jaw. Each of the we... | 02/10/1998 |
| 5630594 | Chuck A chuck, each of the clamping jaws of which is adapted to be driven by a wedge bar that can be displaced in the chuck body beyond the clamping stroke to such an extent that the clamping jaws can be removed radially. A locking mechanism in the form of a ro... | 05/20/1997 |
| 5522607 | Chuck mechanism A chuck includes a body having a vertical chamber for slidably receiving a plunger and having a lateral channel for slidably receiving a pair of jaws. The plunger includes a pair of inclined slots for slidably engaging with a pair of inclined extensions e... | 06/04/1996 |
| 5513860 | Arrangement for clamping a bar of material The invention concerns an arrangement for clamping a bar of material. Such arrangement includes: clamping jaws (MS, MS') guided in a radial direction relative to the bar and adapted to take up two distinctive radial positions referred to as closed and ope... | 05/07/1996 |
| 5340130 | Polyvalent clamp chuck for machine tools Polyvalent clamp chuck for machine-tools comprising a cylindrical chuck body in the front face of which are radially guided at least two gripping jaws that can be brought together or separated by drive means by the axial withdrawal or advance of an intern... | 08/23/1994 |
| 5320365 | Precision air chuck with split cam actuator assembly A precision chuck has a chuck body, top jaws movable radially with respect to a center axis for gripping and releasing a workpiece, master jaws slidably mounted in recesses in the chuck body for radial movement with respect to the center axis and fixedly ... | 06/14/1994 |
| 5197748 | Hydraulic chuck assembly A hydraulic chuck assembly is to be provided on one end of a shaft of a CNC lathe and includes a hollow main chuck body having a front head being formed with a plurality of radially extending and angularly spaced seat retaining slide grooves. A tubular pl... | 03/30/1993 |
| 5184833 | Power chuck A power chuck includes a body, a plurality of work engaging jaws, a plurality of rocker arms carrying the jaws, and a plurality of swivel mountings connecting the rocker arms to the body. The power chuck also includes a plurality of slide members connecte... | 02/09/1993 |
| 5178401 | Rotatable chuck for glass tubes Chucks for glass tubes should be designed so that, on the one hand, they grasp the glass tube gently so that the tube is not destroyed, and, on the other hand, so that they hold it securely enough so that a proper processing of the glass tube is possible.... | 01/12/1993 |
| 5167420 | Apparatus for forming a groove in a glass tube Apparatus for forming a groove in a glass tube without contacting the glass tube in the groove region. The apparatus includes a pair of chucks for holding opposite ends of the glass tube. The chucks are coupled to a motor for rotating the glass tube about... | 12/01/1992 |
