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| Number | Title | Issue Date |
| 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 |
| 7331585 | Machining adapter having a collet and positive axial stop An adapter for holding a workpiece to be machined in an accurately located axial position can include a main sleeve having an interior wall defining a passage extending therethrough with at least one inner surface angled inwardly toward a centerline of the passage, ... | 02/19/2008 |
| 7309194 | Variable radius balanced boring head One or more embodiments of the invention enable a boring head to hold a boring tool at an adjustable offset from the axis of rotation in a balanced configuration while maintaining stability when rotating at high speed. The apparatus comprises a boring head body, a b... | 12/18/2007 |
| 7272204 | Method and apparatus for clamping a riser brace assembly in nuclear reactor An apparatus and method are provided which are designed to structurally replace welds that attach a riser brace assembly to a jet pump riser pipe. The riser brace assembly may include an upper clamp assembly, a lower clamp assembly, and a plurality of mechanical fas... | 09/18/2007 |
| 7249917 | Boring tool A boring tool for use in a tool holder, such as a boring head, that is driven about a drive axis and includes a pair of parallel bores for mounting boring tools generally includes a body including a cutting edge and a pair of mounting shanks for mounting in the bore... | 07/31/2007 |
| 7013773 | Tool holder for carrying multiple tool heads simultaneously A tool holder simultaneously carries at least two diametrically arranged tool heads, each tool head carrying cutting inserts for chip removing machining. The tool holder includes an adaptor connected to a coupling. The adaptor has at least two diametrically opposite... | 03/21/2006 |
| 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 |
| 6647879 | Bridge sleeve for printing apparatus A sleeve is provided with a clamp for removably clamping the sleeve on a mandrel. A rigid ring is mounted inside of the sleeve at each end of the sleeve. Each ring has a generally cylindrical inside surface which includes a curved contact portion which ex... | 11/18/2003 |
| 6631771 | Controller and control method for orbit boring For an orbit boring to be performed by a tool (10) in an orbital motion along an orbit (A), a permissible range of an acceleration (a) of the orbital motion is provided to meet a criterion of a machining precision of the orbit boring, and the acceleration... | 10/14/2003 |
| 6578456 | Machine tool and workpiece chuck In order to improve a machine tool for the turning of workpieces with eccentric sections, comprising a tool support, a workpiece spindle which comprises a workpiece chuck, in which the workpiece can be clamped with a variably adjustable eccentricity, wher... | 06/17/2003 |
| 6497765 | Multi piece swivel chuck for holding conical shaped work An improved chuck for supporting elongated work pieces having conical end portions, such as single crystal ingots used to fabricate semiconductor wafers, while such. The chuck is typically used in a lathe for positioning and allowing rotation of the work ... | 12/24/2002 |
| 5971682 | Toolholder For correcting eccentricity of a tool chucked in a first part of an at least two-part toolholder, which first part is detachably connected via clamping means to a second part of the toolholder, which is clamped in a machine tool and rotates about an axis ... | 10/26/1999 |
| 5911420 | Chuck spindle apparatus A chuck spindle apparatus comprises a chuck spindle mounted for rotation about a central rotational axis, a chuck main body integrally connected to a forward end of the chuck spindle for rotation therewith, and an indexing device. The chuck main body has ... | 06/15/1999 |
| 5752706 | Adjustable tool holder for machine tools A tool holder for machine tools which provides for both angular and radial alignment of the tool with respect to the working axis of the machine. A tool chuck is part of a ball and socket unit, with the ball being pivotable within the socket for angular a... | 05/19/1998 |
| 5711196 | Tooling apparatus and methodology for machining a blank having multiple spin centers A tooling apparatus and method for machining a blank having a first surface portion with a first spin center and a second surface portion with a second spin center offset from the first spin center. The improved tooling apparatus includes a turning fixtur... | 01/27/1998 |
| 5544556 | Reversibly rotatable chuck with internal cam for shifting work axis A chuck body has an internal cam unit eccentrically mounted within antifriction bearings, and the cam unit includes a workpiece gripper. A radial pin extends through the chuck body into a peripheral slot of the cam unit. When rotating in a first rotary di... | 08/13/1996 |
| 5533847 | Alignment adapter In known tool holders only a single screw is used to compensate for axiality faults which exist. It is true that this is a simple construction, but it is not adequate for sensitive compensation of axiality faults requiring attention, particularly in fine ... | 07/09/1996 |
| 5497683 | Holding device for cutting a toric lens A holding device for cutting a toric lens includes a chuck member which holds the lens workpiece, with a rotation and guide assembly provided such that an axis of the chuck member moves along a line perpendicular to the axis of rotation. The chuck member ... | 03/12/1996 |
| 5316419 | Device for making a drilled hole with an undercut Device for producing a drilled hole with an undercut in a facing panel, consisting of a drilling machine and a drilling tool for forming the drilled hole connected to the drilling machine via an adapter for transferring torque; and a holding device of a s... | 05/31/1994 |
| 5180174 | Potter's wheelhead assembly with relocatable axis of rotation A wheelhead assembly for use upon a vertical rotary power drive shaft of a potter's wheel includes a top plate, a drive shaft coupler, and a locking arrangement for releasably securing and adjustably relocating the top plate relative to the drive shaft co... | 01/19/1993 |
