Bizarre Patents
A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
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 |
| 8157271 | Floating 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... | 04/17/2012 |
| 7770901 | Chuck for angular offset woodturning A chuck (1) for angular offset woodturning including a first member (2) adapted to be secured to a lathe, and a second member (3) adapted to support a work piece and secured to the first member in such that the second member is oriented with res... | 08/10/2010 |
| 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 |
| 7201808 | Method and apparatus for rotating a semiconductor substrate An apparatus that includes a rotatable single wafer holding bracket with one or more wafer supports disposed on the single wafer holding bracket, wherein the one or more wafer supports position a center of a wafer to be off-center from an axis of rotation of the sin... | 04/10/2007 |
| 6869083 | Eccentric work piece holder and method of making same An eccentric work piece holder supports a work piece in alignment during rotary operations. First-, second- and third aligning members, associated with the rotary axis of a rotary unit, provides pivoting movements relative to the rotary axis while bearing the work p... | 03/22/2005 |
| 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 |
| 6824142 | Method of alignably supporting a work piece for rotary movements A method of alignably supporting an eccentric work piece for rotary movements uses a work piece holder that supports the work piece in alignment during rotary operations. A plurality of cooperating aligning members mounted along the rotary axis of a rotary unit, pro... | 11/30/2004 |
| 6746024 | Chuck with angular compensation The chuck comprises jaws which, in addition to their radial movement, can each swivel around an axis essentially parallel to the axis of the chuck, and where this axis glides in a radial slideway of the chuck in order to allow said radial movement. This swivelling a... | 06/08/2004 |
| 6655699 | Six jaw equalizing chuck An equalizing chuck assembly for heavy duty application includes a chucking assembly having a plurality of rocker arms operably connected to an actuator by a plurality of toggle links. Jaw members are disposed on one end of the rocker arms and a counterwe... | 12/02/2003 |
| 6467775 | Clamping device for objects, for example for workpieces to be treated A clamping device for objects, has a housing, at least two clamping jaws which is radially displaceably guided relative to a longitudinal central axis, actuating elements associated with the clamping jaws for actuating the latter, clamping pistons displac... | 10/22/2002 |
| 6460862 | Chuck with rotary vane actuator There is provided a chuck having four radial jaw grooves, two pairs of opposed jaws movably provided in the grooves, a first rotary vane actuator for actuating one pair of the opposed jaws, and a second rotary actuator for actuating the other pair of the ... | 10/08/2002 |
| 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 |
| 6375197 | Clamping chuck with six arms mounted on ball joints compensated two by two The clamping chuck comprises six jaw carrier arms (4) that are operated two by two by one and the same compensator (5). Each compensator hinges with a pulling member (3) centered on the axis of the chuck and sliding axially in its main body (1) through th... | 04/23/2002 |
| 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 |
| 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 |
| 6220608 | 4-jaw self-centering chucking system The present invention is directed to a chucking system. The body of the chucking system preferably houses cam plates which may be driven manually by an independent worm shaft, or hydraulically by a piston/gear rack in lieu of a worm shaft. A face plate pr... | 04/24/2001 |
| 6206382 | Equalizing power chuck An equalizing power chuck includes a body, a plurality of work engaging jaws, and a plurality of rocker arms carrying the jaws. The rocker arms extend axially along an axis and have a mounting portion at one axial end for the jaws and an end portion at th... | 03/27/2001 |
| 6186712 | Tool holder A tool holder includes a holder body having a first section to be attached to a machine and a second section coaxially exteding from the first section, a ring in which part of the holder body is received, and an assembling device for removably assembling ... | 02/13/2001 |
| 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 |
| 6116617 | Multiple-jaw chuck for a large workpiece A chuck has a chuck body, an actuating element limitedly axially displaceable in the body, a first set of guide pistons axially fixed in the actuating element, angularly spaced about the axis, and each forming a guide passage extending at a small acute an... | 09/12/2000 |
| 6036197 | Device for clamping and driving a pre-positioned work piece Clamping is ensured by at least two pivoting arms one end of which co-operates with a half draw member (10a, 10b) via a link having a truncated sphere (19) and an inclined plane (10). The draw member is mounted coaxially outside a locking ring (9) displac... | 03/14/2000 |
| 5941538 | Equalizing chuck An equalizing chuck includes a body, a plurality of work engaging jaws, and a plurality of rocker arms carrying the jaws. The rocker arms extends axially along an axis and have a mounting portion at one axial end for the jaws and an end portion at the oth... | 08/24/1999 |
