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Class 279/103 - Drill type


Subclass of Class 279 - Chucks or sockets
Definition: Devices of the conical shank or socket type.
No. of patents: 79
Last issue date: 05/06/2008


1    
NumberTitleIssue Date
7367763Shrink 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 central bore or aperture for accommodating a cutting tool. The central bo...
05/06/2008
7357607Tool holder
A tool holder is provided that is configured to deliver coolant to a work piece and/or a cutting tool. The tool holder includes a tool mounting aperture for receiving a shank of a cutting tool, and an axially extending central passage for receiving coolant deliver t...
04/15/2008
7341411Tool 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 portion with an external diameter larger than the connecting cone disp...
03/11/2008
7325471Toolholder and cutting insert for a toolholder assembly
A toolholder and cutting insert for a toolholder assembly wherein the cutting insert has a tapered shank which provides a resilient interference fit with a tapered section of a bore extending within the toolholder. Additionally, a rearwardly facing face on the cutti...
02/05/2008
7305905Rotatable member with an annular groove for dynamic balancing during rotation
A rotatable member is adapted for dynamic balancing by the addition of balancing weights in the form of high speed projectiles fired at the member during rotation in timed relationship with the rotation of the member so as to impact the member at specific circumaxia...
12/11/2007
7284460Balancer
A weight 4 which is held by a weight holder 3 in a balancer has a pressing face 4b′ which is pressed against a guide face 12a provided along the circumferential direction of rotation of the weight holder 3 by centri...
10/23/2007
7284938Tool holder attachment structure
A main shaft includes a plurality of elastic engagement pieces arrayed along an outer perimeter of an attachment hole. During and after assembly, the elastic engagement pieces elastically abut at least an outer surface of a tapered shank in a tool holder and deform ...
10/23/2007
7284936Tool bit and collet assembly and method
A tool bit and collet assembly, and method of assembling, wherein there is a collar for holding the collet in the radially inward position to thereby hold the tool bit. Camming surfaces are between the tool bit and the collet, and between the collet and the collar, ...
10/23/2007
7192226Shrink fit holder and methods of drilling and reaming
A drill has a unitary drill bit and chuck structure that includes a drill bit and a chuck. The chuck encloses a portion of the drill bit and has a thread. A rotatable drive element having a thread engages the thread of the chuck. The chuck is heat shrunk onto the dr...
03/20/2007
7186064Rotary 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 includes slits that allow radial expansion and contraction of the adapt...
03/06/2007
7150751Modular 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 component presenting a first taper portion. The connector is retained in ...
12/19/2006
7131797Tool holder
A tool holder has a cutter arbor. The cutter arbor has a shank portion detachably mounted on a spindle, and a mechanism for holding a cutting tool. In the cutter arbor portion, a cavity portion is formed. In the cavity portion, a vibration damping material is filled...
11/07/2006
7111528Multipurpose grasping part holder
A hand tool is provided with a flexible arm containing a flexible gripping strap. The strap forms an adjustable closed loop positioned at one end, and extends through the arm at the other end. The loop is used for securing to a nut, bolt, or similar part that is pos...
09/26/2006
7108465Jig plate
An end surface 820 of a work 80 gripped by a chuck 50 equipped to a main spindle of a lathe-type machine tool is machined, and at the same time has a screw hole 830 formed thereto. The jig plate 60 is provided with a main body 6...
09/19/2006
7077608System for mounting a machine tool in a holder
A system for mounting a tool in a tool holder for high-precision centering of the tool and positive restraint of the tool from rotation within the holder. The tool holder includes a cylindrical aperture having a diameter slightly less than the diameter of the shank ...
07/18/2006
7044478Coaxial mounting seat for the shank of a toolholder
A mounting seat (1) for machine-tools allowing coaxial engagement of the shank (2c) of a toolholder member (2) includes internally a cylindrical bush (3) supporting a plurality of ball bearings (4i) arranged without p...
05/16/2006
7024786Multi-coordinate sensing measuring device
A multicoordinate sensing measuring device is proposed in which a sensing lever (5) that is resiliently spring-pretensioned in a resting position in a housing (3) can be displaced along a measuring axis (7) and can be pivoted transversely to the...
04/11/2006
7017919Chuck
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 circumference of the chuck sleeve such that the clamp sleeve is rotatab...
03/28/2006
6935636Arrangement for the detachable mounting of a rotatable tool on a drive shaft
Rotatable tool coupled to support body, and drive shaft detachably mounted to rotatable tool, such that rotatable tool is drivable in a working direction, in which support body includes an inlet opening defined by at least three eccentric segments and drive shaft in...
08/30/2005
6871859Toolholder 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 and a second end having a shank-receiving opening. When the toolhold...
03/29/2005
6726223Adjustable-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 the coupling shank (9), ends in a sleeve part (11
04/27/2004
6669702Modular 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 component presenting a first taper portion. The connector is r...
12/30/2003
6599068Tool 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 inner surface of a tapered hole in a main shaft joined to th...
07/29/2003
6409439Convertible 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 includes first and second recesses formed therein. Each recess...
06/25/2002
6394466End 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 holder and an end mill. A holder body has a taper hole formed...
05/28/2002
6382888Vibration 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 with a top surface for abutment with a distal spindle surfac...
05/07/2002
6352395Tool 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 between a rear-end face of the flange portion and a front-...
03/05/2002
6332619Derosa 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 assembly techniques, providing significant tool holding torq...
12/25/2001
6312201Interference 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 portion and a taper portion. The head section is provided ...
11/06/2001
6179303Device 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 member for a tool as well as a clamping device for securing ...
01/30/2001
6149165Collet assembly and manufacturing process
An Improved Collet Assembly and Manufacturing Process is disclosed. Also disclosed is an improved collet that includes a spindle, a center portion comprising several tabs and a collar. The disclosed collet is manufactured from a single piece of stock, and...
11/21/2000
6142486Mounting 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 integral with the opposed end. The collet is arranged to g...
11/07/2000
6109842Tool 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 spindle that has at least one cam recess formed on a lower ...
08/29/2000
6105974Chuck
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 extends from the flange in the direction away from the shan...
08/22/2000
6092612Rotary 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 without pressure loss, and which column employs a coupler secti...
07/25/2000
6077003Tool 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 machine tool adjacent to a machine spindle. In one form, ...
06/20/2000
6071219Method and apparatus for mitigating vibration associated with rotary cutting machines
A method and apparatus mitigates vibration associated with the rotary cutting machines by providing a first dampening member which is disposed around a tool holder and positioned so as to be compressed intermediate the tool holder and spindle of the rotar...
06/06/2000
6068267Tapered 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 clamps and draws the part into the locating insert to facilitat...
05/30/2000
6039237Heating 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 wall surface of the insertion cavity is formed by forging ...
03/21/2000
6035512Machine 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 cylindrical shank member having first end and a reduced diameter...
03/14/2000
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