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Class 408/150 - To move eccentrically mounted tool


Subclass of Class 408 - Cutting by use of rotating axially moving tool
Definition: Device wherein the tool is secured to the tool-sustaining
No. of patents: 41
Last issue date: 02/12/2008


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NumberTitleIssue Date
7328637Apparatus for machining a cylinder bore surface and method of machining the cylinder bore surface using the apparatus
An apparatus for machining a circumferential surface defining a cylindrical bore of a workpiece, the apparatus including a tool holder rotatable about a first rotation axis, and a form roller supported on the tool holder so as to be rotatable about a second rotation...
02/12/2008
7048482Boring head with tool advance independent of rotation
The transmission of the rotational movement to the driving pinion of the carriage is provided by: a first gear train with a cage mounted so that it can rotate about the axial shaft and the crown wheel of which meshes with a pinion ...
05/23/2006
6579046Tool head
The invention involves a tool head 10, which can be rotated around an axis of rotation 24, with a tool-holding fixture 14, 16 for a tool 20 having a cutting edge 18 and with equipment 38, 40, 44 for adjustment of the radial position of the tool cutting ed...
06/17/2003
6554549Tool with a base body and method for forming bores in a work piece using such a tool
A tool having a base body which carries cutters for machining bores in a workpiece, the cutters being arranged coaxially with one another. The base body further has at least one lifting element, with which the base body can be moved from an eccentric posi...
04/29/2003
6345937Tool and method for the cutting machining of a workpiece
A tool for cutting machining a workpiece, including a cutter plate supported on a holder for machining a surface and additionally comprising a tool projecting from the body of the tool. The cutter plate is supported on a holder which is in turn supported ...
02/12/2002
6343899Machine tool
There is disclosed a machine tool for machining bores having a large axial length and a boring tool especially suited for a machine tool of this kind in which a boring bar holding at least one tool lip is supported by a steady adapted to be connected to t...
02/05/2002
6041485System and method for anchoring a cord-like element to a workpiece
A novel system and method for anchoring a suture or other cord-like element to a bone or other workpiece. The system comprises a drill for forming an undercut hole in a bone or other workpiece, an anchor for securing a suture or other cord-like element in...
03/28/2000
5971678Spindle unit
An apparatus for machining a hole in a work piece includes a spindle motor that is rotatable about a principal axis. The spindle motor includes a tool holder having a tool axis substantially parallel to the principal axis. The tool holder is rotatable abo...
10/26/1999
5957632Tool position correcting device
A tool position correcting device comprises a draw bar supported for axial movement in a central bore of a spindle of a machine tool, a tool holder supported for turning about an eccentric axis displaced from the axis of rotation of the spindle on the nos...
09/28/1999
5647702Apparatus for drilling variable size holes in bowling ball
A bowling ball drilling apparatus for drilling variable size holes includes a table having an upwardly opening ball supporting pocket. A boring apparatus is mounted below the table for reciprocation in a generally vertical direction in a path intersecting...
07/15/1997
5609449Apparatus for fitting and for drilling variable size holes in a bowling ball
The length of a drilling cycle in a bowling ball fitting and drilling method is reduced in an apparatus including a fitting apparatus (10) usable by a bowler to determine the size of a thumb hole and at least one finger hole to be drilled in a bowling bal...
03/11/1997
5597276Apparatus for venting tubes
An apparatus is provided to allow a conventional tube grooving tool to be used to create a vent hole in a tube behind the tube sheet of a boiler or other tubular heat exchanger without cutting a hole or grove in the entire circumference of the tube. The a...
01/28/1997
5533847Alignment 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
5431513Adjustable boring bar with improved accuracy
An adjustable boring bar assembly is provided in which the cutting radius can be altered by predetermined increments simply by releasing and turning the bar within a sleeve of a hydraulic holder. The holder sleeve is slightly eccentrically located relativ...
07/11/1995
5259706Thread repairing tools
A threading tool for repairing, in situ, threads within a bore of a head of an internal combustion engine without the danger of particulate waste falling into the engine housing. The threading tool can be used separately or in combination with a reaming t...
11/09/1993
5180209Apparatus for cutting recessed grooves into concrete and rock material
Recessed grooves are cut into bore hole walls of concrete or rock materials for the purpose of interconnecting two components of such materials at an interface between these components. These recessed grooves are cut by material removing tools which can b...
01/19/1993
5061125Boring device
A boring device adapted to mount boring tools for automatic tool changing, in which an eccentric mounting of relatively rotatable inner spindle 11 and main spindle (2) allows radial adjustment of the tool. Relative rotation of inner and outer spindles is ...
10/29/1991
5036928Device for drilling an undercut in a borehole
A device for drilling an undercut in a borehole in a receiving material comprises an axially extending guide sleeve with an eccentric bore and an eccentric bushing located in the eccentric bore and being rotatable therein relative to the sleeve. A tension...
08/06/1991
5033918Device for fine adjustment of the turning tool bit of a rotating radial adjustment head
A fine adjustment device for turning tool bits in the form of a pneumatic/hydraulic converter for converting of control signals into proportional actuating or adjusting forces with a combination of an oil pump and pneumatically controlled overflow valve, ...
