Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7354511 | Hydraulic unit for industrial trucks A hydraulic unit for industrial trucks, comprising a motor pump unit which is directly attached to a tank, a reflux filter which has an elongate filter casing for a filtering element adapted to be introduced into the tank through an opening, a hose coupling, and an ... | 04/08/2008 |
| 7273201 | Tiltable mountings for payloads A tiltable mounting as claimed in any of the preceding claims, wherein the lever has a conical shaped roller engaging the cam, the roller being mounted for rotation on the lever about an axis which passes through the pivotal axis of the lever and the conical surface... | 09/25/2007 |
| 7210695 | Suspension systems A suspension system for a vehicle with a chain driven rear wheel includes: a rear suspension assembly and chain driven transmission arrangement that offers very high levels of anti-brake lift and anti-squat and does so consistently through a large range of rear susp... | 05/01/2007 |
| 6815917 | Automatic lathe, method for controlling the same, and device for controlling the same A method for controlling an automatically operated lathe provided with at least one spindle and at least one tool rest includes the following steps. First, each of a plurality of transfer position data required in a sequence of machining programs in connection with ... | 11/09/2004 |
| 6812664 | Automatic lathe, and method for controlling the same and device for controlling the same A method for controlling an automatically operated lathe, provided with at least one spindle and at least one tool rest, includes the following steps. First, each of a plurality of transfer position data required in a sequence of machining programs in connection wit... | 11/02/2004 |
| 6357326 | Shape outlining device A shape outlining device for a user to easily mark or cut a predetermined shape on a surface. The shape outlining device includes a post assembly with a lower end for resting on a surface and an upper free end. A spool base has a central shaft with an upp... | 03/19/2002 |
| 5842395 | Lathe for producing an aspherical surface on an optical lens blank A lathe for producing an aspherical surface on an optical lens blank has a horizontal base, and a spindle is arranged for disposition in a preselected adjusted position on the base to rotatably mount the optical lens blank about a first preselected axis. ... | 12/01/1998 |
| 5694819 | Method and device for form cutting and form turning The invention concerns a special process and a device for the form cutting and form turning of work pieces. It is proposed, for a processing of this type for the purpose of production of unround geometries of this type as well as also work pieces as also ... | 12/09/1997 |
| 5435215 | Ornamental turning device An ornamental turning device (10) comprises a shaft (11) on which is mounted a work to be decorated. The device (10) also comprises tool drive means (5) for driving a tool (7) for decorating the work (9). The driving mechanism (5) ensures that the recipro... | 07/25/1995 |
| 5431076 | Trimming apparatus An apparatus adapted for trimming a plastic covering from a mouth opening of a blow-molded universal urinal includes a retaining block for rigidly holding the urinal in position opposite a trimming apparatus. The apparatus mechanically moves a knife mount... | 07/11/1995 |
| 5211089 | Cam-controlled tube end finishing apparatus and method A cam-controlled tube end finishing apparatus includes a cutting bit having multiple cutting faces, a platform supporting the cutting bit adjacent to the end of a rotating hollow tube, and a pair of cam-controlled mechanisms for moving the platform and th... | 05/18/1993 |
| 5181442 | Device for machining a non-circular sectioned workpiece A machine tool employs a cam, driven in response to an angular position signal of a workpiece, to cyclically displace a cutting tool with respect to the workpiece.... | 01/26/1993 |
| 5022293 | Method and working machine for producing surfaces of non-circular but regular cross sections A method for producing workpieces with surfaces of non-circular but regular cross-sections with a working tool, wherein the workpiece is rotated about its own axis and the axis of the workpiece is rotated around an axis being eccentric to the axis of the ... | 06/11/1991 |
| 5010793 | Machining apparatus for precise turning of an outside surface A workpiece (1) is fixed by means of a chuck (4) and rotates with a spindle (3) in a headstock (2). A first cam (30) is fixed to the main shaft of the spindle. Its control surface guides a feeler roller (31). A rotary pulse generator (8) is actuated by th... | 04/30/1991 |
| 4995300 | Lathe for generating aspherical surfaces on work pieces A lathe is provided for generating surfaces on work pieces and which includes a spindle for support of a work piece while it is revolved and against which a cutting tool is caused to traverse. A tool supporting turret assembly is provided to hold the cutt... | 02/26/1991 |
| 4964321 | Ball turner for turning lathes An auxiliary shaft (16) mounted coaxially with a main shaft (5) has at the top an eccentric (17) operatively connected via grooving (20, 21) to a tool-fastening plate (13). At the bottom of the auxiliary shaft is a wheel (19) fixed to the eccentric and pr... | 10/23/1990 |
| 4939963 | Fixture for precision turning of a lateral surface For high-precision material-removing machining of the lateral surface of a workpiece (1) rotating with the main spindle (3) of a turning lathe, a cutting tool (17) is fixed on a slide (14) which carries out an axial movement synchronized with the rotation... | 07/10/1990 |
| 4887500 | Ball turner for turning lathes An auxiliary shaft (16) mounted coaxially with a main shaft (5) has at the top an eccentric (17) operatively connected via grooving (20, 21) to a tool-fastening plate (13). At the bottom of the auxiliary shaft is a wheel (19) fixed to the eccentric and pr... | 12/19/1989 |
| 4856105 | Method and apparatus for making piston rings A method of making self-tensioning rings, including the steps of circumferentially machining an out-of-round ring blank on inner and outer surfaces thereof and subsequently cutting a ring segment out of the ring for obtaining a ring gap therein; measuring... | 08/08/1989 |
| 4852436 | Cam-controlled turning machine Apparatus and method is disclosed for forming an elliptical surface in a mirror 10. The mirror blank is rotated about a given axis and the cutting tool tip 24 is pivoted about an axis C which is generally perpendicular to and spaced from the workpiece axi... | 08/01/1989 |
