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Document |
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7367763 |
Shrink fit tool holder with grooves
A shrink fit tool holder includes a shank or body that includes a tool holder portion, a flange member, a tapered outer surface that generally corresponds to a tapered bore of a spindle, and a...
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7341411 |
Tool holder structure
A tool holder structure includes a holder installed on a connecting portion of a machine for holding a tool, the holder has a connecting cone for connecting the connecting portion, and a latching...
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7284460 |
Balancer
A weight 4 which is held by a weight holder 3 in a balancer has a pressing face 4 b ′ which is pressed against a guide face 12 a provided along the circumferential direction of rotation of...
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7186064 |
Rotary tapered tool holder with adapter sleeve
A rotary tapered tool holder includes a body or shank including a front contact portion and a rear contact portion. An adapter sleeve is disposed about a portion of the shank. The adapter sleeve...
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7150751 |
Modular tool connection assembly
A modular tool connection assembly includes a housing which defines the main axis of assembly with a linear bore for containing the components of the assembly. The housing contains a connector...
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7017919 |
Chuck
A chuck includes a holder body, a clamp sleeve, and a large number of needle rollers. The holder body has a shank portion, a flange, and a chuck sleeve. The clamp sleeve is fitted onto the outer...
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6871859 |
Toolholder and insert arrangement with a shrink fit coupling
A toolholder and insert arrangement includes an insert having a cutting portion and a shank portion disposed at a base of the cutting portion. The toolholder has a first end attachable to a spindle...
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6726223 |
Adjustable-length tool holder
The adjustable-length tool holder for a rotating tool comprises a base element ( 7 ) which is provided with a coupling shank ( 9 ) for connecting to a machine tool and which, axially remote from...
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6669702 |
Modular tool connection assembly
A modular tool connection assembly includes a housing which defines the main axis of assembly with a linear bore for containing the components of the assembly. The housing contains a connector...
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6599068 |
Tool holder
A tool holder includes a plurality of elastic engagement pieces arrayed along an outer perimeter of a shank. During and after assembly, the elastic engagement pieces elastically abut at least an...
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6409439 |
Convertible tool holder for a machine tool
A holder for a machine tool includes a cone-shaped base body. One end of the base body has a larger diameter than the other end and includes an annular flange extending therearound. The flange...
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6394466 |
End mill chucking structure
An end mill chucking structure for chucking an end mill having a relatively small diameter and used, for example, for deep milling of a die. The end mill chucking structure includes an end mill...
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6382888 |
Vibration dampened spindle and tool holder assembly
A vibration dampened spindle and tool holder assembly for a rotary cutting machine. The assembly includes a spindle and a tool holder retained therewith. The tool holder has an interfacing ledge...
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6352395 |
Tool holder and tool holder attachment mechanism
A tool holder includes a holder body which in turn includes a shank portion, a flange portion, and a tool attachment portion; a taper cone fitted to the shank portion; an elastic member interposed...
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6332619 |
Derosa router chuck
A chuck for use with power tools to interchangeably accept and hold tools, such as wood or other cutting tools, especially router bits, of simple, lightweight design, improving manufacturing and...
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6312201 |
Interference fit type cutting tool
In an interference fit type cutting tool according to the present invention, a head section and a shank section are fitted together by shrinkage fitting. The shank section is provided with a shaft...
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6179303 |
Device for accomodating a tool or a support element in a machine tool or a spindle
A device for receiving a tool or support element in a machine tool or spindle has a tool carrier receiving member arranged in a machine tool or spindle and a tool carrier having a tool receiving...
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6142486 |
Mounting arrangement for retainer collet assembly
The present invention is a combination of a flexible arm with a collet assembly. The assembly includes an elongated flexible arm or tube with a collet at one end and a releasable mounting assembly...
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6109842 |
Tool holder with harmonic dampening drive mechanism
A tool holder that uses a dampening drive member to reduce slippage between the tool holder and the spindle and while further eliminating harmonic resonance. The tool holder is used in a rotating...
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6105974 |
Chuck
A chuck includes a holder body, a clamp sleeve, and a large number of needle rollers. The holder body has a shank portion, a flange formed at one end of the shank portion, and a chuck sleeve that...
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6092612 |
Rotary drilling systems
A rotary system having a sectional drill steel column connecting a drilling machine and rotary drill bit and being constructed and arranged to accommodate internal fluid flow to the drill bit...
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6077003 |
Tool holder
A tool holder with an elongate and expanding sleeve within a confining recess of a machine spindle to circumferentially engage the machine spindle and accurately, firmly and concentrically engage a...
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6068267 |
Tapered part turning apparatus
A turning apparatus for a CNC or other turning machine comprises a faceplate having a locating insert secured and located therein for locating a part on a taper thereof. The turning apparatus...
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6039237 |
Heating tip and method of manufacturing the same
A heating tip in which an insertion cavity is formed in a tip substrate made of copper or copper alloy for insertion and containment of a heat generating portion, wherein the inner circumferential...
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6035512 |
Machine tool extension and method of forming the same
A machine tool extension for interfacing a cutting tool having a generally cylindrical shank portion to a tool holder having a central opening. The extension comprises an elongate, generally...
