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| Number | Title | Issue Date |
| 7354481 | Substrate holding and rotating apparatus A substrate holding and rotating apparatus includes: a spin base connected to a rotary shaft and rotatable therearound; holding members attached to the spin base and displaceable between holding positions at which the holding members come in contact with the periphe... | 04/08/2008 |
| 7264429 | Tool free collet assembly A collet assembly, for selectively attaching a tool accessory to a tool, having a collet nut rotatably connectable to the tool, a collet compressible by the collet nut, and a torque application feature movably connected with the tool. The torque application feature ... | 09/04/2007 |
| 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 disklike hub (64), can be operatively conn... | 08/21/2007 |
| 6997656 | Device and assembly for holding an object A device for holding an object, and an assembly for holding and rotating an object. The device includes a base, a series of posts, each of which is equidistant from a center point of reference and further pivotably holds a follower rotationally linked to all other f... | 02/14/2006 |
| 6964419 | Chuck rollers and pins for substrate cleaning and drying system A design for chuck rollers and a design for chuck pins for a wafer cleaning and drying system is disclosed. Each of the chuck rollers includes a roller head which ensures proper engagement of a wafer with the chuck rollers for rotation of the wafer during a wafer sc... | 11/15/2005 |
| 6874790 | Device for rotating disc-shaped objects A device for rotation of disc-shaped elements of different diameter, such as matrices for manufacturing audio and video discs. The device comprises a rotatable chuck (10) in which three arms (20) distributed evenly in the peripheral direction are pivot... | 04/05/2005 |
| 6179303 | Device for accomodating a tool or a support element in a machine tool or a spindle A device for receiving a tool or support element in a machine tool or spindle has a tool carrier receiving member arranged in a machine tool or spindle and a tool carrier having a tool receiving member for a tool as well as a clamping device for securing ... | 01/30/2001 |
| 6131533 | Jig for forming hard carbon film over inner surface of guide bush using the jig A hard carbon film is formed over an inner surface of a guide bush by fixing an auxiliary electrode support member for supporting an auxiliary electrode of a jig for forming a film in a center bore of the guide bush by an auxiliary electrode insulation me... | 10/17/2000 |
| 5953974 | Apparatus for cutting slots in corrugated and twin-wall pipes An apparatus for cutting slots in corrugated and twin-wall pipes that have annular elevations alternating with annular impressions, comprises a machine frame with a pipe duct and a lifting carriage for moving a pipe through the pipe duct. Two groups of ho... | 09/21/1999 |
| 5259630 | Device for clamping workpiece A device for clamping a workpiece has a base body rotatable together with a spindle of a machine tool. The base body has a hollow portion defining a space. A piston is mounted in the space so as to be movable back and forth by fluid supplied through passa... | 11/09/1993 |
| 5218890 | Keyless adjustable driver A keyless adjustable driver, attachable to a chuck on a drill, having a plurality of adjustable settings for holding and driving bolts with flat sides. The keyless adjustable driver includes a cylindrical body having an axial hole, a central shaft, passin... | 06/15/1993 |
| 5049013 | Mixer apparatus A mixer for liquids and liquid suspensions has a motor drive and housing which is portable and can be carried from tank to tank and attached to the tank where mixing is carried out. The housing depends from the yoke and contains a quill which is driven by... | 09/17/1991 |
| 4946178 | Chuck and method of chucking A chuck and methods of chucking or clamping a workpiece for multiple machining operations without requiring rechucking or repositioning of the workpiece employs an arcuate cradle for supporting the workpiece with an abuttment at one of its ends. The workp... | 08/07/1990 |
| 4938489 | Self-centering holder for optical devices and the like A holder for an optical device such as a lens includes a frame and a plurality of arms pivotably attached to the frame. A resilient member urges the arms toward a closed position in which the arms meet at a common center within the frame. Linking members ... | 07/03/1990 |
