Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7669906 | Running profile of railway wheel Wheels for goods wagons with small and large diameters, in addition to wheel sets equipped with wheels of this type for running gear, which are dependent on a highly passive radial positioning when negotiating curves and must remain stable at high speed. The inventi... | 03/02/2010 |
| 7267059 | Rail road freight car with damped suspension An auto rack rail road freight car is provided for carrying low density, relatively high value, relatively fragile lading. The car has trucks that have multiple dampers in a four corner arrangement in the sideframes. The dampers may include damper wedges having prim... | 09/11/2007 |
| 7137675 | Road wheel for tracked vehicles A hollow-shell road wheel for tracked vehicles includes a generally triangular, outer circumferential cavity formed by an outer rim and two wall members that extend radially inward at angles to a generally planar flange at approximately the mid-radius point of the h... | 11/21/2006 |
| 7044179 | Elastic wheel An elastic wheel includes a disk (1) secured to an axle hub, a rim (12) for mounting a tire, and an elastic member (10) arranged between the inner peripheral surface of the rim (12) and the outer peripheral surface of the disk (1).... | 05/16/2006 |
| 6935667 | Wheels for a wheeled vehicle A wheel assembly for a wheeled vehicle utilizes interchangeable wheel hubs to secure various types of tires to provide better performance and maintenance on the vehicles. The design of the hubs is such that fabrication costs are reduced as well as costs for maintain... | 08/30/2005 |
| 6679535 | Safety wheel, method of manufacturing such a wheel and bogie equipped with such a wheel This invention relates to a safety wheel, for a subway coach bogie, or the like, running on pneumatic tires, adapted to be interposed between a chassis of the bogie and a corresponding tire, said wheel presenting an outer peripheral zone having a braking ... | 01/20/2004 |
| 6488324 | Railway vehicle wheel with improved damping characteristics A railway vehicle wheel always improve damping characteristics when a thin visco-elastic layer is placed between the tire and the connecting disc or ring. The visco-elastic layer improves damping through shearing action and has a thickness that is lower t... | 12/03/2002 |
| 6352294 | Wheel for a track travel moving body, moving body provided with same, rail and travelling equipment using rail A wheel comprises a main body, a tread making a contact with a top face of the rail head of a rail, and a flange. At least at a portion of the wheel tread which is in contact with the rail, there is provided a tread-forming component formed of a ceramic-p... | 03/05/2002 |
| 6205930 | Trolley wheel tread and flange A trolley wheel for a load lifting apparatus that is movable along a rail having a horizontal supporting surface. The wheel includes a crowned tread surface for rolling contact with the rail and a flange for stabilizing the tread surface in position on th... | 03/27/2001 |
| 6093266 | Wheel body A wheel body for carriages or other vehicles which are used, inter alia, in roller-coasters and other installations of amusement parks, the wheel body being made of a casting alloy which, expressed in percentages by weight, comprises the following element... | 07/25/2000 |
| 5549343 | Train tire profile A section of a train wheel tread is formed into a continuous hyperbolic curve to respond asymptotically to changes in the path of a rail, thus, dampening lateral oscillation of the train wheels back and forth across rail. The hyperbolic curve at a minimum... | 08/27/1996 |
| 5527079 | Method for determining the outline of the axial section of a wheel and wheel made thereby In order to obtain, in service, a reduced acoustic emission, the position of the true point of contact (P) of the wheel with the rail is determined, the distribution of the masses of the section of the rim and of the wheel center of the wheel is adjusted ... | 06/18/1996 |
| 4890892 | Track roller assembly A track roller assembly supports and guides a portion of the endless track of a track type vehicle as that portion of the track travels between a drive wheel and an idler wheel of the vehicle. The rim portions of the roller assembly include a plurality of... | 01/02/1990 |
| 4702661 | Robot carrier structure A robot carrier structure constituted by a portal wagon movable on rails and laterially supported by a pair of carriages each comprising a pair of wheels longitudinally coupled by motion transmission means actuated in synchronism by an electric motor. Fur... | 10/27/1987 |
| 4669390 | Robot carrier structure A robot carrier structure constituted by a carriage movable on rails and supported on four wheels two of which are mounted on a driven shaft and two are idle wheels. Each drive wheel has a structure adapted to ensure a high adherence to the rail, particul... | 06/02/1987 |
| 4638540 | Method for manufacturing railway wheels A method for manufacturing a railway wheel with a base material, a more wear-resistant layer at the part of the flange facing the wheel tread, and a layer in the tread which gives a high friction between wheel and rail which is relatively independent of t... | 01/27/1987 |
| 4563956 | Travelling mechanism of a transport car running on profile rail track A frictional wheel and a toothed wheel with a pitch diameter less than the diameter of the frictional wheel are secured to a drive shaft of the travelling mechanism. The frictional wheel is comprised of an elastic material and exhibits radial slots for th... | 01/14/1986 |
| 4431227 | Railway friction wheel Method and device for enhancing the adhesion qualities of vehicle wheels through the use of a plurality of embedded members having exposed high frictional surfaces, which are capable of automatically being caused to attain frictional contact with a wheel ... | 02/14/1984 |
| 4364594 | Railway wheel vibration damping device A vibration damping device for a body resonant at two frequencies, is formed by a plate which can be connected to the body transversely with respect to its vibration direction. A post extends from the plate and mounts one end of an elastically flexible to... | 12/21/1982 |
| 4355578 | Railway wheels and rails damping structures A system comprising a rail wheel and rail has the wheel and preferably also the rail provided with vibration dampers which absorb vibration having the frequency of the radial resonant vibration frequency of the wheel, for the purpose of preventing the for... | 10/26/1982 |
| 4310191 | Wheels having hard particles distributed in metallic tread The present invention relates to railbound vehicles equipped with wheels which include a rail-contacting wear layer made of a metallic material which has evenly distributed therein hard particles, such as carbides, oxides, borides or nitrides, for increas... | 01/12/1982 |
| 4294482 | Railway wheel tread profile A profiled wheel tread for use with self-steering wheelsets, the tread having a running surface, a wheel flange, a taping line passing through the running surface, and a running zone between the taping line and the wheel flange. The invention provides tha... | 10/13/1981 |
| 4230043 | Railway car wheelset and rails therefore An improved railway car wheelset having a novel wheel configuration that permits greatly improved performance on existing and improved track. This means that substantially higher rolling speeds can be achieved without loss of stability and while maintaini... | 10/28/1980 |
| 4145079 | Railroad car wheel A railroad car wheel having an annular hub for connection to an axle and defining an inner radial surface adapted for disposition in facing relating to the inner surface of a wheel on the opposite end of the axle and an outboard radial surface facing outw... | 03/20/1979 |
