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| Number | Title | Issue Date |
| 7963527 | Chuck and method for manufacturing a chuck A chuck (10) has a chuck body (12), which is provided with three guide devices (24), on each of which is received a radially movable clamping holder (34) for fixing a workpiece to chuck body (12), the guide device (24) being... | 06/21/2011 |
| 7365924 | Sight tube pivot assembly An improved aiming tube pivot assembly for use in a sighting and/or aiming apparatus which comprises an aiming tube axially mounted within an outer tube (or housing). A support ring supports the aiming tube within the outer tube in a gimbal-like arrangement by means... | 04/29/2008 |
| 7328904 | Power tool with power-take-off driven pusher-type chuck having device for reducing tension in pusher screw A chuck for a drill/driver. The chuck can include an input shaft having a cavity, a chuck actuating shaft and a chuck actuating screw. The chuck actuating shaft can be received in the cavity and can be rotatable about a chuck axis. The chuck actuating shaft can have... | 02/12/2008 |
| 7281741 | End-effectors for handling microelectronic workpieces End-effectors may be used to grasp microelectronic workpieces for handling by automated transport devices. One such end-effector includes a plurality of end-effectors and a detector adapted to detect engagement of the edge of the workpiece by at least one of the abu... | 10/16/2007 |
| 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 |
| 7198277 | Wheel chuck with counterweighted jaws A wheel chuck includes a plurality of moveable jaws mounted upon a support structure. A plurality of moveable counterweights are mounted upon the support structure with each counterweight opposite from and connected to a corresponding one of the jaws. Upon rotation ... | 04/03/2007 |
| 7185573 | Vacuum wheel chuck A wheel chuck assembly includes a support plate having at least one aperture formed therethrough. The support plate is adapted to be mounted upon a lathe spindle. An air conveying device is mounted adjacent to the support plate and is operable to induce an air flow ... | 03/06/2007 |
| 7036827 | Three directional opening/closing chuck Cylinder mechanisms are provided for driving three jaw members each of which includes a cylinder hole having a long circular cross section, a piston which slides in the cylinder hole and has a long circular cross section, and a piston rod extending from the piston. ... | 05/02/2006 |
| 7032287 | Edge grip chuck An actuated edge grip chuck includes tabs with raised portions that press against the side of a substrate as opposed clamping on the top or bottom surfaces. The edge grip chuck includes a solid-state actuator to move a moveable tab into an open position. The solid-s... | 04/25/2006 |
| 6957999 | Vehicle wheel rim polisher A vehicle wheel rim polisher may include: a spindle including a mounting end for accepting a vehicle wheel rim, the spindle being drivable to rotate the mounting end about an axis of rotation, a polishing head support and movement mechanism including a polishing hea... | 10/25/2005 |
| 6932357 | Gear reducing collet nut assembly A gear reducing collet nut assembly is provided for holding a tool bit. The assembly includes an outer grip sleeve that can be rotated to actuate a clamping structure with a bore for holding a tool bit. More specifically, the assembly includes a planetary gear syste... | 08/23/2005 |
| 6916026 | Powered turntable with universal, self-adjusting chuck for holding auto wheels and the like for polishing A new and improved powered rotating turntable with a universal, self-adjusting chuck for holding auto wheels and the like for polishing, which includes a pneumatically-adjusted, self-centering metal chuck for gripping and holding specialty wheel rims of motor vehicl... | 07/12/2005 |
| 6913429 | Tooless bit retaining assembly A bit retaining assembly for retaining a bit in a rotary tool, in particular a router such as a hand-held router, a table-mounted router, a pocket cutter, a laminate trimmer, a rotary cutout tool, or the like employs a planetary gear system for multiplying the torqu... | 07/05/2005 |
| 6863491 | Catch-pin water support for process chamber A new and improved wafer support for supporting wafers in a process chamber such as an edge bead removal (EBR) chamber. The wafer support comprises multiple wafer support units each including a gripper block that engages an edge portion or bevel of the wafer. The gr... | 03/08/2005 |
| 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 |
| 6629697 | Chuck apparatus A chuck apparatus including a chuck, and a power-driven device which selectively places the chuck in an object-hold state thereof in which the chuck holds an object, and an object-release state thereof in which the chuck releases the object, the power-dri... | 10/07/2003 |
| 6612589 | Holding device A holding device includes a support frame; multiple pairs of holding fixtures mounted on the support frame; a holding fixture pulley attached to one holding fixture of each one pair of holding fixtures; at least one frame pulley attached to the support fr... | 09/02/2003 |
| 6601856 | Method and device for the dynamic lubrication of a power chuck Moving parts of the chuck are enclosed in a sealed cavity which is provided with a circulating lubrication. The power which drives its flow is derived from the force needed for opening and shutting the tongs of the chuck. In a chuck with hydraulically act... | 08/05/2003 |
| 6547258 | Opening and closing chuck A chuck body has a first surface for fixing to a support body and a second surface opposite to the first surface, and the second surface of the chuck body is provided with a pair of chuck members for chucking a workpiece and a guide rail for guiding an op... | 04/15/2003 |
