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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7351018 | Method and apparatus for measuring a depth of holes in composite-material workpieces being machined by an orbiting cutting tool A method and apparatus for measuring a hole depth in a composite-material workpiece machined by a orbital cutting tool, including the steps of applying a low-level electric potential to an electrically insulated cutting tool having a cutting head with radial and axi... | 04/01/2008 |
| 7318693 | Device for machining workpieces and machine arrangement therefor The invention relates to a device for machining workpieces, especially for chip removing machining. The device includes a spindle which is mounted on a first end of a pivoting arm in such a way that it can be linearly displaced in a direction parallel to the rotatio... | 01/15/2008 |
| 7249918 | Cutting machine Cutting apparatus having a ram axis gear tube (32) equipped with internal threads engageable with external threads (48) of a main shaft (42). A tool can be fixed to the main shaft (42). The external threads (48) of the main shaft (... | 07/31/2007 |
| 7207270 | Fixture for printing blinds Provided is a fixture assembly for printing image graphics on a slat set of a window blind. The slat set is comprised of a plurality of substantially identically configured slats. Each one of the slats has a slat length and a slat width. The fixture assembly compris... | 04/24/2007 |
| 7198097 | Angled ribs for heat exchanger tanks The present invention relates to the field of automotive heat exchangers, and, in particular, to ribbed heat exchanger tanks. This invention uses ribs that are oriented perpendicular to the local wall bending axes, and, therefore, not necessarily perpendicular to or... | 04/03/2007 |
| 7093628 | Method of and apparatus for forming timbers with rounded ends The method of forming timbers especially for use as webs in timber roof trusses comprising feeding timbers in a predetermined path with the timbers extending transversely to the direction of feed and, as the timbers are so fed, shaping the ends thereof to rounded fo... | 08/22/2006 |
| 7063654 | Machining center Machining is possible in such a manner that an optional position of a workpiece is positioned just under a tool by rotation of a turn table in a C-axis direction and movement of a spindle on a Y-Z plane, so that a width of a main unit in a X-axis direction can be ma... | 06/20/2006 |
| 6798088 | Structure for symmetrically disposed linear motor operated tool machine The structure for symmetrically disposed linear motor operated tool machine comprises two parallelly erected sustaining walls, a movable gantry, a sliding saddle, a tool spindle, and a weight compensation device. At both sides of the movable gantry between the susta... | 09/28/2004 |
| 6749378 | Semi-contact guide apparatus and machine tool using the guide apparatus A semi-contact guide apparatus includes a bed as a first member, a column as a second member, a plural number of oil-hold portions and an oil-supply device. The column is movably guided on the bed. A sliding surface is formed on the column. The plural number of oil-... | 06/15/2004 |
| 6663327 | Numerically controlled orbital machining apparatus An orbital machining apparatus for producing a hole in a workpiece using a cutting tool and including a first actuator for rotating the cutting tool about its longitudinal center axis, a second actuator for moving the cutting tool in an axial feed directi... | 12/16/2003 |
| 6623221 | Articulated milling arm for a dental milling instrument An articulated milling arm for a milling instrument, which includes a milling arm support movably attached to a frame to allow vertical displacement of the milling arm support; a first vertical axle, rotatably connecting the first milling arm support to a... | 09/23/2003 |
| 6582168 | Machine tool A machine tool having at least one tool spindle which can be moved and positioned in at least one working plane by a movement system. It is proposed to produce the movement system from at least two guide rods connected to one another in an articulated man... | 06/24/2003 |
| 6540456 | Method and apparatus for cutting low density flexible material using a rotary cutting tool Apparatus and method for cutting a low density flexible material and passing through a semi-rigid base material simultaneously by means of a rotary milling cutter and simultaneously applying a compressive force to the flexible material to increase the rig... | 04/01/2003 |
| 6416263 | Piping structure, existing pipe cutting method and fluid supply suspension-free method A piping structure of the present invention comprises an existing pipe and a seal-up housing. The existing pipe has a collection opening formed in the bottom thereof. The seal-up housing comprises two or more housing parts which are segmented circumferent... | 07/09/2002 |
| 6374472 | Method of and apparatus for machining crankpins To improve a metal-cutting process for machining cylindrical contours, especially eccentric cylindrical contours on a workpiece mounted to rotate about a longitudinal axis, especially with eccentric crankshaft bearings using a lathe tool, producing a fini... | 04/23/2002 |
| 5809631 | Multiple-axis machining apparatus A multi-axis machining apparatus including structure for positioning a workpiece in a precise and repeatable manner in relation to a tool bit. The multi-axis machining apparatus includes a main table forming a horizontally disposed upper surface and havin... | 09/22/1998 |
| 5660511 | End mill with correction for side deflection An end mill for simultaneously milling two intersecting perpendicular surfaces of a part. The end mill is subjected to side cutting loads causing side deflection of the end mill, with the result that both the side-milled surface and the end-milled surface... | 08/26/1997 |
| 5316420 | Support for a rotary machine tool A reinforcement rib structure for a support column of a rotary machine tool is disclosed. The reinforcement rib structure includes a first set of ribs which are inclined clockwise with respect to the vertical and a second set of ribs which are inclined co... | 05/31/1994 |
| 5257654 | Biscuit joiner with retractable antiskid pins A biscuit joiner 11 has a pair of selectively usable retractable antiskid pin subassemblies 13, 15 for increasing the frictional resistance of the shoe assembly 23 with a workpiece when making a cut in the workpiece. Pins 19, 21 are biased forwardly to an... | 11/02/1993 |
