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7967300 |
Hydrostatically actuated workholding apparatus with high expansion and recovery sleeve
A workholding apparatus includes a body, and a workholding sleeve composed of metal and carried by the body. A fluid chamber receives a fluid between the body and the workholding sleeve. Under...
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7914010 |
Hydraulic expansion chuck for chucking a tool, such as a boring tool, milling cutter, or other cutting tool
A hydraulic expansion chuck for chucking a tool such as a boring tool, a milling cutter, or other cutting tool. The hydraulic expansion chuck has an expansion bushing which can be deformed radially...
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7606285 |
Chuck device for electrical discharge machine
A chuck device for electrical discharge machine includes a mold fixed to the machine and a connector connected to the discharge head. The connector has a connection rod having a neck and the...
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6642469 |
Electrode clamping system for sink-type electrical discharge machines
An electrode clamping system for an EDM-sinking system provides a two-sided dielectric fluid supply to a clamped electrode by placing supply channels in both the fixed and movable parts of the...
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6273434 |
Capless quick-grip cylinder
The present invention concerns a method for manufacture and assembly as well as a capless quick-grip cylinder manufactured by this method with a feed nipple for clamping a carrier plate, also...
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6170836 |
Clamping device for securing a draw-in nipple to a clamping plate
The invention concerns a clamping device for securing a draw-in nipple (12) to a clamping plate, having a receptacle (11) into which the draw-in nipple (12) is insertable, and having a clamping...
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6160236 |
Clamping system
A clamping system includes a workpiece machining head (1) having a coupling member (40), a mating coupling piece (90) and a drawbolt (30), a pressure-medium actuated clamping device (10, 15, 17,...
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6074140 |
Quick-release chuck assembly
A handheld rotary power unit includes a housing with a handle and a distal end portion, a motor shaft extending through the distal end portion of the housing, and a quick-release chuck assembly...
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5906378 |
Coupling adapter
A coupling adapter (1) for positioning a tool (90) in a particular given position with high repetitive precision on a chuck (80) that can be activated by a medium for a machine tool. The chuck (80)...
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5322301 |
Chucking tool with a wedging action for testing machines
A clamping or chucking tool for clamping a test sample in a testing machine has a clamping housing for applying a wedging action to the sample with the aid of one or two clamping jaws that are...
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5255928 |
Adjustable fastening device
The invention relates to an adjustable fastening device e.g. for an axially-shaped, tubular, flat or spherical tool or working piece or machine part or a like of a desired shape. The device...
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5174585 |
Adjustable fastening device
The invention relates to an adjustable fastening device e.g. for an axially-shaped, tubular, flat or spherical tool or working piece or machine part or a like of a desired shape. The device...
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5088746 |
Zero-deflection support chuck
A zero-deflection support chuck is provided for gripping a load shaft which includes a stable support body having a bore, a gripping sleeve closely embracing the load shaft and a pressure sleeve...
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5039261 |
Spindle device for use in machine tool
A spindle device providing a hydraulic system for moving a drawbar in a tool holding direction. The drawbar extends through a spindle shaft and is slidably provided therein. A piston is fixedly...
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5018916 |
Actuating arrangement for a tool or workpiece clamping device in a machine tool spindle
The actuating arrangement for a tool clamping device (1) has a clamping bar (3) which is axially displaceable in a clamping direction in a machine tool spindle (2) under the effect of a spring...
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4877094 |
Rock drilling machine, especially for underground mining
A rock drilling machine, particularly for underground excavations comprises a drilling carriage, and a rotary drilling drive arranged in a longitudinally displaceable manner on the drilling...
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4855558 |
Clamping device for a tool at a machine tool, particularly at a die sinking electric discharge machine
A clamping device for a tool at a machine tool, particularly a die sinking electric discharge machine equipped with a chuck having two pairs of rails projecting from the underside of the chuck and...
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4854395 |
Hydraulic kelly bar chuck
In a rotary drill having a driven rotary table with an axially directed passage through its center of rotation defined by a hollow spindle, a kelly bar extending through the passage, and a chuck...
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4844489 |
Chuck apparatus and method
A chuck apparatus including a plurality of radially movable jaws for gripping a drill rod, each jaw being moved radially by an axially movable bowl, each jaw and the corresponding bowl surfaces are...
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4826230 |
Tool-gripping device for remote manipulators, robots or like assemblies
A tool-gripping device for remote manipulators, industrial robots and like assemblies which includes a sleeve provided with a movable locking element having an opening therethrough which is...
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RE32854 |
Adapter with modular components for a robot end-of-arm interchangeable tooling system
An improved adapter is provided for an interchangeable robot end-of-arm tooling system. The quick change adapter is made from modular components including a body, an interface package, and a robot...
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4776199 |
Workpiece clamping devices in forging manipulators
A forging manipulator has two pairs of workpiece gripping arms which operate in respective mutually perpendicular planes. Each pair of arms is operable by a respective independent actuating...
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4745831 |
Setting tool for screwing-in threaded rods
A setting tool for screwing a threaded rod into a receiving material includes a work driver formed by a sleeve-like member. A retainer part is secured within one end of the sleeve-like member for...
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4745674 |
Tool holder in machining center
A tool holder in a machining center comprising a basic tool holder provided with a tapered fitting hole formed on the nose portion and a small tool having its tapered fitting portion fitted...