07/23/1991
5030042Machining apparatus having means for changing radial position of cutting tools
A machining apparatus including a rotating shaft disposed rotatably about an axis thereof, an eccentric rotating member supported by the rotating shaft rotatably about an axis thereof which is offset from the axis of the rotating shaft, at least one cutti...
07/09/1991
4818156Tool for making roughing and finishing cuts in a workpiece
A drill for performing a roughing cut in a workpiece as the drill is advanced, and performing a finishing cut as the drill is retracted. A blade carrier is mounted eccentrically on the drill to be movable between first and second positions. In the first p...
04/04/1989
4815904Drilling assembly for making boreholes with undercuts
A drilling assembly for making boreholes with undercuts comprises a housing receiving a drill receiver driven by a drilling machine, a drill, the shaft of which is connected to the drill receiver, and a sleeve-shaped centering insert protruding from the h...
03/28/1989
4776734Tool 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
4773799Apparatus for sampling a section of tube in a nuclear fuel assembly
For sampling a section of a tube in a nuclear fuel assembly comprising a skeleton formed by two end-pieces joined by tubes fixed to the end-pieces an opening for the extraction of the section through the upper end-piece is cut out with a milling cutter. T...
09/27/1988
4756648Rotatably adjustable boring bar
An adjustable boring bar wherein the adjustment of the cutting end is provided by a prestressed internal bar bearing against the cutting end to selectively distort the boring bar in the direction of the cutting bit to compensate for wear. The adjustment i...
07/12/1988
4679972Device in rotary tools
The invention relates to rotary cutting tools (10) provided with cutting means and mounted in a tool holder (11). A sleeve (17) provided with an eccentric bore is rotatably positioned between the tool holder (11) and the cutting tool (10) for radial adjus...
07/14/1987
4648763Counterbalanced adjustable router bit
A router bit having an adjustable blade for cutting various widths of grooves includes a mechanism for maintaining static balance about the axis of rotation for all positions of the cutting blade within the range of adjustment. The router bit includes a m...
03/10/1987
4605346Tool wear compensator
The invention pertains to a fine adjustment for the tool of a machine tool. The tool carrier is displaceable by forces generated by the rotation of a shaft through an eccentric wherein the shaft is indexed by a reversible electric stepping motor. Tool adj...
08/12/1986
4569115Method and apparatus for controlling the depth of cut in the radial direction of a rotary cutting tool in a machine tool
A method and an apparatus for controlling a radial depth of cut of a rotary cutting tool in a machine tool, in particular in a machining center is disclosed wherein an eccentric mechanism for controlling the radial depth of cut of the tip of the cutting t...
02/11/1986
4555205Reamer holding device for machining valve seats
A holding device for a rotating body comprising a tubular member (1) which permits insertion therein of the rotating body, at least three support members (2) disposed along the inner periphery of the tubular member (1) so as to be movable in a substantial...
11/26/1985
4540320Self generating profile generator
A method and apparatus for cutting holes of circular or other shape by first cutting at the center of the proposed hole, then cutting to the circumference and following the shape desired. A tool that accomplishes these functions is described which include...
09/10/1985
4487275Drilling device for undercut boreholes
Drilling device for forming a borehole with an undercut, includes a cutting edge support mounted in a bearing housing so that it can rotate about an axis of rotation and pivot about a pivot axle extending transversely of the axis of rotation. A drive memb...
12/11/1984
4467679Tool head
A tool head, in particular for turning and boring operations, comprises a base, an eccentric sleeve disposed therein, and a tool holder whose rearward portion engages in the eccentric bore of the eccentric sleeve, has a mounting for a tool, and may be dis...
08/28/1984
4439074Boring tool with coarse and fine adjustment
A boring tool includes a central shaft which carries a tool head on a shaft working end and which is mounted in a rotatable bushing for eccentric movement in the tool body. For work adjustment up to 1.00 inch on diameter, the tool head is radially slidabl...
03/27/1984
4224846Turning boring head with a tool for radial adjustment
A turning boring head or the like has a tool, designed for radial adjustment, and whose tool support is able to undergo feed motion, using liquid power into a position dependent on the desired size of the bore being machined. The bore rod body has not onl...
09/30/1980
4211510Adjustable 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
4154555Multiple boring head
A machine tool having a boring bar carrying cutting tools and mounted for rotative adjustment on a rotary driven spindle with its axis offset from the axis of the spindle. An additional cutting tool is mounted for radial adjustment on the spindle individu...
05/15/1979
4120599Boring tool
A single point boring tool using an eccentric for varying the radius of the cutting edge of the tool from the longitudinal axis of the tool to thereby vary the bore being machined. The holder tool can be rotated a full 360°, therefore a small eccentric c...
10/17/1978
4053252Cutting tool holder
A cutting tool holder for rotatably supporting a cutting bar is provided in which the radial distance between the axis of rotation of the cutting tool holder and the cutting edge of the cutting bar is adjustable. The cutting tool holder comprises a hub me...
10/11/1977
4022539Boring bar structure
Boring bar structure including an adapter having an axis of rotation, an eccentric bore through said adapter having a longitudinal axis parallel to but offset from the axis of rotation of the adapter, adapter spline structure in one end of the bore concen...
05/10/1977
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