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Class 483/39 - Plural tool holders pivotable about common axis


Subclass of Class 483 - Tool changing
Definition: Apparatus wherein the transfer means comprises more than
No. of patents: 60
Last issue date: 08/17/2010


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NumberTitleIssue Date
7775954Cutter shifting mechanism for center machine
A cutter shifting mechanism includes a main body having a longitudinal cylinder casing and a shaft is located in the longitudinal cylinder casing. An arm is connected to a lower end of the shaft so as to be connected with cutters. A longitudinal pushing device is co...
08/17/2010
7578776Apparatus for changing bits of machine tool
A machine tool is provided with a bit-changing apparatus including a cam, a rocker, a roller, a linkage, a pulling element, a disc and clips. The cam is attached to the machine tool. The roller is attached to the rocker and movable against the cam. The linkage inclu...
08/25/2009
7575542Apparatus for changing bits of machine tool
A machine tool is provided with a bit-changing apparatus including a cam, a rocker, a roller, a linkage, a pulling element, a disc and clips. The cam is attached to the machine tool. The roller is attached to the rocker and movable against the cam. The linkage inclu...
08/18/2009
7387600Tool support device for machine tool
A tool support device for a machine tool includes a housing disposed beside a tool spindle, a tool storage rack having a shaft rotatably attached to the housing, a plate secured to the shaft and rotatably received in the housing, a number of rollers disposed on the ...
06/17/2008
7361129Multi-axis automatic tool-changing system
A multi-axis automatic tool-changing system for an automatic machining center which is disposed with a plurality of machining principal axes and a tool magazine. The tool magazine is disposed with a plurality of tool-changing positions located correspondingly to the...
04/22/2008
7316639Tool magazine
A tool magazine exhibits a storage wheel, on the circumference of which there are attached, in the direction of its rotational axis protruding in both directions, tool receivers designed to receive tools. To transport the tools to a tool changer arranged on one side...
01/08/2008
7300393Automatic tool changer
An automatic tool changer in which the load produced when a turret is rotation-driven is reduced, and abrasion in the balls and the like of a speed reducer, and mal-distribution of an axial pressing force are prevented. The speed reducer that drives the turret in th...
11/27/2007
7250024Tool shelf magazine
A tool shelf magazine for milling and drilling machines has at least one shelf, a plurality of compartments provided in the shelf above each other at predetermined intervals and also a plurality of notches, which are open on one side accommodating one suspended tool...
07/31/2007
7189194Machine tool
Machine tool with: a bed furnished with a base and two side walls provided standing along respective left and right sides of the base; a first saddle composed of a rectangular frame, with vertical sides provided perpendicularly and transverse sides provided sideways...
03/13/2007
7172542Tool changing device and tool cleaning method
A tool changing device and a tool cleaning method capable of surely removing foreign matter such as swarf adhered to tapered portions and/or flange portions of tools, which serve as contact faces to be in contact with a spindle. There is arranged tool cleaning nozzl...
02/06/2007
7150705Tool changing device which prevents chips adhering to tool
A tool changing device of a machine tool which prevents chips adhering to a tool. By using a drive motor with which a tool changing device of the machine tool is usually provided, to vibrate the tool, the chips are prevented from adhering to the tool, especially to ...
12/19/2006
7147595CNC machine tool
A CNC machine tool includes a worktable supporting two workpieces and rotatable on a base so as to exchange the positions of the workpieces. A post member is fixed on the base. A first horizontal rail unit is movable vertically on the post member. A second horizonta...
12/12/2006
7131940Machine tool
The present invention provides a machine tool whose width dimension is not increased even when it includes a tool magazine. The present invention includes: a bed; a saddle disposed on the bed to be movable in a forward and backward (Y-axis) direction in a front view...
11/07/2006
7104940Tool changer for a machine tool
A tool changer for machine tools having at least two tong-shaped grippers, the legs of which are formed for engaging with the ring groove at a broader end of a tool taper. The grippers are symmetrically mounted about the central axis of a carrier and are rotatable a...
09/12/2006
7070549Inducing mechanism for a tool changing device of a machine
A tool changing device of a machine includes an inducing frame connected between the body and the motor of the machine and a plurality of inducing members radially connected in the inducing frame. A signal coupler is connected to an output shaft of the motor and the...
07/04/2006
7070550Transmission mechanism for tool changing device
A tool changing device includes a conjugate cam composed of two plate cams and the conjugate cam is mounted to the cam axle. The two plate cams are operatively engaged with two rollers on two sides of a gear so that the gear is periodically rotated to drive the tool...
07/04/2006
7048679Tool-changing system
The invention discloses a tool-changing concept in which tools are accommodated in a rack and, by means of a storage and retrieval unit located behind the rack, are removed and fed through the rack to a tool changer, by means of which it is possible to remove a tool...
05/23/2006
6846276Method and apparatus for controlling tool changer
The present invention relates a tool changer controlling method and apparatus, which can reduce a tool changing time as compared with the prior art. The controlling apparatus controls operation of a tool changer (1) which comprises a changer arm (2) fo...
01/25/2005
6786856Cam-type automatic tool-exchanging apparatus having shutter driving mechanism
A cam-type automatic tool-exchanging apparatus comprises: a housing; an input rotary shaft within the housing; a rotational-motion converting cam within the housing and rotationally driven by the input rotary shaft and outputting a rotational motion; a lifting/lower...
