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Class 82/130 - Having hollow cutter head


Subclass of Class 82 - Turning
Definition: Subject matter provided with a cutter head in the form of
No. of patents: 71
Last issue date: 07/15/2008


1    
NumberTitleIssue Date
7398717CNC central cutting and turning machine
The present invention provides a CNC central cutting and turning machine includes a holding head, wherein the rear end of the holding head has a holder, which can turn, mounted thereon, and the holder has at least three claws mounted thereon for jointly holding an o...
07/15/2008
6901828Journal turning lathe having dual feed screw drive
A portable journal turning lathe for machining a shaft at a job site, including a pair of clamping rings that are adapted to be centered at spaced apart locations along the length of the shaft to be machined. Extending between the clamping rings is a plurality of gu...
06/07/2005
6877934Milling head for thread whirling
A milling head for thread whirling, the milling head includes a plurality of cutting elements evenly disposed around a center hole, each cutting element in the plurality of cutting elements includes at least two cutting surfaces formed thereon. Any one of the at lea...
04/12/2005
6862967Boring unit for complex parts, particularly for door handles, with differential control systems
The invention is a new boring unit for complex parts, including a fixing pin, suitable for holding the piece in its hole, and two concentric cylinders coaxial with the pin that are set rotating in the same direction by two electric motors. The inner cylinder is prov...
03/08/2005
6772659Tool head for use in machine tools
A tool head for use in machine tools comprising a base body coupled to a machine spindle, comprising at least one tool-receiving means for a cutting tool, and comprising a rotatable slide mechanism, which eccentrically carries the tool-receiving means, and is rotate...
08/10/2004
6702525Cutting tool for a bar peeling operation
A tool for removing material from a workpiece includes a tool body equipped with at least one roughing head and at least one finishing head. The finishing head includes a holder containing at least first and second finishing inserts. The first finishing i...
03/09/2004
6502488Sleeve cutting apparatus
A cutter for flexible tubing supported on a mandrel having a peripheral groove at the location of the intended cut has an annulus (10) coaxially surrounding the mandrel and arranged for rotation thereabout. A blade carrier (16) is pivoted on the annulus (...
01/07/2003
6202522Portable pipe end preparation machine tool
A portable machine tool for preparing pipe or other annular workpiece ends for welding includes a central mandrel shaft, a cutting head rotatably mounted on the mandrel shaft and a rotary drive connector on the cutting head arranged to concentrically fit ...
03/20/2001
6186037Tube squaring machine having axially stationary cutting tool shaft and axially movable tube holding collet
A portable tool for squaring the ends of tubes is adapted to be coupled to an electrically powered hand drill for driving a shaft carrying a cutting tool at the free end thereof. The shaft is journaled for rotation in a tubular torque housing that is effe...
02/13/2001
6095021Electrically powered hand held pipe cutter
A hub assembly includes a sector gear with teeth that extend over a segment of a gear circle. The sector gear has a lip along an interior circle within the gear circle and concentric therewith. The sector gear is bracketed by a pair of sector plates that ...
08/01/2000
6085623Orbital lathe
An orbital lathe for resurfacing a fifth wheel kingpin having a support column insertable between the kingpin and an underlying surface generally axially aligned with the kingpin. A cutting tool is mounted for rotation about a pin axis and has a first pos...
07/11/2000
6068430Mounting mechanism for a pin mirror cutter
In a mounting mechanism for a pin mirror cutter 22, the cutter body 22 is mounted with its outer periphery inserted into the inner periphery of a cutter mounting portion. an inclined surface of a tapered portion 22 formed on the cutter body and an incline...
05/30/2000
6065378Portable journal turning lathe
The portable lathe 10 for turning a shaft at a job site in the field includes a pair of clamping rings 12 and 14 that are adapted to be centered at spaced-apart locations along a length of a shaft to be refurbished. Extending between the clamping rings ar...
05/23/2000
6055893Machining unit with a rotating head
The machining unit is composed mainly of three essential elements which are the rotor, the phase displacement device and the tool drive mechanism. The rotor (100) includes a rotating shaft (1) and is equipped, for example, with four bores, extending paral...
05/02/2000
6038947Quick return feed for machine tool
A tool feed module for a portable lathe machine tool includes a tool block carrying a cutting tool driven by a feed screw incrementally advanced during a cutting procedure by an actuator arm contacting a striker device located on the tool housing. The act...
03/21/2000
5992277Apparatus for cleaning of the peripheral surface on a cylindrical part
The apparatus for scraping a cylindrical part includes a rotor and a stator. The rotor is equipped with power-driven arrangements which cooperate with power-driving arrangements on the stator for turning of the rotor relative to the stator. The rotor is f...
11/30/1999
5941145Tube squaring tool
A tube squaring tool includes a housing having forward and rearward end areas and a tubular workpiece clamping device located at the forward end area for securing and retaining a tubular workpiece relative to the housing so that the end of the workpiece c...
08/24/1999
5919008Milling cutter
A milling cutter for performing milling work on a work comprises a cutter body having a ring-shaped structure. A plurality of first tips are disposed on an inner peripheral surface of the cutter body along the circumferential direction thereof with a dist...
07/06/1999
5916343Thermo-shrinking film cutting mechanism for a labeling machine
A thermo-shrinking film cutting mechanism used in a labeling machine, including a plurality of cutter units mounted on locating frames and equiangularly spaced around a center guide shaft, each cutter unit including a crank shaft, axle bearings, a couplin...
06/29/1999
5898984Cylinder member holder, machining apparatus having said holder, and machining method using same
A cylinder member holder is used to subject the outer circumferential surface of a cylinder member to cutting machining by non-rotatably supporting left and right ends of a tubular cylinder member by left and right holders and feeding a cutting tool longi...