| 4683788 | Method of and apparatus for chip-cutting of workpieces The invention describes a method and a device for processing by chip-cutting of workpieces. It is preferentially applied for the cross-cutting and chamfering of extruded plastics material tubes. A chip-raising or cutting tool may be fed forward radially w... | 08/04/1987 |
| 4679472 | Method and apparatus for machining the circumference of out-of-round workpieces, particularly piston rings Machining the circumferences of workpieces, particularly piston rings, in a variety of out-of-round contours and diameters requires only a single copying disc having a basic out-of-round contour. The copying disc is driven in synchronism with the angle of... | 07/14/1987 |
| 4671146 | Combination contour form and turning device A cross slide contour forming box tool and base which can be applied to automatic screw machines for contour forming desired contours of desired width on the outside of a workpiece. The contour forming tool is positioned on a transverse slide perpendicula... | 06/09/1987 |
| 4646595 | Machine tools In a machine tool, the tool is moved using a signal representing a required profile of the surface being machined. This signal is fed to a transducer, such as a piezoelectric crystal or a D.C. linear motor, which converts the signal into a corresponding l... | 03/03/1987 |
| 4646596 | Machine tools A machine tool for machining rotating workpieces at high rotational speeds and, in particular, with multiple tool movements within a revolution of the workpiece, comprises a low-inertia high-torque motor having an output shaft and a tool holder mounted fo... | 03/03/1987 |
| 4624159 | Lathe accessory The pedestal of the accessory apparatus, to be secured to the cross-slide of an automatic lathe, has a sliding guide arrangement for a bearing box in which a rotor is hydrostatically mounted for rotational and longitudinal movement. The rotor is held by a... | 11/25/1986 |
| 4612834 | Cross slide contouring box tool A cross slide contour forming box tool which can be applied to automatic screw machines for contour forming desired contours on the outside of a workpiece. The contour forming tool is positioned to a transverse slide perpendicular to the drive axis. The t... | 09/23/1986 |
| 4607461 | Accurate positioning apparatus The incremental very accurate positioning device is operable to control accurate positioning of a movable member such as a tool. The apparatus comprises a base with a mounting bar spaced from the base for mounting the member. The bar is movable along its ... | 08/26/1986 |
| 4584916 | Lead face machining apparatus A lead face machining apparatus for machining a lead face on a cylindrical workpiece. The apparatus includes a spindle unit having the workpiece rotatably mounted on it, an end cam provided rotatably together with the spindle, a first slide table and a se... | 04/29/1986 |
| 4584915 | Control system for a cam follower and tool A device imparts a predetermined motion to an object by using a cam. The device comprises a load compensator disposed at any desired position in a driven section and adapted to apply a force or torque to the driven section in order to counterbalance varia... | 04/29/1986 |
| 4576068 | Cam-controlled boring bar A cam-controlled boring bar system (100) includes a first housing (152) which is rotatable about its longitudinal axis (154), and a second housing in the form of a cam-controlled slide (158) which is also rotatable about the axis (154) as well as being tr... | 03/18/1986 |
| 4552045 | Positioning device A positioning device includes an X-direction slide table and a Y-direction slide table which are slidable in directions perpendicular to each other. Stops are adjustable as to their relative positions with respect to the slide tables to define accurate st... | 11/12/1985 |
| 4528876 | Universal single spindle pin crankshaft lathe A crankshaft lathe of the single spindle pin type capable of universal use with a variety of types of crankshafts. The lathe includes a single tool support mounted upon ways for movement both perpendicular and parallel to the workpiece axis. A single driv... | 07/16/1985 |
| 4505627 | Polygon box tool milling cutter applied to automatic screw machines A cross slide contour form milling box tool which can be applied to automatic screw machines for contour form milling desired contours on the outside of a workpiece. The contour milling tool is positioned to a transverse slide to the drive axis. The trans... | 03/19/1985 |
| 4479292 | Polygon box tools applied to automatic screw machines A polygon box tool for use with different machine tools by which a cutting and boring operation may be performed simultaneously. The polygon box tool may be used for turning a hexagon shape on the outside diameter of the workpiece while simultaneously tur... | 10/30/1984 |
| 4406192 | Apparatus for machining a planar side face of a piston ring Apparatus for machining the planar side face of a piston ring having a cutting tool holder reciprocable with respect to the planar side faces of the piston rings in the axial direction thereof. A cutting tool is secured to the cutting tool holder so that ... | 09/27/1983 |
| 4350059 | Method of producing shaving cutter A screw type shaving cutter and a method of producing the same. A large number of cutting edges are formed on the flanks of the thread of the cutter. Each cutting edge is inclined along a curve or a straight line in the trailing direction as viewed in the... | 09/21/1982 |
| 4309926 | Method and apparatus for preparation of spherical hob for generation of gear A method for the preparation of a spherical hob for generation of a gear, which has a plurality of hob blades formed on the surface of a spherical hob blank, is disclosed. This method comprises forming spirally on the peripheral surface of the hob blank p... | 01/12/1982 |
| 4302992 | Piston turning machine A lathe type piston turning machine wherein a single point cutting tool is controlled simultaneously by two separate cams to generate a desired contour on a piston which varies in both radial and axial cross section.... | 12/01/1981 |
| 4299061 | Cam machine with acceleration control The invention provides apparatus and a method for use in machining cam profiles, and is suitable for use in grinding, milling, turning or otherwise forming cams. A workpiece, i.e. a cam blank, is rotated adjacent a machine tool (e.g. a grinding wheel) and... | 11/10/1981 |