09/07/2004
6773382Automatic tool-exchanging apparatus
An automatic tool-exchanging apparatus is provided which extends/contracts an arm with a rational and simple structure and can realize a high-speed operation essentially obtainable by making the arm's turning radius small. The apparatus comprises: an arm-driving sha...
08/10/2004
6736767Machine tool with tool spindle and tool exchanger
A machine tool with a driven tool spindle that is rotatable about a spindle axis that includes a tool exchanger including grippers to displace tool-holders or tools between a receiver position in the tool spindle and a storage position, or vice versa. The tool-holde...
05/18/2004
6402671Tool-exchange apparatus for machine tool
A tool-exchange apparatus making an area to install a whole machine tool compact and facilitating a attachment/detachment and a maintenance and the like of a tool. The tool-exchange apparatus includes a plurality of tool pots 10 respectively having tool s...
06/11/2002
6203479Automatic tool changing device for machine tools
An automatic tool changing device (ATC) for machining tools is disclosed. The ATC consists of arbor rotation guide means, arbor position changing means, arbor rotation means, tool changing means and ATC protection means. The ATC is positioned at a side of...
03/20/2001
6090026Automatic tool exchanging machine
An automatic tool exchanging machine include a machine body such as gear box, a tool exchanging arm having a tool grasping member and supported by the machine body to be rotatable and to be linearly reciprocally movable in an axial direction of a rotation...
07/18/2000
6030326Automatic blade changing system
An automatic blade changing system of a dicing machine uses a blade which is fixed to an auxiliary stopper member provided with a thread which is engaged with a thread of a spindle. The automatic blade changing system consists of two blade holding means w...
02/29/2000
6007464Tool-changing apparatus and method for a machine tool
In a tool-changing apparatus for a machine tool, a tool-locking pin and an arm-locking pin are provided in a tool-changing arm and urged upward. When the arm is moved downward by a swinging shaft, the tool-locking pin and the arm-locking pin are moved upw...
12/28/1999
5947878Tool exchange device for machining centers
A tool exchange device is capable of automatically and swiftly exchanging tools during non-cutting processes. The tool exchange device includes a motor; a belt assembly capable of being driven by the motor; a reduction gear assembly having a worm engaged ...
09/07/1999
5938578Finger opening and closing mechanism for tool exchanging device
An outer shaft gear installed at an external side of a pivoting shaft for pivoting a tool exchange arm main body is fitted to a finger driving cam shaft, a driving force from an ATC drive shaft is transmitted via the outer shaft gear to a finger driving c...
08/17/1999
5908374Tool changer for machine tool
A tool changer for a machine tool includes an arm support disposed between a spindle head and a tool magazine to be reciprocally moved along the spindle relative to the spindle, a pair of tool changing arms mounted for rocking motion on support shafts fur...
06/01/1999
5876316Automatic tool changer
An automatic tool changer can reduce a space required for an output shaft and thus permits downsizing of the whole device. Also, the automatic tool changer can reduce an inertia force in reciprocal linear motion to perform high speed operation. The automa...
03/02/1999
5868656Machine tool having a tool changing device with linear stroke mechanism
A machine tool comprises a spindle having a tool receptacle for receiving tool holders in their working position. A tool changer is provided for conveying a tool holder in a first changing step between a magazine position and a spindle position at said sp...
02/09/1999
5855541Machine tool
A machine tool comprises a spindle and a tool changer for conveying tool holders between a magazine position and a working position at the spindle. The tool changer has two longitudinal rods and two transverse rods that are joined to said two longitudinal...
01/05/1999
5752905Automatic tool-changing mechanism
The present invention is related to an automatic tool-changing mechanism adapted to be used in a machining center and including a power source, a machine frame and an automatic tool changing device secured to the machine frame, wherein the automatic tool ...
05/19/1998
5749819Automatic tool changing apparatus
An automatic tool changer in a machining enter includes a reducer, a compound cam, a cylindrical cam, a four-bar mechanism, a toggle mechanism, and a tool cahnge device. The compound cam and the cylindrical cam are driven by a motor after speed reduction ...
05/12/1998
5620406Tool clamping mechanism
Disclosed is a tool clamping mechanism for use in a machining center, which includes a pivoting member having at opposite ends a pair of fingers for grasping a tool, the pair of fingers being connected by means of a hinge, a rotating block fixedly mounted...
04/15/1997
5451196Machine tool
A machine tool comprises a travelling column, a spindle stock to be displaced on the travelling column, and a tool magazine. Toolholders are stored in the tool magazine and may be individually conveyed into a transfer position within the tool magazine. Tw...
09/19/1995
5133128Drive control system for exchange arm
Herein disclosed is an exchange arm drive control system which is adopted as the automatic tool exchanger of a vertical quadruple spindle type machining center and enabled to contribute to sparing the space and improving the machinability. The drive contr...
07/28/1992
5117552Machining center
A machining center having a bed that supports a work table, a carriage movable along the bed, an upright column moveable across the carriage, a machining head movable vertically on the upright column and a tool magazine with a tool changer. The bed is des...
06/02/1992
4888865Machine tool
A machine tool includes a first movable base movable in a horizontal plane in a first direction, a second movable base mounted on the first movable base and movable toward and away from a workpiece in the horizontal plane in a second direction transverse ...
12/26/1989
4887345Turret apparatus
In a turret apparatus with an automatic tool changer a turret head is rotatably provided on a body. The turret head has two main shafts arranged with an interval of 180 degrees about a rotary shaft. The two main shafts being disposed with an intersectiona...
12/19/1989
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