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Match Document Document Title
8960688 Power tool  
A power tool has a driving shaft driving a working element, a fastening piece fastening the working element to the driving shaft having a projecting shaft insertable into the driving shaft, a...
8925931 Oscillating tool  
A clamp arrangement for releasably securing an accessory to an oscillating power tool can include a tool body including a motor that drives an output member. A clamp assembly can include a first...
8915499 Universal accessories for oscillating power tools  
An accessory for coupling to an attachment mechanism of an oscillating power tool includes a working end, an opposite rear end, and a fitment portion adjacent the rear end portion. The fitment...
8881409 Articulating oscillating power tool  
An oscillating power tool includes a tool head which can be articulated through a range of positions including zero to ninety degrees. The tool head can accept a variety of accessory tools which...
8857821 Manual robotic tool changer with rotating piston  
A manually actuated robotic tool changer includes a first housing having a generally cylindrical piston with a central axis partially extending from the first housing, the piston rotatable about...
8827278 Adaptor for adapting a working element to an end of a power tool shaft  
An adaptor for adapting a working element to an end of a power tool shaft. The adaptor includes a central hole passing through the adaptor and has a longitudinal axis, a driving end facing the end...
8702081 Clamping device for clamping a plurality of workpieces at predetermined angles  
A clamping device having at least three jaws for clamping a plurality of elongated workpieces with the workpieces forming predetermined angles therebetween. Each of at least two jaws has clamping...
8575800 Electric motor  
An electric motor includes an upper housing, a lower housing including a flange for mounting the upper housing thereon and a cone-shaped portion extending away from the flange and the upper...
8517390 Method and device for centering and clamping a workpiece in a balancing machine  
The chuck includes a centering clamping member having a variable diameter, a radially extending clamping surface, which is adjacent to the centering clamping member, a movable clamping element, a...
8499431 Piezoelectric clamping device  
A clamping apparatus has been developed for coupling a tool member to the output shaft of a power tool without the use of auxiliary hands tools or a shaft-lock lever. The clamping apparatus...
8454028 Fixture for holding a chamfering tool during cutting insert preset operation  
A fixture for facilitating the accurate and repeatable preset of chamfering tool cutting inserts to proper height and angle specifications. The fixture may include an upright main body with a...
8434976 Small hole saw mandrel assembly  
A holesaw mandrel assembly has a mandrel with a first shanking end, a body, and a second extending end that includes a threaded spud to receive a holesaw. A first member is secured on the second...
8403341 Adapter for a motor-driven machine tool with a rotatably driveable tool  
An adapter is provided for a motor-driven machine tool which includes a tool driven in an oscillating rotational pendulum motion. The machine tool includes a driveable tool shaft (1), the end face...
8359727 Method and device for centering and clamping a workpiece in a balancing machine  
The method includes the steps of positioning a workpiece with a centering surface on a centering clamping member of a chuck, pressing a radial contact surface of the workpiece against a clamping...
8220805 Gripping method for turbocharger housing and work gripping device  
[Problems] A gripping method for a turbocharger housing and a work gripping device that can accurately grip an inner diameter using a reference for shape during casting when processing.[Means for...
8172489 Machine tool, in particular for rim machining  
The present invention relates to a machine tool for machining of workpieces, having a workpiece support for mounting the workpiece, a tool holder, which can be moved at least along one axis, for...
8079790 Method for making by assembling a tool to and in a tool holder, and the tool and tool holder, and the assembled tool and tool holder  
A method for making by assembling a tool to and in a tool holder, and the tool and tool holder, and the assembled tool and tool holder. The tool is shrink-fitted into a cylindrical bore of the...
8016298 Chuck for flexible manufacturing  
The invention relates to a chuck for flexible manufacturing, said chuck comprising a chuck body, a central draw head guided axially in a central hole of the chuck body and connected to inner jaws...
7694979 Premounting device for cutting ring fitting  
A premounting device for a cutting ring fitting, the device including a frame part (1), support elements (2), a movable actuator (3), elements for moving the movable actuator (3) and a socket...
7331585 Machining 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...
7284760 Holding 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...
7258515 Tool 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...
7204493 Lathe 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...
6974287 Tool 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...
6953198 Short 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...
6953197 Quick-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...
6948720 Computer 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...
6910693 Draw 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...
6910694 Electrical 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)...
6887018 Chuck 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...
6837499 Ball-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...
6769846 Machine tool coupling 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...
6634266 Wheel 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...
6554291 Housing 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...
6506143 Apparatus 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...
6497419 Expanding 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...
6460863 Welding 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...
6394467 Retract 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...
6279919 Apparatus 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...
6199873 Device 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...
6186517 Pilot 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...
6126174 Apparatus 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.
5895059 High 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...
5848795 Front 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...
5820137 Chuck 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,...
5797605 Workholding 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)...
5562007 Wheel 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...
5542685 Memory 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...
5464233 Finger 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...
5378002 Self-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...

Matches 1 - 50 out of 100 1 2 >