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4610075 |
Tool holder for industrial robots
A tool holder for an industrial robot intended to permit a programmed automatic replacement of tools. The holder and the tool are formed with connecting elements adapted to each other. The holder...
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4597699 |
Quick-connect mechanism
A quick-connect and quick-disconnect mechanism includes a male member which may be received in a female socket member. Cam means is journaled in an eccentric cam follower surface in the socket and...
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4576254 |
Hydraulically actuated slip assembly
A hydraulically operated slip assembly, connectible to a well head or well pipe handling machine and useful to intermittently grip pipe being run into or pulled from the well. The slip assembly has...
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4572526 |
Device for clamping tools
A device for clamping tools, such as a shank-end mill, comprises an adjusting nut having a bore for receiving and actuating an adapter sleeve for mechanical clamping of the tool. The adjusting nut...
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4386544 |
Device for rotatably gripping a cylindrical piece
A sleeve grip for a pipe is radially expandable by axial compression from a bolt-nut system. One of the elements 8 of the bolt-nut system 13 is connected to a bidirectional drive motor 23 inducing...
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4304513 |
Milling machine including improved tool knock-out means
A milling machine includes a C-shaped frame, tool support member movable in a vertical direction, a saddle member movable in a transverse direction, a work table movable in a longitudinal...
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4222214 |
Chucking apparatus
Chucking apparatus is disclosed for engaging articles such as screw-type caps for applying the caps to containers. Caps are bottom or center fed to a fluid operated chuck device which grips the...
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4203222 |
Automatic chuck for drill
A surgical tool has a pneumatically driven rotor motor, a source of air under pressure to drive the motor, an output system for receiving rotation from the motor and transmitting it to a bur and a...
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4189162 |
Hydraulic chuck
A hydraulic chuck having a piston means with an axially centered passage, the first end of which has a tube seating means associated therewith for engaging a tube. Collet means are provided and...
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4141263 |
Device for the centered clamping of annular workpieces
A device for the centered clamping, in a turning machine, of an annular workpiece or workpiece stack formed of a plurality of annular workpieces, has a centering cylinder; an arrangement for...
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4116453 |
Multi-part pressure chuck
A holding chuck for parts to be machined utilizing hydrostatic forces for the gripping pressure but including a two-stage gripping action and a multiple area arrangement wherein a combination of a...
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3952384 |
Pipe jacks
The invention provides a pipe jack for pulling a pipe lengthwise through the ground without the necessity of excavating the ground to create a trench first, the jack including a number of hydraulic...
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3938816 |
Chuck of the indexing type
A chuck of the indexing type is comprised of a chuck housing, a pair of opposed jaw supports mounted within the housing with one of the supports being fixedly secured thereto and the other of the...
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3933347 |
Air chuck and mandrel for roll slitting machine
An improved roll slitting machine of the type used to slit wide rolls of material into narrow width rolls or ribbons includes an air chuck having gripping jaws which are actuated through multiple...
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3861252 |
AIR CHUCK FOR ROLL SLITTING MACHINE
An improved air chuck for use in a roll slitting machine of the type used to slit wide rolls of material into narrow width rolls or ribbons. The air chuck includes gripping jaws which are actuated...
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3844546 |
CLAMPING FIXTURE FOR A TUBULAR WORKPIECE
The workpiece is telescoped into stacked rings made of resiliently yieldable material and adapted to be compressed axially so as to expand radially into frictional gripping engagement with the...
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3762730 |
HYDRAULICALLY ACTUATED SPLINE ARBOR AND CHUCK CONSTRUCTION
Hydraulically actuated spline arbor and chuck devices having a novel configuration for the spline teeth to produce axially spaced straightening engagement and accurate centering of a splined part...
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3760469 |
AUTOMATED PIPE-HANDLING SLIPS
A power drive is employed to move wedge shaped slip members radially into gripping engagement with a pipe which extends axially through a slip assembly. Friction teeth on the slip members engage...
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3731942 |
HYDRAULICALLY ACTUATED TOOL COLLET
An improved chuck construction, particularly for holding a work tool, comprising a housing and a gripping sleeve mounted on the housing for relative axial movement therebetween. The housing and the...
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3647231 |
SELF-CONTAINED HYDRAULIC SYSTEM FOR FLUID-ACTUATED CHUCK
Chuck includes cylindrical housing with central bore and two sets of holes extending from the bore to side surface of housing, said sets being spaced apart axially of the housing and the holes in...
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3602521 |
CHUCK
This invention has to do with a chuck and, more particularly, to apparatus for holding long, thin-walled workpieces for internal grinding operations.
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3592482 |
HYDRAULIC CHUCK
A hydraulic type chuck or holder for receiving and driving a lobed shank of a tool or other operated part, the chuck having a sleeve which has a straight passage of lobed configuration and which is...
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3584777 |
TAILSTOCK AND FEED MEANS THEREFOR
A tailstock in which the work is firmly held in blocks which are biased together by hydraulic and/or spring means. A formula for determining whether the workpiece will be held within the blocks...
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3506278 |
PILE CHUCKS FOR VIBRATORY DRIVERS
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3490333 |
TOOL RETAINER
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3721092 |
CHUCK
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