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Class 279/141 - MEMBER APPLIES AXIAL FORCE COMPONENT


Subclass of Class 279 - Chucks or sockets
Definition: A device having means which exerts pressure on the object
No. of patents: 59
Last issue date: 02/19/2008


1    
NumberTitleIssue Date
7331585Machining adapter having a collet and positive axial stop
An adapter for holding a workpiece to be machined in an accurately located axial position can include a main sleeve having an interior wall defining a passage extending therethrough with at least one inner surface angled inwardly toward a centerline of the passage, ...
02/19/2008
7284760Holding device for disk-shaped objects
Semiconductor technology requires the use of object holders, which are capable of holding wafers securely, also during rotation. In order to save time and expense, such holders should be suitable for integration directly into a processing facility, wherever possible...
10/23/2007
7258515Tool holding fixture and insert tool
The invention is based on a tool holder for a power tool (i0), in particular for a hand-guided power angle grinder, having a slaving device (12) by way of which an inserted tool (14), which has a disklike hub (64), can be operatively conn...
08/21/2007
7204493Lathe chuck with stepped jaws
A chuck for mounting wheel castings having different diameters upon a wheel lathe for machining the casting to final shape is provided. The chuck includes stepped jaw inserts that cooperate with corresponding stepped part supports to securely mount the wheel casting...
04/17/2007
7198277Wheel chuck with counterweighted jaws
A wheel chuck includes a plurality of moveable jaws mounted upon a support structure. A plurality of moveable counterweights are mounted upon the support structure with each counterweight opposite from and connected to a corresponding one of the jaws. Upon rotation ...
04/03/2007
7185573Vacuum wheel chuck
A wheel chuck assembly includes a support plate having at least one aperture formed therethrough. The support plate is adapted to be mounted upon a lathe spindle. An air conveying device is mounted adjacent to the support plate and is operable to induce an air flow ...
03/06/2007
7168502Electric power tool with locking mechanism
An electric power tool has a motor-driven circular tool that can be clamped by means of a clamping device. A mechanical braking device (2) serves to brake the tool. A safety element (4) prevents improper handling of the electric power tool. In a safety...
01/30/2007
7137632Force limiting workpiece holding device
A force limiting workpiece holding device for holding a workpiece in a workpiece processing assembly having a spindle and a closer that applies a force, comprises a workpiece holder slidably mounted to the spindle. The workpiece holder includes a plurality of circum...
11/21/2006
6974287Tool clamping device
A tool clamping device for a tool having a shaft which is accurate to size and which can be inserted into the receiving bore of a tool support, is provided with a clamping device which can be screwed on a screw thread of the tool support while the tool has a ring, w...
12/13/2005
6953198Short pull-back chuck
The present invention relates to a chuck for gripping workpieces having an outer chuck body rotatable about a chuck axis and defining a cavity. The chuck includes a collar, coupled to the outer chuck body, having a slot with a slot axis angled relative to said chuck...
10/11/2005
6953197Quick-action locking device for an electric power tool
A quick-action locking device for an electric power tool including a locking spindle (4) axially displaceable in the hollow spindle (2) of the electrical power tool between a working tool locking position and a working tool exchange position, and a loc...
10/11/2005
6948720Computer controlled positioning table
A computer controlled positioning table for use in automatically rotating a large diameter article into which an evenly spaced circle of bolt holes are to be drilled. The article to be drilled is centered and clamped onto a table top of the table and then the comput...
09/27/2005
6918599Anti-deflection tooling
Anti-deflection tooling is provided for a pull back chuck. Equally spaced gussets are disposed between the riser body and the face plate of the chuck, to minimize or eliminate deflection of the face plate when a workpiece is clamped into the chuck. Adjustment device...
07/19/2005
6910694Electrical tool with a quick-action clamping device
A quick-action clamping device for a power tool includes a clamping spindle (4) arranged in the hollow spindle (2) of the power tool, an elastic member (5) for biasing the clamping spindle (4) into its clamping poition, in which the worki...
06/28/2005
6910693Draw down chuck
A drawn down chuck for gripping the inner or outer diameter of a workpiece. The chuck includes rotatable jaws disposed in a chuck body. The rotatable jaws helically and then linearly retract into the chuck body to secure workpieces having a shaft and an enlarged off...
06/28/2005
6887018Chuck for annular core bit
A chuck for an annular core bit (1) having an inner thread (2) includes a motor-driven rotatable spindle (4) having a threaded support (5) cooperating with the inner thread (2) for supporting the annular core bit (1), a stop...
05/03/2005
6837499Ball-bolt chuck
A chuck has a chuck body rotatable about a main axis and a plate displaceable axially on the body between an outer position and an inner position. Springs urge the plate into the outer position. A locking element on the body can move between a blocking position prev...
01/04/2005
6769846Coupling device
A coupling device for engaging an exchangeable tool support (7) for corotation with a shaft (2) of a motor (1), with the shaft (2) mounting at is driven end a hollow shaft projection (3) for receiving the tool support (7). A...
08/03/2004
6634266Wheel hub assembly fixture
A part clamping fixture assembly for locating and holding a wheel hub assembly for final finishing a flange face of the wheel hub includes a top portion having a bore formed therethrough. The fixture assembly includes a puller member having an upper end f...
