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Class 279/2.02 - Collet type


Subclass of Class 279 - Chucks or sockets
Definition: A device wherein the means for making the connection is
No. of patents: 28
Last issue date: 05/05/2009


NumberTitleIssue Date
7527270Machine tool arbor fitted for tool-less chucking
A machine tool arbor for holding a rotating machine part or workpiece is fitted with an actuator member at a back or distal end of an arbor main body for tool-less chucking and unchucking of a machine part or workpiece at a front or proximate end of the arbor main b...
05/05/2009
7422219Interface of a tool
An interface of a tool is proposed with a first part serving as a seat having a female taper, which part has a first conduit section located concentrically to its center axis, a second part having a hollow shaft taper introduceable into the recess, which part has a ...
09/09/2008
7367238Test apparatus using a pneumatic collet and method to clamp a bar
A pneumatic collet assembly has a housing, a piston, a collet, and ball bearings. The piston is disposed within the housing. A bore within the piston receives the collet. The collet has a base and fingers. The fingers of the collet define a center channel or bore co...
05/06/2008
7365924Sight tube pivot assembly
An improved aiming tube pivot assembly for use in a sighting and/or aiming apparatus which comprises an aiming tube axially mounted within an outer tube (or housing). A support ring supports the aiming tube within the outer tube in a gimbal-like arrangement by means...
04/29/2008
7219520Method and forming machine for working a workpiece
An aspect of the present invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to ...
05/22/2007
7165921Collet chuck
A holder for a collar having an axially forwardly directed shoulder and axially rearward thereof a radially outwardly directed centering surface has a drive sleeve fitted over the collar and a plurality of angularly spaced jaws each formed with an axially rearwardly...
01/23/2007
6862785Coupling device particularly for vehicle wheels undergoing surface finishing
A coupling device, particularly for vehicle wheels undergoing surface finishing, comprising elements for the releasable fixing of a wheel to a chuck, which act in holes for the passage of screws for fixing the wheel to a hub of a vehicle. ...
03/08/2005
6739600Expanding sleeve fixture
A push-type expandable fixture provided to secure a work-piece to a rotatable machine. An expandable sleeve is inserted within a bore of a hollow work-piece. The work-piece together with the expandable sleeve is disposed about a pair of wedge members which are in tu...
05/25/2004
6568889Collet chuck
A collet chuck for holding a mounting collar of an object to be rotated has a chuck body centered on and rotatable about an axis and formed with an axially forwardly open socket shaped to receive the collar. A plurality of jaws in the socket have front en...
05/27/2003
6568888Collet chuck
A collet chuck for holding a mounting collar of an object--tool or workpiece--to be rotated has a chuck body centered on and rotatable about an axis and formed with a forwardly open socket shaped to receive the collar. A plurality of jaws in the socket ha...
05/27/2003
6123285Expandable fiber core insert
A device for mounting a roll of material that includes a fiber core around which the material is placed. The device includes a lightweight, polymeric collett that is inserted into the fiber core. The polymeric collett has a plurality of individual segment...
09/26/2000
5851091Tool mount with ejector
A tool mount for a tool holder having a tubular collar with an inwardly projecting rim has a shaft centered on an axis and formed with an axially centered main bore having an outer end formed as a seat complementarily engageable around the collar and a tr...
12/22/1998
5667228Quick change mandrel for an engine lathe etc
A two piece mandrel having two co-operating interfitting parts (similar to a bayonet type assembly) which may be twisted apart, or twisted together by means of a series of interlocking projections having complimentary ramping surfaces. The co-operating pa...
09/16/1997
5584638Guided disk handling system
An apparatus for accurately mounting and aligning a disk on a collet is disclosed. The apparatus uses a female guiding member to move along the surface of a protruding male member on the end of the collet. The female guiding member is positioned such that...
12/17/1996
5542685Memory disk clamp and method
A clamp for a memory disk having a disk aperture bounded by a cylindrical peripheral edge and chamfered peripheral edges includes facing clamp members having chamfered peripheral edges which are parallel to the chamfered edges of the disk aperture. The cl...
08/06/1996
5441284Fluid operated chuck and methods of operation
Workpiece chucking apparatus includes a chuck body mounting a first plurality of prepositioning lock-up fingers and a second plurality of gripping fingers. The lock-up fingers are biased together radially outwardly or inwardly into engagement with a perip...
08/15/1995
5429375Fluid actuated chuck with lock-up fingers for eccentric workpiece walls
Workpiece chucking apparatus includes a chuck body mounting a first plurality of lock-up fingers and a second plurality of gripping fingers. The lock-up fingers are individually biased radially outward into engagement with a peripheral wall of a workpiece...
07/04/1995
5396708Gun bore arbor
A self-centering bore arbor device is disclosed which is self-aligning when inserted into the barrel of a shotgun and to which can be mounted a bore scope in a parallax relation with the central axis of the gun barrel. The self-centering property of this ...
03/14/1995
5347896Automated collet loading for the manufacture of contact lenses
An apparatus is provided for automatic, intermittent feed of workpieces into a lathe. The apparatus includes a collet having a side entry for receiving workpieces and a workpiece positioning aperture, in alignment with the lathe spindle, for finally posit...
09/20/1994
5135180Geared core winder
A geared core winder for use with core rolls for fabric, material, rugs, paper or other such products comprised of a shaft containing a geared section, a first and second donut-shaped pieces placed on the shaft on opposite sides of the gears, a plurality ...
08/04/1992
4861257Core structure of molding apparatus
The core structure of a molding apparatus for making a molded article is disclosed. The cylindrical core which forms a plurality of main core members separated by a plurality of wide slits and a plurality of complementary core members which are inserted a...
08/29/1989
4768791Expandable grinding plug
A workpiece-holding plug has six sector-shaped segments that expand outwardly in a radial direction when in use and in contact with a lathe center. The segments have tapered outer wall portions which assume a precise cylindrical shape when the plug is exp...
09/06/1988
4705279Device for clamping a flexible disk
A collet device for engagement with a spindle hub for clamping a flexible disk between the collet device and the hub, the collet device having a collet having a plurality of radially extending petal-like portions therearound, a collet shaft on which the c...
11/10/1987
4516787Lightguide preform chuck
A lightguide preform chuck (15) comprises a collet (32) having a slotted conical end (36) and collet restraining means (40/42/45) in engagement with the collet ends but spaced from a collet mid-portion. The restraining means has a coefficient of thermal e...
05/14/1985
4387906Tool or workpiece chucking device
A chucking device for tools or workpieces having a cylindrical or slightly conical chucking surface. The chucking device includes body (1), which is provided with truncated cone-shaped surface (3), cavity (4) located inside the surface and along a substan...
06/14/1983
4317577Rotary expandable tool with hydraulic internal intensifier
A relatively high fluid pressure actuated rotary arbor or chuck having internal pressure intensifying differential pistons for converting relatively low pressure from an outside supply through a relatively low pressure non-rotating coupling connection. A ...
03/02/1982
4272086Adjustable taper ring collar
An adjustable taper ring collar for use in manufacturing rings comprises a generally cylindrical member having a plurality of longitudinal slits therein, the sections of the cylindrical member between the longitudinal slits being expandable in the radial ...
06/09/1981
4098028Adaptor for lens surfacing tool
An expandable adaptor for interchangeable lens surfacing tools (laps). The adaptor is constructed and arranged to prevent tool loosening and/or rotational slippage during lens abrading and polishing operations. An expandable portion of the adaptor receive...
07/04/1978
 
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