| 6491305 | Chuck and gripping claws for chuck A chuck comprises: a chuck body attached to a spindle of a machine tool; master jaws attached to the chuck body along the normal of the chuck body and formed with T-shaped grooves extending along the length thereof; T nuts having tops and trunks, the tops... | 12/10/2002 |
| 6409182 | Lathe chuck with two sets of jaws A lathe chuck has a chuck body rotatable about an axis and having a plurality of angularly equispaced and axially forwardly open angled guides, a set of first jaws in some of the guides, and a set of second jaws in the other guides alternating with the fi... | 06/25/2002 |
| 6397712 | Lathe chuck with jaw-position monitor A lathe chuck has a rotatable chuck body formed with jaw guides and with respective secantally extending rack guides crossing the jaw guides. Jaws are radially displaceable in the jaw guides between radial inner and outer end positions and have axially ba... | 06/04/2002 |
| 6364320 | Work head for a machine for shaping objects A work head for a machine for shaping objects. The work head has pincher elements actuated by an operating member which is, mounted to slide coaxially inside the body of the work head, and which is hollow to allow the passage of a tube or object that is t... | 04/02/2002 |
| 6354606 | Chuck adapter assembly and related method for converting a fixed chuck to a compensating chuck A chuck adapter attachable to a fixed chuck mechanism for converting the fixed chuck mechanism to a compensating chuck mechanism includes an attachment plate for connection to the head of the fixed chuck mechanism. The attachment plate includes a pluralit... | 03/12/2002 |
| 6289776 | Method and apparatus for machining bearing housing A scroll machine has a shell which houses a first scroll member, a second scroll member, a driving member and a bearing housing. The bearing housing rotatably supports the driving member and is attached to the shell. The bearing housing is designed such t... | 09/18/2001 |
| 6260855 | Workholding apparatus An apparatus for holding a workpiece in a predetermined position in a machine tool. The apparatus has an axis of rotation and comprises an outer body having an outer surface, an inner bore, a first end and a second end with the second end being insertable... | 07/17/2001 |
| 6073940 | Sealed chuck assembly A sealed chuck assembly having a hollow cylindrical chuck body including a radially disposed front wall and a plurality of master jaws supported on the chuck body to move radially within openings in the front wall and relative to the chuck body in respons... | 06/13/2000 |
| 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 |
| 5711195 | Apparatus and method for precision machining of metal rings There is disclosed an apparatus for machining large diameter, thin-walled steel rings to precise tolerances. A ring of metal stock is placed within the jaws of a group of screw-type clamps located on a flat lathe faceplate. The clamps are evenly spaced ar... | 01/27/1998 |
| 5556085 | Work holder for eyeglasses Work holder comprising a first adjustable jaw having spaced holding surfaces thereon and a second jaw comprising a pair of arms pivoted in the housing and having holding surfaces on their distal ends, the arms adapted to be drawn together by a threaded ad... | 09/17/1996 |
| 5497443 | End machining apparatus and holding fixtures for optical connectors Provided is an optical connector end machining apparatus (1) which comprises a removing section (10) for removing an adhesive agent swollen on the respective end faces of optical connectors, a polishing section (20) located adjacent to the removing sectio... | 03/05/1996 |
| 5354076 | Chuck draw rod connector An assembly for releasably connecting the machine draw rod to a chuck draw rod both of which rotate about an axis, the assembly including a female member having a first end operatively attached to the machine draw rod member and defining a receptacle, the... | 10/11/1994 |
| 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 |
| 5292139 | Clamping chuck for a machine tool, especially an automatic machine tool, and a method for preparing it A clamping chuck comprising a body (1) having a front face provided with radial cuts (3), and jaw holders (4) carrying clamping jaws and sliding in said radial cuts, each side face of the jaw holders carrying at least two slideways, preferably 4 to 8, int... | 03/08/1994 |
| 5251918 | Three jaw chuck stop system In a three jaw chuck the traditional chip guard is replaced by a stop guard having internal threads. An extension tube is threaded to the stop guard forming an adjustable length cylinder. An idler is optionally mounted inside the extension tube(s) to stab... | 10/12/1993 |
| 5248155 | Container holder A container holder which can be used with a variety of containers when positioning them in a container processing step is disclosed. Pairs of container holding members are disposed within a holder body which receives a container. One pair of holding membe... | 09/28/1993 |
| 5224747 | Chuck device with multistage degree of opening This invention relates to a chuck device with multistage degree of opening composed of an oscillating actuator acting as a driving part and an arm opening or closing mechanism installed at one end part to which an output shaft of the oscillating actuator ... | 07/06/1993 |
| 5192087 | Device for supporting a wafer A device for supporting a wafer comprises a base plate for arranging the wafer thereabove and a plurality of supports circumferentially arranged on the base plate to support the peripheral of the wafer. In order to expose portions of the wafer covered by ... | 03/09/1993 |
| 5172617 | Lathe chuck A power chuck has a stationary housing, a chuck spindle rotatable in the housing about a chuck axis, a plurality of jaws carried on the chuck body movable radially toward and away from one another, an actuator shaft movable axially relative to the body, a... | 12/22/1992 |
