| Patent Number |
Title Of Patent |
Date Issued |
| RE35519 |
Method and apparatus for smooth-rolling and deep-rolling multi-stroke crankshafts |
May 27, 1997 |
| A method and apparatus for smooth-rolling and deep-rolling the journal pins of multi-crank crankshafts divides the crank pins into two groups, each including alternating crank pins, since the space between neighboring crank pins is insufficient for simultaneously rolling all of the pins |
| 4947668 |
Rolling milling tool |
August 14, 1990 |
| A rolling milling tool is constructed so that the roller, in the form of a sphere, or cylinder or cone, is supported in a hydrostatic bearing to avoid counter rollers, thereby reducing the size of such tools. The roller is held in a bearing socket or guide chamber which may provide for a |
| 4922739 |
Roller milling tool unit for a milling machine tool |
May 8, 1990 |
| A roller milling tool unit is compact enough for insertion into a tool magazine of a machine tool and constructed to operate by a fluid circulating circuit of the machine tool. The unit has a tool section including a milling roller element and a fluid pressurizing section for generat |
| 4802285 |
Method and apparatus for ascertaining the radial location of a new wheel profile to be produced |
February 7, 1989 |
| A method and apparatus measure or gage worn railroad wheel profiles for the purposes of ascertaining the location of the new profile relative to the worn profile. The new profile is to be produced by a reprofiling operation such as a truing. For this purpose characteristic points on the |
| 4799839 |
Method and apparatus for performing a rotary broaching operation particularly on work pieces of |
January 24, 1989 |
| Work pieces, especially of rotational symmetry, are machined in a rotary broaching operation. The machine tool for this purpose has a tool carrier carrying a plurality of cutting edges arranged on a curved path in a radial work piece plane. In order to reduce down-time and to simplify th |
| 4680846 |
Material saving method for truing track wheels |
July 21, 1987 |
| Track wheels, especially railroad wheels, are trued in a material saving manner by first displacing material from zones of lesser wear to zones of higher wear on the wheel tread and/or on the wheel flange including the flank area of the flange, especially that part of the flank merging t |
| 4539831 |
Method for setting the stroke of movable rolling units, and crankshaft rolling machine for imple |
September 10, 1985 |
| A crankshaft rolling machine includes a pair of model crankshafts mounted for synchronous rotation. One or more crankshaft rolling units are coupled to the model crankshafts in a manner enabling adjustment of the units along a linear path to adapt the device to the stroke length of a |
| 4485537 |
Machine for the machining of crankshafts |
December 4, 1984 |
| Known machines for the machining of crankshafts, in which the machining units for the machining of the crankshaft are supported and moved by operating crankshafts, are not adjustable to different offset angles of crankshafts to be machined. Therefore a machine is proposed for the mac |
| 4289431 |
Boring tool with floating blades |
September 15, 1981 |
| A boring tool comprising a tool head provided with a slot extending transverse to the axis of the tool head in which a pair of opposite cutting knives are guided movable in longitudinal direction of the slot. A spacer is guided in the tool head movable between a first and a second po |
| 4167106 |
Method and apparatus for finish rolling workpieces of substantially circular cross-section to a |
September 11, 1979 |
| A method for finish rolling workpieces of substantially circular cross-section to a selected diameter, in which the workpiece is engaged at circumferentially spaced portions by two rolls, at least one of which is driven for rotation about its axis, and in which at least one of the rolls |
| 4133399 |
Boring device |
January 9, 1979 |
| A boring device adapted for deep boring wherein the boring head has a plurality of cutting inserts adjustably mounted on the boring head. Axially extending guide plates are mounted on the periphery of the boring head and are substantially equidistantly disposed between adjacent cutting |
| 4133089 |
Combined precision boring and burnishing tool |
January 9, 1979 |
| A combined tool for precision boring and burnishing the internal surfaces of workpieces comprises a bore head arrangement, a burnishing head arrangement rearwardly of the bore head arrangement and a feed tube arrangement connected to the burnishing head arrangement for axially advanc |
| 4119001 |
Method of and machine for reprofiling a railroad-car wheel |
October 10, 1978 |
| A railroad-car wheel is rotated continuously about its central axis. A tool having three axially and radially spaced cutting portions is first displaced along the wheel so as to remove high spots at the inner and outer edges thereof by means of the two end cutting portions. Thereafter |
| 4110910 |
Apparatus for simultaneously measuring the outer diameter of sets of profiled wheels |
September 5, 1978 |
| To measure simultaneously the outer diameter of sets of profiled wheels which are formed by a turning operation and therefore provided with circumferentially extending grooves, an apparatus is provided having a pair of metering wheels which have respective cylindrical circumferential |
| 4054976 |
Combined precision boring and burnishing tool |
October 25, 1977 |
| A combined tool for precision boring and burnishing a tubular workpiece includes a bore head and a burnishing head which are advanced by a feed tube into the interior of the tubular workpiece while the latter is rotated about its axis. In order to reduce the stresses on the three abo |
| 4033209 |
Support rolls for supporting wheels of a wheel set during reprofiling |
July 5, 1977 |
| A machine for reprofiling wheels of rail vehicles includes, for each wheel of a wheel set, a pair of support rolls arranged spaced from each other in a plane normal to the axis of the wheel set. The peripheral surface of each support roll has an axially extending carrying zone and an axi |