| 5168608 | Apparatus for the repair of turbine blades A method of and apparatus for forming a through bore or recess in a turbine blade, for a lacing wire hole for example, includes a machine capable of approaching the area to be machined in a first direction during which an initial machining operation may t... | 12/08/1992 |
| 5152643 | Methods and apparatus for milling the horizontal joint of a steam turbine Methods and apparatus for milling a flat surface on a large scale assembly, such as the horizontal joint surface of the outer structure of a steam turbine, are disclosed. In a preferred embodiment, lateral and longitudinal drive means are installed on a l... | 10/06/1992 |
| 5062750 | Sandwich panel cutting method and machine tool A method and apparatus for cutting a workpiece, such as a panel, in particular a sandwich panel, in which an elongate milling cutter 21 is mounted in axially spaced bearings 18, 19. A workpiece is supported on a support 11 and a relative cutting sweep mov... | 11/05/1991 |
| 5054975 | Milling machine with mill head having retractible return A milling machine for cutting a surface on a workpiece and including a milling head assembly having a cutting stroke for cutting the surface of the workpiece and a return stroke to prepare for the next cutting stroke, the milling head assembly including a... | 10/08/1991 |
| 5046903 | Method and apparatus for conducting operation in pipe A method and an apparatus for conducting predetermined operations in the interior of a pipe with a cutter, in which the cutter is shifted so that a rotary axis of the cutter is angularly displaced about an axis extending along the pipe and is displaced in... | 09/10/1991 |
| 5037253 | Apparatus for making Venetian blinds An apparatus and method are provided for finishing the fabrication of venetian blinds at or near a point of purchase. The blinds are shipped to the point of purchase in a partially completed condition wherein the slats of the blinds have registered apertu... | 08/06/1991 |
| 4947908 | Method and tool for forming biscuit joints A simple, low cost, light weight biscuit jointer (21) comprises an elongated motor housing (23), a motor end cap assembly (25) fixed to one end of housing (23) and a base assembly (27) for engagement with a workpiece. To form a biscuit receiving slot in a... | 08/14/1990 |
| 4878789 | Apparatus for cleaning titanium pots Apparatus for cleaning the inside of a metallurgical vessel including an inclined foundation and ways on the inclined foundation to support the carriage of a mobile cleaning device. The mobile cleaning device has a carriage which moves along the ways on s... | 11/07/1989 |
| 4830554 | Routing apparatus for cutting printed circuit boards Routing a circuit board from the bottom side allows board removal from areas not generally accessible from the top side, such as board areas which are overhung by top side, such as board areas which are overhung by electrical connector "headers", as well ... | 05/16/1989 |
| 4819721 | Remotely controlled articulatable hydraulic cutter apparatus A remotely controlled, hydraulically operated cutter apparatus for use in a conduit includes control panel for generating a plurality of control signals for controlling the operation and a source of pressurized hydraulic fluid. Valves are provided for rec... | 04/11/1989 |
| 4815904 | Drilling assembly for making boreholes with undercuts A drilling assembly for making boreholes with undercuts comprises a housing receiving a drill receiver driven by a drilling machine, a drill, the shaft of which is connected to the drill receiver, and a sleeve-shaped centering insert protruding from the h... | 03/28/1989 |
| 4781049 | Apparatus for creating a florentine pattern on a gold strip An apparatus for creating a florentine finish on a gold strip comprising a table-like support including spaced-apart driven friction wheels which move the gold strip across the upper surface of the support beneath a rotating and oscillating cutter wheel w... | 11/01/1988 |
| 4774746 | End-forming machine An end-forming machine tool comprises a machine bed (1), which carries workpiece-gripping means (2) and at least one headstock (3), which is guided for a displacement along the axis of the workpiece relative to the workpiece-gripping means. In order to pe... | 10/04/1988 |
| 4750849 | Method and apparatus for milling A method and apparatus for cutting a pair of circular grooves in the side edges of the periphery of a circular disk such, for example, as the stator of an alternator. A milling cutter having axially spaced cutting elements along its periphery is positione... | 06/14/1988 |
| 4674162 | Rotary synchronous cross drilling attachment A drilling attachment for use with a machine tool that rotates a workpiece in which the drilling apparatus is moved into an operative position to the workpiece by means of the machine tool slide and is rotated with the workpiece so that a drilling member ... | 06/23/1987 |
| 4657452 | Contouring machine for printed circuits Contouring of a stack of one or more circuit boards is effected by first partially cutting the contour, leaving a portion of the contour long enough to ensure the rigidity of the circuit with respect to the board. The circuit is then clamped, while the re... | 04/14/1987 |
| 4630676 | Remotely controlled hydraulic cutter apparatus A remotely controlled, hydraulically operated cutter apparatus for use within a conduit includes a control for generating a plurality of control signals for controlling the operation of a source of pressurized hydraulic fluid. Valves are provided for rece... | 12/23/1986 |
| 4616385 | Rotary synchronous cross drilling attachment What is proposed is a drilling attachment for use with a machine tool that rotates a workpiece in which the drilling apparatus is moved into an operative position to the workpiece by means of the machine tool slide and is rotated with the workpiece so tha... | 10/14/1986 |
| 4530627 | Pinless router A pinless router comprising a router coupled to a movable support arranged and configured such that it has at least one separable portion which may be decoupled from the remainder of the support, a means for vertically moving the router and the support, a... | 07/23/1985 |
| 4514122 | Pressure foot for machine tool An improved pressure foot contact assembly comprising a small number of plastic parts provided to replace a more complex and expensive contact assembly employed in a prior art pressure foot for a routing machine. In the preferred embodiment, a slotted cyl... | 04/30/1985 |
| 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 |
