Class / Patent application number | Description | Number of patent applications / Date published |
451294000 | Means to rotate tool | 22 |
20080214096 | Machining Spindles - A machining spindle includes an inner shaft arranged for carrying a first tool and an outer shaft for carrying a second tool. The shafts are mounted for rotation about a common axis and for axial movement relative to each other. The inner shaft is mounted within the outer shaft, which is journaled in a main body of the spindle. The machining spindle also includes a fluid pressure-driven actuator arrangement for driving the shafts between a first state and a second state differing in relative axial positions. The actuator arrangement is provided within and rotates with the outer shaft. | 09-04-2008 |
20080305726 | WHEEL SPINDLE DEVICE FOR GRINDING MACHINE - In a wheel spindle device wherein a plurality of grinding wheels are attached in a juxtaposed relation to a wheel spindle rotatably carried on a wheel head of a grinding machine, a reference position for specifying a position in the circumferential direction of the grinding wheel is provided on a core member of each of the grinding wheels, and a plurality of inclined grooves at predetermined angular intervals are formed on a grinding surface of each grinding wheel to be inclined relative to the circumferential direction of each grinding wheel. In order that the fluctuations in the dynamic pressure and the grinding resistance between respective grinding wheels and workpiece portions ground therewith do not grow as a combined or synergy effect, the inclined grooves on each grinding wheel are shifted in angular phase from those on another grinding wheel, so that grinding efficiency and accuracy can be enhanced. | 12-11-2008 |
20090075572 | Pneumatic Die Grinder Operable as Blow Gun - A pneumatic grinding tool having a blower feature that can be selectively employed to blow debris away from a work area. The tool has a valve that directs input air that can be used to drive an output of the tool to a blower air passage. The blower air passage terminates at a head of the near the output of the tool. | 03-19-2009 |
20100015897 | Spindle with draw rod and current conductor - The invention relates to a spindle ( | 01-21-2010 |
20100093265 | DEVICE FOR MACHINING OPHTHALMIC LENSES, THE DEVICE HAVING A PLURALITY OF MACHINING TOOLS PLACED ON A SWIVEL MODULE | 04-15-2010 |
20120045975 | LENS-PROCESSING DEVICE - A lens processing device ( | 02-23-2012 |
20120196517 | GRINDING APPARATUS FOR REMOVING PROCESSING DEBRIS - A grinding apparatus includes a base, a case, a transmission module, an inlet water module and drain module. The case is positioned on the base. The transmission module is positioned on the base, and includes a motor and a grinding plate. The motor drives the grinding plate to rotate. The inlet water module is configured for feeding water onto the grinding plates. The drain module includes a drain pan and a drain pipe. The drain pan is detachably attached to the case, the drain pipe is connected to the drain pan, and is exposed from the case. | 08-02-2012 |
20120214387 | HONING MACHINE COMPRISING A DEVICE FOR THE MECHANICAL SURFACE MACHINING OF WORKPIECES - A honing machine comprises a machining unit for honing equipped with a tool spindle. It includes a machine base with an upper side and an upper machine part with an underside. The upper machine part has a vertical column, which has on its outer surface in an upper column region devices for receiving the machining unit that is equipped with a tool spindle. The machine further comprises an annular table with an underside, the annular table being arranged around the column in a lower column region and having a device carrier, which is rotatable about a vertical axis of rotation, for receiving at least one workpiece receiving device. The annular table and the upper machine part are respectively arranged with their underside on the upper side of the machine base and are mounted fixedly in place on the machine base. | 08-23-2012 |
20130029568 | ASSEMBLY FOR GRINDING ELECTRODES - A device for processing welding electrodes with a grinding surface driven by a driving motor with a shaft, which faces the motor and runs in a housing, wherein at least one opening is provided in the housing for guiding a welding electrode for grinding in a defined position relative to the grinding wheel. The housing is releasably fixed to a motor flange for bearing the shaft, and the grinding wheel is arranged on a side of the motor flange which is remote from the motor. The motor flange is formed by a sleeve, which is adapted to be stuck onto the housing in such a way, that at least one opening extends from the circumference of the housing towards the grinding surface facing the motor. | 01-31-2013 |
20130157548 | LOW PRESSURE POLISHING METHOD AND APPARATUS - An improved low pressure low speed concrete polishing apparatus and method of cleaning and polishing a floor is used with a conventional rotary flooring machine. A polishing pad has interchangeable polymer strips that are slideably received within the housing of the pad. The polymer strips have an abrasive material embedded therein which collectively work to polish the floor while cleaning the floor during normal low speed floor cleaning conditions. | 06-20-2013 |
20130316625 | GRINDING MACHINE WITH 5-AXIS FOR CUTTER - A grinding machine with 5-axis for cutters is disclosed, the grinding machine includes a grinding machine base ( | 11-28-2013 |
20130344778 | Device For The Fine Machining Of Optically Active Surfaces On, In Particular, Spectacle Lenses - A device for the fine machining of optically active surfaces in particular spectacle lenses, has a spindle shaft which has a tool-holder portion and is mounted in a spindle housing such that it can rotate about a tool rotation axis. The device has an electric rotary drive with a rotor and a stator that rotates the spindle shaft operatively connected to the rotor about the tool rotation axis. The tool-holder portion can be displaced axially in the direction of the tool rotation axis. The rotor and the stator parts are axially guided in a guide tube along the tool rotation axis. The spindle shaft is in the form of a hollow shaft, via which the tool-holder portion, which is configured to hold a membrane chuck, can be subjected to a fluid. | 12-26-2013 |