10/21/2003
6554291Housing and hub for an apparatus for securing a workpiece to a rotatable machine member
A housing and hub for an apparatus for securing a workpiece to a rotatable machine member are provided. The machine may include a lathe. The workpiece includes a rotor such a brake rotor. The apparatus includes a hub slidably engageable with a rotatable d...
04/29/2003
6506143Apparatus for finishing inside diameter of work
In a finishing apparatus, a plurality of works are retained at distances from each other in a direction of an X-axis. A single spindle is disposed on a table movable in the direction of the X-axis, the spindle has an axis parallel to an axis of each of bo...
01/14/2003
6497419Expanding pullback clamping module
A clamping module has a retractable drawbar and pivoting expansion members. The expansion members are pivotable from a first position having an effective diameter which is less than the minimum diameter of the workpiece hole through which the drawbar and ...
12/24/2002
6460863Welding fixture
A fixture for receiving and retaining a fitting having a through bore and an end wall. The fixture comprises a body for receiving the fitting, and an actuator for engaging the fitting at the intersection of the through bore and the end wall such that the ...
10/08/2002
6394467Retract type chuck
A retractable chuck has a housing adapted to be fastened to a spindle of a lathe, a plurality of shafts mounted in the housing and having proximate ends near the lathe adapted to be coupled to a drawbar of the lathe, and jaws each fastened to one of the s...
05/28/2002
6367816Clamping device for objects, for example for workpieces to be treated
A clamping device for objects such as workpieces to be treated and the like has a base body having at least one abutment surface for at least one object to be clamped, at least one clamping finger located on a movable carrier and having at least one clamp...
04/09/2002
6279919Apparatus for securing a workpiece to a rotatable machine member
An apparatus for securing a workpiece to a rotatable machine member. The machine may include a lathe. The workpiece includes a rotor such a brake rotor. The apparatus for securing a workpiece to a machine member includes a hub slidably engageable with a r...
08/28/2001
6199873Device for centering and gripping, particularly of automobile bodywork parts
A device for centering and gripping, particularly for automotive bodywork parts, comprises a body (1) with an actuating means (2) and has centering means (13) and gripping means (11, 12). The centering means (13) and the gripping means (12) comprise in co...
03/13/2001
6186517Pilot tool for centering and clamping
A tool for centering and clamping of at least a part (P) to be fixed in position and comprising a through passage and adjusted for the tool, comprises a pilot device borne at the end of a case having an upper face forming a support for the part and clampi...
02/13/2001
6126174Apparatus for machining vehicle wheel bead seats
A wheel component has an annular extension formed upon an end. The extension is clamped to a wheel lathe and allows turning a tire bead seat upon the wheel component adjacent to the extension....
10/03/2000
5895059High speed lathe chuck
A lathe chuck assembly is configured for high-speed turning operations. The assembly includes a riser adapter and a yolk plate movably connected with respect to the riser adapter. First, second and third cam arms are connected to the yolk plate for graspi...
04/20/1999
5848795Front part replacement type finger chuck
Even though the shape and size of an aluminum wheel to be chucked for machining is changed, it is possible to easily deal with this situation and to simply chuck the same. In a finger chuck which finger levers 5 are swingably mounted in the radius directi...
12/15/1998
5820137Chuck apparatus for centering and locking aluminum wheels
A chuck apparatus is operative to center and lock an aluminum wheel in a lathe having a machining centerline. The chuck includes a face plate adapted for rotation about the centerline, and first, second and third radial slide blocks slidably movable perpe...
10/13/1998
5797605Workholding apparatus
Workholding apparatus for mounting a workpiece (6) on a machine tool, the apparatus comprising a diaphragm chuck portion (2) and a tailstock portion (4). The chuck (2) includes a backing ring (70) with face portion (74) attached to the diaphragm (44) with...
08/25/1998
5562007Wheel mounting fixture for double bead seat machining
A fixture for mounting a vehicle wheel upon a lathe. The fixture includes a support structure which carries a plurality of movable arms. The arms extend axially within the wheel rim and through the wheel pilot hole. The arms have jaws formed on their ends...
10/08/1996
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
5464233Finger chuck for use with machine tool
A finger chuck for use with a machine tool comprises a chuck main body having a front wall and a rear wall, the front wall and the rear wall defining a space therebetween. A centering device is supported by the front wall for centering the workpiece on th...
11/07/1995
5378002Self-tightening drill chuck
A drill chuck has an axially centered chuck body, an adjustment body rotatable but axially fixed on the chuck body, and jaws radially displaceable on the chuck body. The adjustment body is formed with a screwthread meshing with teeth of the jaws so that r...
01/03/1995
5253880Clamping device for holding a workpiece in a lathe
A clamping device for clamping a workpiece having a center hole, comprises a base member against which the workpiece can be seated, such that the center hole of the workpiece is aligned with a center aperture in the base member. The base member carries ou...
10/19/1993
4918986Quick-clamping fixture with centering feature for clamping vehicle wheels on the spindle of a balancing machine
A quick-clamping fixture for centering and clamping vehicle wheels on the spindle of a balancing machine, having a flange affixed to the spindle against which the cylindrical opening in the center section of a vehicle wheel is seated. A spring loaded coni...
04/24/1990
4875693Arbor assembly
Arbor assembly includes a fixed arbor section and a removable arbor section each including a pair of longitudinally spaced apart cylindrical pilot surfaces of different diameters spaced the same distance apart. Between the pilot surfaces on each arbor sec...
10/24/1989
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