05/04/1999
5887498Cylindrical member and method for producing the same
There are disclosed a cylindrical member, constituting the main body of an electrophotographic photosensitive drum or a developing sleeve adapted for use in an image forming apparatus such as electrophotographic copying machine, laser beam printer, facsim...
03/30/1999
5826470Cam operated quick return feed control for lathe machine tool
A feed control for a tool bit carried by a headstock of a lathe includes a driving cam having a profiled lobe that permits automatic quick return of the tool bit following each cutting operation. The cam is driven in a forward feed direction by a cam actu...
10/27/1998
5813299Automatic feed rotary tubing cutter for fuel rod tubing of a nuclear fuel assembly
A rotary tubing cutter enables automatic tube cutting without requiring manual rotation of the cutter. The apparatus includes a motor driven gear assembly including a blade gear and a feed gear. The feed gear includes a plurality of cam slots that receive...
09/29/1998
5669276Apparatus for cable stripping
A cable stripping apparatus designed to strip an end of a cable that includes an outer shield and a layer of insulation surrounding a center conductor. The stripping is accomplished by removing the outer shield at a first predetermined location and by rem...
09/23/1997
5564320Cutting tool for a bar peeling operation
A bar peeling tool includes a rotatable cutter head with circumferentially spaced cassettes. Each cassette comprises a toolholder and an adjusting device. The adjustment device comprises a setting unit provided with a protrusion which fits into an end of ...
10/15/1996
5353668Toolholder for peeling operation
The present invention provides a tool for bar peeling comprising a rotatable cutter head with circumferentially spaced toolholders each of which is provided with a U-shaped recess along one of its side surfaces. A wedge shaped element is longitudinally di...
10/11/1994
5303621Clamping device for a defined clamping of workpieces
A clamping device is furnished, in particular for peeling machines for metallic bars (21) and tubes. The clamping device clamps the workpieces in a defined way at a preselected position (99) and independent of the diameter of the workpieces. The clamping ...
04/19/1994
5255581Peeling machine
A peeling machine (1) includes individual device groups (2, 5, 63, 7) which can be centered and clamped at guide rails (23, 24). The guide rails also furnish a particular sliding possibility for a selective moving apart of individual device groups (2, 5, ...
10/26/1993
5256008Cutting tool for a peeling operation
A tool for bar peeling of solid or hollow bars includes a rotatable cutter head and a plurality of toolholders distributed around its periphery. Each toolholder is provided with a roughing insert and a finishing insert. The edge surface of each roughing i...
10/26/1993
5246315Cutting insert and cutting tool for a peeling operation
A multi-cornered cutting insert includes a corner cutting edge at each corner, and a chipbreaking recess spaced inwardly of each corner cutting edge. The recess is curved as the insert is viewed in plan. A clearance face for each corner cutting edge has a...
09/21/1993
5230266Rotary-driven tool spindle
A rotary driven spindle (6) comprises sliders (14, 64) arranged on its front face, which can be adjusted radially as the spindle (6) rotates. To this end, an adjustment mechanism (21) comprises a device component (8) which rotates with the spindle and whi...
07/27/1993
5207136Machining unit with rotary head carrying pivoting tools
A machining unit, in particular in a numerically controlled lathe, has a rotary head equipped with four pivoting tools for machining parts which pass axially through this head without rotating. Each tool is mounted on a respective pivoting support (6a-6d)...
05/04/1993
5054342Pipe machining apparatus
A pipe machining apparatus includes a tool carrier, with a frame attachable to a pipe for rotatably mounting the tool carrier. The tool carrier is circumferentially rotatable about the pipe and carries a tool for performing cutting or machining operations...
10/08/1991
5009136Turning machine
A centerless turning machine for rods. The machine includes a cutter-head mounted at the front end of a rotating hollow shaft, and further includes a plurality of advancing rollers of an infeed device operatively mounted at the inlet end of the turning ma...
04/23/1991
4998455Automatic lathe for machining work bars
A tool head (12) through which work bars (35) to be machined can be pushed and which is adapted to be driven in rotation is supported on a head stock (11). The head stock (11) is disposed between a rear feeding means (57) and a front chuck means (25). The...
03/12/1991
4991475Method and apparatus for sawing bar-shaped workpieces into slices
The invention is a method and apparatus for sawing bar-shaped workpieces o slices by means of an annular saw. The saw blade deviation, from its nominal position in the axial direction during the sawing operation, is compensated for. According to the inve...
02/12/1991
4838136Rotary tool for outer working of rotation-symmetrical workpieces
A rotary tool for outer working of rotation-symmetrical workpieces has a cutting head formed as a hollow body having a side wall and a groove, a cutting device arranged in the groove of the side wall, and a guide for a workpiece, provided at an inner side...
06/13/1989
4813311Center drive machine
The center drive machine comprises on each machine bed half a center drive headstock for seating and driving the workpiece and in each instance a tool holder slide for the uptake of tools. Both machine units are movable on the same machine bed. For settin...
03/21/1989
4805431Contrivance for the cutting-deforming of cylindrical surfaces
A contrivance for the cutting-deforming of cylindrical surfaces comprises a housing wherein are installed in succession a head with at least two deforming rollers and a tool-holder adapted for movement in a plane perpendicular to the direction of a longit...
02/21/1989
4800789Tool slide device in machine tool
A machining apparatus for circumferentially machining a stationary shaft-like work-piece. An inwardly moving tool slide rest is mounted on a main spindle driving gear which is driven by a common gear. A feed gear is concentrically mounted with the main sp...
01/31/1989
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