20140030965 | FULLY SYMMETRIC CUTTER GRINDING MACHINE WITH 5-AXIS AND GRINDING WHEEL HEAD BRACKET THEREOF - A fully symmetric cutter grinding machine with 5-axis includes a grinding machine base and a pillar, sliding rails are vertically arranged on an inside of the pillar, the sliding rails are provided with a grinding wheel head bracket, the grinding wheel head bracket comprises torque motors vertically provided, a lower part of the torque motor is connected to a horizontally provided spindle by means of a bearing of a rotation table, grinding wheels rotating around an axis of the spindle are symmetrically provided at two sides of the spindle, the grinding wheel head bracket further comprises a big rotatable pulley provided at an upper part of the grinding wheel head bracket and driven to rotate by spindle motors, the big pulley is connected to a spindle pulley by a wide synchronous belt. | 01-30-2014 |
20140051339 | Tool Arrangement - A tool arrangement for a rotary machining tool, for example a grinding disk, has a spindle rotatably accommodated in a housing via a bearing set, onto which spindle a tool holder including a tool mandrel can be clamped for fixing the tool. The tool holder with the tool can be clamped onto the spindle such that the at least one front bearing of the bearing set as well as the set center of the bearing set are enclosed by the tool mandrel and/or the tool. | 02-20-2014 |
20140080386 | Tool operating assembly for a lens shaping machine - A tool operating assembly for a lens shaping machine to finish the peripheral edge of a corrective lens wherein the tool operating assembly is disposed in operative relationship relative to a lens operating assembly comprising a lens support assembly to support the corrective lens to be finished and a multi-axis lens positioning assembly to move the corrective lens relative to the tool operating assembly during the finishing operation to finish the peripheral edge of the corrective lens, the tool operating assembly comprising a multi-station tool support assembly to selectively position one of a plurality of tools in operative position to engage the peripheral edge of the corrective lens to be finished and a tool drive assembly to rotate the selected tool during the finishing operation to finish the peripheral edge of the corrective lens. | 03-20-2014 |
20140127980 | GRINDING DEVICE FOR GRINDING END OF ROD INTO SPHERICAL SURFACE - A grinding device includes a grinding wheel spun by a first driver, a holder, and a second driver providing linear movement to the holder. The grinding wheel defines a groove which has a hemispherical bottom surface. The holder holds a light-transmitting rod with an end inserted into the groove and set substantially parallel to a rotating axis of the grinding wheel. | 05-08-2014 |
20140170940 | POLISHING DEVICE - A polishing device includes a driving member and a polishing head. The polishing head is connected to the driving member and includes a rotating body made of metallic material, a buffering pad, and an abrasive paper. The buffering pad is made of plastic material and is fixedly assembled to the rotating body. The abrasive paper is fixed to a surface of the buffering pad opposite to the rotating body. | 06-19-2014 |
20140199925 | TOOL SPINDLE FOR A HONING MACHINE WITH A BOWL-SHAPED HOLDER FOR A HONING RING - A tool spindle for a honing machine includes a bowl-shaped holder having a circumferential peripheral wall connected to a bottom part. The bowl-shaped holder is configured to hold a honing ring on an inside of the bowl-shaped holder. At least one expansion element is formed on the inside of the bowl-shaped holder along an inner surface of the circumferential peripheral wall. The at least one expansion element radially clamps and centers the honing ring inside the bowl-shaped holder. A hydraulic chamber is disposed in the bottom part of the bowl-shaped holder. At least one hydraulic line is connecting in fluid communication the at least one expansion element and the hydraulic chamber. A single adjustment element is movable in relation to the bottom part of the bowl-shaped holder, where the single adjustment element is in fluid communication with the hydraulic chamber. | 07-17-2014 |
20140235144 | CHEMICAL MECHANICAL POLISHING MACHINE AND POLISHING HEAD ASSEMBLY - A chemical mechanical polishing machine includes a polishing head assembly including a polishing head body and a membrane disposed at a bottom of the polishing head body. The bottom surface of the membrane includes a hydrophobic area and a hydrophilic area. | 08-21-2014 |
20160129549 | CHEMICAL MECHANICAL POLISHING MACHINE AND POLISHING HEAD ASSEMBLY - A chemical mechanical polishing machine includes a polishing head assembly including a polishing head body and a membrane disposed at a bottom of the polishing head body. The bottom surface of the membrane includes a hydrophobic area and a hydrophilic area. | 05-12-2016 |
20180021916 | SURFACE FINISHING ASSEMBLY | 01-25-2018 |
451295000 | Hydraulic driver | 1 |
20150050867 | FLOATING BRUSH TRAIN FOR EXTERNAL CLEANING OF TUBULARS - Enhanced methods are disclosed for performing operations such as cleaning, inspection or data acquisition on an external surface of a hollow cylindrical tubular. Preferred embodiments include providing a fluid dispenser and an abrasion assembly on a buggy that travels up and down the length of the tubular as the tubular rotates. The fluid dispenser includes nozzles that dispense cleaning fluids onto the tubular's external surface. The abrasion assembly includes a swivel brush and a brush train providing different styles of abrasion cleaning of the tubular's external surface. Preferred embodiments of the buggy also carry a range finding laser and an optical camera generating samples that may be processed in real time into data regarding the surface contours and the diameter variations on the tubular's external surface. Cleaning and inspection variables such as tubular rotational speed, or buggy speed, may be adjusted responsive to measured surface contour data. | 02-19-2015 |