| 4935595 | Electrode tip replacement apparatus for welding gun An electrode tip replacement apparatus for a welding gun comprising a housing having a through-hole through which an electrode tip attached to a gun arm of a welding gun can be inserted, a chuck member in such through-hole and having a ring shaped cam rot... | 06/19/1990 |
| 4899627 | Arrangement for centering and clamping work pieces An arrangement for centering and clamping of work pieces comprises tension levers swingably supported on a base plate, the tension levers of which are arranged coaxially on a pivot, while the other tension lever is supported on a second pivot which has th... | 02/13/1990 |
| 4802680 | Coaxial collet chuck A coaxial collect truck is disclosed having at least two clamping jaws which are radially adjustable by a respective chuck lever, whereby every chuck lever is connected to a respective stationary base part at one end by a first spring joint and is connect... | 02/07/1989 |
| 4786063 | Bone vise A bone vise for holding a bone or bone fragment immobile during surgery to enable a surgeon to perform desired sculpting or other operations thereon. The vise includes a planar base member with an integral threaded post upstanding from its central portion... | 11/22/1988 |
| 4761876 | High speed precision drilling system A high speed drilling system is disclosed for high speed drilling of very small holes in workpieces such as printed circuit boards. The X-Y positioning system includes air bearings to provide lift between the stationary guide beams, the crossbeam and the ... | 08/09/1988 |
| 4605348 | Quick release adapter An adapter for a torquing tool includes an elongated body having a bore at at least one end to accommodate a working member such as a drill bit or fastener driver and a coupling means for detachably attaching the body to the tool. The improvement comprise... | 08/12/1986 |
| 4572525 | Centrifugal chucking apparatus Centrifugal chucking apparatus for fixing a member to be rotated to a rotatable driving member includes a cylindrical cage member adapted to be mounted for rotation with the driving member, at least one clamping body movably mounted within an aperture for... | 02/25/1986 |
| 4491443 | Modified quick release adapter An adapter for a torquing tool includes an elongated body having a bore at at least one end to accommodate a working member such as a drill bit or fastener driver and a coupling means for detachably attaching the body to the tool so that at least a portio... | 01/01/1985 |
| 4486010 | Jig for holding members in radial array The jig of this invention holds a radial array of separate materials together so that they can be glued, welded, or otherwise secured together. The jig is then removed. A plurality of fingers are pivoted to a common support, and elastic means are used to ... | 12/04/1984 |
| 4410191 | Self-energizing automatic lathe chuck A self-energizing lathe chuck is provided with a pair of interiorly mounted clamping shoes which serve to grip a piece of stock directed through an aperture in the chuck so as to retain the stock in a desired working position. The clamping shoes are mount... | 10/18/1983 |
| 4353561 | Self-aligning lathe chuck jaws A lathe chuck jaw for a lathe chuck having a radially moving actuator which radially moves the jaw in to and out from the workpiece. A jaw base part is rigidly connected to the actuator. A jaw shoe part is rotatably attached to the base part. The shoe par... | 10/12/1982 |
| 4303252 | Chuck for rotary tool A chuck for a rotary tool includes a body having a cylindrical bore for receiving the shank of a work performing member. A sleeve surrounds the body and forms an annular space in which is disposed a pair of opposed jaws which extend through opposed slots ... | 12/01/1981 |
| 4249799 | Connector for optical devices The disclosure is of a device for connecting togetheer two optical devices, and is primarily intended for quick connection and disconnection of two optical devices such as an endoscope and a viewing tube or two lenses.... | 02/10/1981 |
| 4106177 | Method of withdrawing elongate tubular members An elongated tubular member is withdrawn from a bore in a support member by fixing at a leading end of the tubular member a hollow adapter, inserting through the tubular member and the hollow adapter a rod having an overall length greater than the combine... | 08/15/1978 |
| 3975867 | Hand-held gem dop A hand-held gem dop is described having a slender tubular handle into which is threaded a rod-like component having jaws affixed at the upper end thereof, said jaws actuated by contact with the upper rim of the tubular handle to hold gem stones for polish... | 08/24/1976 |