| 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 |
| 5082299 | Adjustable rotational coupler An adjustable rotational coupler includes a housing having an interior bore concentric with a central axis of the housing. The housing is mountable to a mounting member. Threaded adjusters can be used to adjust the housing with respect to the mounting mem... | 01/21/1992 |
| 5040931 | Coupling mechanism A mechanism for clamping a tool (e.g. a probe) and a shank together comprises a clamping pin (144), which bears against an annular lip (142) in the rear face of the probe. A shaft (148) of the pin (144) extends into the shank (150), and two diametrically ... | 08/20/1991 |
| 5017058 | Mechanical fine adjust boring head Mechanical fine adjust boring head including an adjustment drive train through a worm wheel drive of an eccentric cam orbiting a drive key engaging a slide to effect linear radial adjustment. Anti-friction bearings for the cam and orbital drive connection... | 05/21/1991 |
| 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 |
| 4895058 | Eccentric spindle Apparatus for use in cutting a workpiece on different centers. The workpiece is mounted in a chuck on a spindle top. The spindle top is mounted on the upper end of a rotatable, vertical spindle shaft adjacent to a cutting tool in different positions space... | 01/23/1990 |
| 4836725 | Adjustable tool-holder in machine-tools for slot milling Lathes usually have only two axes of movement for the tool, namely the directions of the displacement of the saddle and cross rest. Since power-driven tools are increasingly being used, especially in NC lathes, in which radial and axial slotting is perfor... | 06/06/1989 |
| 4776734 | Tool holder For correcting axial errors of a tool, the latter is held by a two-part tool holder, whose two parts are reciprocally displaceable by a setscrew along their engaging interfaces at right angles to the axis. For this purpose, the locking screws of a flange ... | 10/11/1988 |
| 4771933 | Three-jaw chuck for a lathe The chuck clamps a workpiece on a clamping axis eccentric to the rotation axis of the chuck. The spacing between the rotation axis and the clamping axis parallel to it can be varied along a radial axis spacing line going through the rotation axis. One jaw... | 09/20/1988 |
| 4730837 | Jaw chuck for workpieces having a plurality of processing axes The chuck has a mounting body with an associated chuck assembly and a pivot device. For clamping of a workpiece at least one chucking jaw can adjustably be swung away from its chuck assembly, and the clamped workpiece, together with the chucking jaws can ... | 03/15/1988 |
| 4708543 | Coarse radial adjustment boring quill Coarse radially adjustable tool holder employing eccentric adjustment ring combined with linear guide means confining tool point to linear adjustment path within fine adjustment eccentric bushing such as provided by "Briney Precision Adjustment Tool".... | 11/24/1987 |
| 4682521 | Quick change, adjustable tool holder A tool holder for cutting tools used on metal cutting lathes which allows for easy adjustment of the tool position with respect to the work to be cut. Provides a simple and rapid means of tool change and adjustment while eliminating the need for extra too... | 07/28/1987 |
| 4669741 | Power-operated jaw chuck for eccentrically supporting workpieces in a machine tool The power chuck is particularly intended for holding crankshafts. The chuck has a base, a head, and clamping jaws. The head is radially guided with respect to a clamping axis which extends parallel to an axis of rotation. The clamping jaws are connected t... | 06/02/1987 |
| 4666353 | Eccentricity adjustment device The present invention is a device for adjusting eccentricity of the design axis of rotation of a rotary tool (12) with regard to the axis of rotation of a drive spindle (10). The device includes male and female members (22, 24), one matable to each of the... | 05/19/1987 |
| 4610111 | Eccentrically adjustable attachments for power tools A surface treatment attachment for a power tool, for example a sanding attachment for a hand-held power drill, has a body which can be secured to the power tool to be rotated thereby and which is arranged to receive a treatment head (e.g. a sanding disc).... | 09/09/1986 |
| 4369007 | Fly cutter tool An adjustable fly cutter tool for cutting and forming blanks of metal, wood, plastic, glass, etc. The tool can be used on a conventional lathe or milling machine, and enables the operator to continuously change the depth of the cut into the blank without ... | 01/18/1983 |
| 4234276 | Dresser for offset electrode An offset electrode dresser includes a cylindrical collar having an aperture offset from its axis for retaining an electrode to expose only that area of an electrode tip which is to be dressed. A dressing tool is contained within a chuck which is position... | 11/18/1980 |
| 4218068 | Deflectable holding assembly This invention relates to a holding assembly (10) for connecting a shaft (20) to a drive member (16), the holding assembly has a body (12), first and second end portions (14,18) and a middle portion (21), a member (52) is connected to the body (12) at the... | 08/19/1980 |
| 4211510 | Adjustable boring head An adjustable boring tool including an axial shank and a socket for mounting a cylindrical boring bar with an offset axis clamped in adjustable position through transverse and longitudinally slotted segments on one side of the socket together with a trans... | 07/08/1980 |
| 4205859 | Indexable chuck A workpiece chuck assembly has a head adapted to be fixedly connected to the rotary driven spindle of a machine tool and a chuck member journalled in said head for rotary indexable movement about an axis radially offset from the rotary axis of the head.... | 06/03/1980 |
