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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7735888 | Railway vehicle wheel with elastic rubber suspension A rubber-sprung wheel for rail vehicles includes a wheel tire which is connected to a wheel rim by a rubber insert that is formed by two flat rings that are arranged so as to be essentially vertical in relation to a wheel axle. The two flat rings are held, under con... | 06/15/2010 |
| 7731253 | Rubber-sprung rail wheel The invention relates to a rubber-sprung rail wheel having a wheel tire (1), which has a peripherally-extending web (3) on the inner side (2) thereof, and a wheel rim (4) provided with two legs (6, 7) on the outer side (5) t... | 06/08/2010 |
| 7228803 | Guide assembly for guide rail comprising pair of angled guide wheels The flanged type guide wheel (1) or (2) has a peripheral edge (27) which has within its profile a recess (30), for example, a notch, the shape and position of which maintain the surface cover (28) of the guide wheel at a distance f... | 06/12/2007 |
| 7171750 | Method of producing a torsional damper To provide a method of producing a torsional damper to prevent an annular rubber undulation in the pressing of the annular rubber between a hub and an annular mass, improve strain durability of the torsional damper, and decrease a press-in load in the press-in of th... | 02/06/2007 |
| 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 |
| 6981535 | Elastic wheel An elastic wheel includes a disk (1) having a base rim (2), a rim (3) for supporting a tire (10), and an annular elastic rubber body (4) arranged between the outer peripheral surface of the base rim (2) and the inner periphe... | 01/03/2006 |
| 6965806 | Automatic work order/parts order generation and tracking A process control system uses an asset utilization expert to collect data or information pertaining to the assets of a process plant from various sources or functional areas of the plant including, for example, the process control functional areas, the maintenance f... | 11/15/2005 |
| 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 |
| 6739678 | Isolated idler assembly An idler assembly includes a hub has a plurality of segments connected thereto. A groove is positioned in either an outer circumferential surface of the hub or the inner surface of the plurality of segments. The groove has first and second tapered sides that termina... | 05/25/2004 |
| 6732775 | Elastic wheel An elastic wheel having a disk 1 equipped with a base rim 2 and a rim 3 for supporting a tire includes a pair of guides 4 fixed annularly on the inner peripheral surface of the rim 3 and a pair of wall portions 5 fixed annul... | 05/11/2004 |
| 6598919 | Wheel assembly for a roller coaster A tire assembly for a wheeled vehicle has a ring-shaped integrally formed outer tire member made of relatively hard and relatively rigid material, and a ring-shaped integrally formed inner tire member. The inner tire member is made of a resilient material... | 07/29/2003 |
| 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 |
| 6375243 | Wheel assembly for a roller coaster A tire assembly for a wheeled vehicle has a ring-shaped integrally formed outer tire member made of relatively hard and relatively rigid material, and a ring-shaped integrally formed inner tire member. The inner tire member is made of a resilient material... | 04/23/2002 |
| 6343554 | Vehicle wheel, in particular for a low-platform vehicle A vehicle wheel includes a wheel hub rotatably mounted on a stationary axle and a running tread, tire or the like connected with the wheel hub. A device for connecting structural components such as, for instance, a transmission part or a brake disk, for t... | 02/05/2002 |
| 6321859 | Blasthole drill with bi-material roller for supporting a load A roller is designed for adaptation into a blasthole drill and is specifically designed for use in conjunction with a rotary carriage to allow the carriage to move up and down a blasthole drill mast as needed. The roller is made of a substantially non-def... | 11/27/2001 |
| 6312033 | Resilient wheel for rail vehicles The invention relates to a resilient, multi-component wheel for rail vehicles, comprising a rim (2) and hub (11) as well as an elastic element (6, 8) removably inserted between said rim and hub. Said elastic element (6, 8) is configured as a concentric, s... | 11/06/2001 |
| 5992913 | Running wheel for traveling units which are movable on rails, especially for traveling cranes The invention is directed to a running wheel for traveling units which are movable on rails, especially for traveling cranes. The running wheel includes an outer running ring, a resilient damping hub inserted in central opening of the running ring. The hu... | 11/30/1999 |
| 5702141 | Polyblock railway wheel Polyblock railway wheel of the type comprising a rim (1), a center part (2) constituted by a hub (22) and a web (6), a damper (5) disposed between the center part (2) and the rim (1), at least one flange (3), and fasteners (7) for fixing the at least one ... | 12/30/1997 |
| 5582452 | Member for rubber-sprung rail wheels and rubber-sprung rail wheel A rubber member for rubber-elastic rail wheels which in the expanded state has an oval opening for receiving a flexible current bridge. When the rubber member is incorporated in the rail wheel, the opening assumes a substantially circular cross-section un... | 12/10/1996 |
| 5582110 | Wheeled vehicle construction for increased speed A vehicle movable along a pair of tracks includes a drive for pivoting the vehicle body with respect to the front and rear wheel assemblies about a pivotal axis parallel to the longitudinal axis of the vehicle body. The wheels include track-engaging surfa... | 12/10/1996 |