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6003416 |
Tool holding device
A tool holding device comprising a tool pot in which an interchangeable tool is releasably fitted and removed, a ball holder firmly fitted in the tool pot and having a guide surface around which a...
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5997226 |
Cutting tool chuck with non-circular cross-section and cutting tool chuck assembly
A cutting tool chuck comprises a spindle provided with a tapered bore having the shape of a regular hexagonal prismoid for receiving a shank of a tool holder or a cutting tool, a retainer placed in...
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5807038 |
Drill chuck
A drill chuck for holding a tapered end of a tubular drill bit. The chuck comprises a driving member having a tapered surface for frictional engagement with the tapered end of the drill bit, a...
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5788249 |
Cutting tool chuck for chucking cutting tool
A cutting tool chuck holds a collet so as to be easily changed. In the cutting tool chuck, a fastening collar (12) is screwed on a chuck sleeve (14). The fastening collar (12) is provided with an...
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5704738 |
Tool attachment assembly
A tool attachment assembly having a housing with a central axis, a toolholder with a tool carrying portion and a mounting portion spaced axially from the tool carrying portion, a projection on one...
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5595391 |
Relating to tapered connections
An improved connection between a conical shank and conical receptacle is provided. A plurality of uniform resilient elements are mounted in a circumferential band arrangement adjacent the surface...
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5407308 |
Tool holder coupling apparatus
A tool holder coupling apparatus for attaching a tool holder to a machine spindle, has a tool holder which includes a support portion and a pull stud bolt. The support portion has a tapered surface...
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5397204 |
Tool for engraving machines
The invention concerns a new type of tool for engraving machines comprising an oblong body (11a) provided at one end of an insert-receiving (19) pocket (18). Said insert includes a cutting tip end...
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5322304 |
Tool holder-spindle connection
A tool holder assembly for connecting a tool to a spindle. The tool holder assembly defines a conical envelope for seating in a conical seat defined by the spindle and an annular clamping surface...
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5311654 |
Tool holder system and method of making
A tool holder for use in a machine tool spindle comprising a shank portion, a tool mounting portion and a circular flange portion. Disposed in the distal end of the mounting portion is a central...
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5158408 |
Chuck device
In a support device to hold a tool or a workpiece, a tightening cylinder is provided at inside with an insertion hole for a substance to be held and on an outer circumference with a taper surface,...
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5074025 |
Threaded shank drill assembly
A combination drill and drill adapter comprises a drill having a shank portion for mounting the drill, and an adapter having an opening for receiving the drill. The drill shank is generally...
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5062749 |
Tool coupler
A tool coupler is provided, comprising an elongated body having upper and lower ends and further including a non-circular first axial bore extending at least partially through the body from the...
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5048375 |
Method for constructing a rotating cutting tool
Disclosed is a very small sized rotating and cutting tool comprising a rotating and cutting part such as drill bit and a shank which is a separate solid body having a through aperture permitting...
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4907660 |
Interchangeable sectional mining drill and bolt driver system
An interchangeable, sectional mining drill and bolt driver system for use with a drilling machine, includes a chuck, a driver, a bolt wrench-drill steel driver, a combination driver, a male hex...
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4865336 |
Apparatus for securing a cutting tool in a tool holder and machine tools employing the same
An apparatus and tool assembly containing the same which includes a rotatable ring and a series of bearings in contact with the inner surface of the rotatable ring wherein the bearings are angled...
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4834597 |
Tool assembly, tool components and method of assemblying said components
The invention relates to a tool assembly and a method of assembling the tool. The assembly comprises a machine spindle component and a tool component for chip removal. The spindle component...
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4721423 |
Chuck
A chuck allowing to mount a cutting tool on the spindle of a machine tool. The chuck includes an ahead projecting chuck cylinder provided on the one side of a chuck body in a mated fashion to each...
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4684301 |
Machine tool spindle and tool holder
A machine tool spindle, which serves for interchangeably receiving tool holders (13) having different shanks (8,16), has in the spindle head (1a) thereof a frusto-conical receiving bore (3) for the...
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4660840 |
Needle-roller type chuck
An improved needle-roller type chuck having a cylindrical portion extending forwardly from a chuck main body which is constituted by an inner cylinder integrally formed with a chuck main body and...
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4632195 |
Roof drill system
An automatic drive lock drill system for roof drilling with a bit and drill steel components which are assembled axially one by one in telescoping relationship when the acircular drive shank on one...
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4630980 |
Chuck assembly for a machine tool
A chuck assembly for use in a machine tool for holding a tool element comprises a chuck body having a sleeve integrally formed therewith so as to extend in the direction, which sleeve has a support...
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4615402 |
Drill bit and extension adapter
An adapter for detachably mounting a drill bit on an extension, is described as having a button-type catch with outwardly diverging flanges, and a separate, split ring of spring steel for exerting...
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4493595 |
Compact multiple spindle boring head with quick change tool supports
A multiple spindle boring head including a plurality of boring spindles simultaneously radially positionable relative to a central boring head axis by a plurality of associated lead screws which...
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4454922 |
Drill rod and drilling apparatus
A drill rod assembly for use in rotary drilling in a mine roof includes a plurality of releasably engageable drill rod members connected in end to end relation. One end of the assembly receives a...
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