| 5605343 | Gripping jaw This invention relates to a gripping jaw (1) comprising: a body (4); a traction rod (6) sliding axially in the body (4); at least one jaw holder (3) sliding radially in the body (4); and a transmission system (7,8) converting axial translation of the trac... | 02/25/1997 |
| 5522608 | Self compensating and geometrically centering chuck A method and apparatus for a self compensating and geometrically centering jaw type chuck for engaging and retaining a workpiece, particularly an asymmetric workpiece, wherein a geometric center of the workpiece is aligned with a rotation axis of the chuc... | 06/04/1996 |
| 5441284 | Fluid operated chuck and methods of operation Workpiece chucking apparatus includes a chuck body mounting a first plurality of prepositioning lock-up fingers and a second plurality of gripping fingers. The lock-up fingers are biased together radially outwardly or inwardly into engagement with a perip... | 08/15/1995 |
| 5429375 | Fluid actuated chuck with lock-up fingers for eccentric workpiece walls Workpiece chucking apparatus includes a chuck body mounting a first plurality of lock-up fingers and a second plurality of gripping fingers. The lock-up fingers are individually biased radially outward into engagement with a peripheral wall of a workpiece... | 07/04/1995 |
| 5429376 | Fluid-operated collet chuck with centering fingers A chuck for gripping workpieces to be machined has a chuck body with a workpiece support surface for supporting a workpiece to be machined. Generally radially movable centering and gripping collet fingers are concentrically supported by the chuck body. An... | 07/04/1995 |
| 5320009 | Guide bush A guide bush is described, having a bush-holder and a quill integral with the bush support. The device has a clamp capable of rotating a workpiece, means for opening and closing the clamp and regulating means adapted to monitor the opening and closing mea... | 06/14/1994 |
| 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 |
| 5174179 | Holding device A holding device on a turning machine for a workpiece, which is held by a chuck serving as a clamping device and being arranged at a receiving disk, is equipped with separate correcting elements disposed at the clamping device. The correcting elements may... | 12/29/1992 |
| 5143686 | Chuck with four differential jaws A chuck with four differential jaws capable of holding an object of an irregular shape with even fixing force from four jaws by driving all four jaws disposed in a cross at right angle at the same time by a single operation. In the first type chuck, two j... | 09/01/1992 |
| 5137287 | Pivoted chucking jaws with low friction rollers A chuck jaw is provided having a pivotally mounted gripper mounted to the base jaw. Each end of the gripper serves as a chuck point, so that a three-jaw chuck can be used to provide six chuck points. Preferably, rollers are provided at each chuck point of... | 08/11/1992 |
| 4971339 | Collet type work driver A collet type work driver for holding and driving a workpiece which is located between work centers upon a grinder, lathe or similar machinery, is disclosed. The work driver includes a unique free-floating collet package which rotates essentially free fro... | 11/20/1990 |
| 4966375 | Lathe chuck for offecenter workpiece rotation A chuck has a chuck body generally centered on and rotatable about a rotation axis, a head displaceable on the chuck body generally perpendicular to the rotation axis, and three jaws angularly generally equispaced on the head about a clamp axis offset fro... | 10/30/1990 |
| 4946178 | Chuck and method of chucking A chuck and methods of chucking or clamping a workpiece for multiple machining operations without requiring rechucking or repositioning of the workpiece employs an arcuate cradle for supporting the workpiece with an abuttment at one of its ends. The workp... | 08/07/1990 |
| 4718682 | Four jaw radial chuck A chuck especially for a machine tool that operates in a universal manner as a two, three or four jaw chuck. The chuck (10) comprises four jaws (25) arranged in diametrically opposed pairs on the front face (12) of the chuck (10). The chuck (10) including... | 01/12/1988 |
| 4677885 | Face driver for centering and driving workpieces chucked in a lathe A face driver for centering and driving a workpiece to be chucked in a lathe comprises a support provided with a dead center member and several driving pins around the dead center member so as to be movable and pressable against the workpiece by a compres... | 07/07/1987 |
| 4598917 | Power chuck, particularly for turning machines In a power chuck 1, particularly for turning machines, the drive member 11 which act through oblique surface 10-12 on the radially displaceable jaws 4 are each firmly connected to a setting piston 17 which is movable in the axial direction A, of the chuck... | 07/08/1986 |
| 4591172 | Power chuck In a power chuck including jaws moved by drivers which are displaceable in the axial direction of the chuck body by means of an axially displaceable actuating member mounted in the chuck body, the actuating member is coupled to the individual drivers thro... | 05/27/1986 |
| 4570950 | Compensating chuck The chuck disclosed has three radially movable jaws for gripping and releasing a workpiece. The jaws are displaced radially by means of a draw-bar actuated puller plate coupled to the inner ends of inclined, radially extending rods on which the jaws are m... | 02/18/1986 |