| 5183306 | Rail vehicle wheel A rail vehicle wheel comprises a wheel center (1), a flanged tire (2), a rubber ring (3) between the wheel center and the tire, and a pressure ring (4). The rubber ring consists of an annular, axial body (3') and at each side thereof a flange (3"), which ... | 02/02/1993 |
| 5022718 | Idler wheel assembly An idler wheel assembly for supporting and guiding an endless track chain assembly of a track-type vehicle includes a spoked idler wheel having a plurality of aligned apertures through the sidewalls. A resilient plug assembly is contained within each set ... | 06/11/1991 |
| 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 |
| 4765382 | Reinforced resilient wheel A reinforced resilient wheel having a rim (4), a hub (12), a shock absorbing air space (18), formed between a channel (10), and an elastomeric member (16) with flange means (26) clamping the elastomeric member to the rim, and reinforcing means (60, 62) fo... | 08/23/1988 |
| 4635990 | Resilient wheel of a railway car A resilient wheel of a railway car includes a hub (1) with an annular projection (2) on the outer surface thereof, and a pressure disk (8), the hub and the disk being connected by bracing elements (7), and having ventilation ports (3, 9). An inner rim (4)... | 01/13/1987 |
| 4496183 | Vibration-damped wheel for rail vehicles A rail wheel has in one of its rim surfaces, preferably the inner one, a circumferential undercut groove. Vibration-damping elements are connected to the wheel by means of screws which either engage in the undercut groove via appropriately shaped heads, o... | 01/29/1985 |
| 4458966 | Earth-connector for a rubber-cushioned rail vehicle wheel A conductor provides electrical connection passing through a rubber cushioned rail vehicle wheel having rubber elements in between a central metal wheel portion and an outer flanged metal wheel tire. Thus, a length of wire has a central conductor connecti... | 07/10/1984 |
| 4420179 | Railway car wheel A wheel for rail vehicles with at least one disc which is connected to an axle, and with a wheel rim having a tread or surface surrounding the disc, while the rail tread in engagement with the rim tread results in contacting points of the wheel during str... | 12/13/1983 |
| 4392681 | Rotating body sympathetic vibration absorber In a vibration absorber for resonance vibrations of rotating bodies, in particular rail wheels, comprising several oscillatory plates which establish a damping mass; intermediate layers of damping material separating the plates from each other; a fastener... | 07/12/1983 |
| 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 |
| 4353586 | Vibration damped railway wheel A vibration absorbing track wheel having one or more different natural frequencies. The wheel body has a wheel flange with one or more resonance absorbers on the wheel flange. Each resonance absorber comprises at least two tongues and an intermediate laye... | 10/12/1982 |
| 4318564 | Railway car wheel A wheel for rail vehicles with at least one disc which is connected to an axle, and with a wheel rim having a tread or surface surrounding the disc, while the rail tread in engagement with the rim tread results in contacting points of the wheel during str... | 03/09/1982 |
| 4314725 | Ring damped composite transit wheel A transit wheel is disclosed comprising a body having a bore through the center thereof, a hub about the bore extending through a web to an outer portion, and an annular rim having a circular inside surface disposed against a circular outside surface of t... | 02/09/1982 |
| 4212491 | Resilient flanged wheel A resilient wheel is provided comprising a hub and web having a rim mated to and resiliently bonded to the web with an elastomeric adhesive. Depending on the application the outer circumference of the rim may have a flange machined into it so that it serv... | 07/15/1980 |
| 4010972 | Axles resiliently mounting wheels A wheel set for a bogie of a track vehicle in which wheels are mounted non-rotatably on an axle mounted in bearings of the bogie. Substantially wide rubber elastic inserts for springing each of the wheels, have an arched axial-radial cross-section. The he... | 03/08/1977 |
| 3988992 | High speed railway truck A truck for a high speed rail vehicle which has a friction bearing between the car body and the truck frame so as to restrain movement of the frame about its vertical axis until the friction between the friction bearing and the truck frame has been overco... | 11/02/1976 |
| 3986747 | Resiliently flanged railway wheel A rubber shock-absorbent track wheel in which annular grooves are provided on the ring of the wheel and on the rim of the wheel disc. The grooves are formed between shoulders, and a clearance space is defined between the grooves and the shoulder. Prestres... | 10/19/1976 |
| 3980333 | Resilient railway wheel A rubber-suspended railway wheel having a highly-prestressed rubber insert embedded in facing annular grooves formed in the wheel rim and in the wheel tire and wherein, in order to restrict the extent of axial movement between the wheel tire and wheel rim... | 09/14/1976 |
| 3960400 | Lightweight railway wheel A railway wheel of lightweight construction, having a disc-like wheel body and a tire which is tension-mounted on the wheel rim, and with the wheel disc including a tangential undulating or wavelike configuration of radially extending crests and troughs. ... | 06/01/1976 |
