Class 384/618 - Roller bearing

Subclass of Class 384 - Bearings
Definition: Subject matter wherein the rolling friction is from a roller
No. of patents: 38
Last issue date: 06/21/2011

Number	Title	Issue Date
7963703	Thrust roller bearing A thrust roller bearing including: a pair of races each of which has an annular plate; a cage interposed between the pair of races, formed by a single annular plate including a bent portion bent in an intermediate region in a radial direction of the cage such that a...	06/21/2011
7927022	Thrust roller bearing Even when used at a high rotation speed, outside parts in relation to the radial direction of a cage 3, of the circumferential parts of a pocket 7 are kept from being worn away by outside end surfaces 21 of rollers 2. Moreover the rollers...	04/19/2011
7594762	Thrust needle roller bearing, support structure receiving thrust load of compressor for car air-conditioner, support structure receiving thrust load of automatic transmission, support structure for continuously variable transmission, and support structure receivin A thrust needle roller bearing has a washer formed of a thin steel plate and needle rollers, at least said washer has a nitrogen enriched layer at a surface layer portion, amount of retained austenite in said surface layer portion is at least 5 volume % and at most ...	09/29/2009
7273318	Thrust needle roller bearing and method for manufacture thereof A thrust needle roller bearing and a method for manufacturing the bearing with improved lubricant circulating ability, reduced drilling abrasion of the cage, and improved durability of the bearing has a plurality of needle rollers and two annular cages. Each of the ...	09/25/2007
7134794	Thrust needle roller bearing A thrust needle roller bearing includes a plurality of needle rollers, and an annular retainer having a plurality of pockets for retaining the needle rollers. The plurality of pockets accommodate the needle rollers arranged in multiple rows shifted from each other i...	11/14/2006
7104699	Thrust bearing and method of making same A first race component includes a flat, circular raceway portion, defined about an axis, and an axially extending lip portion. A plurality of needle rollers is arranged radially with respect to the axis for rolling contact with the flat raceway. A bearing cage retai...	09/12/2006
7066655	Thrust bearing An integral type thrust bearing is proposed which can be manufactured with fewer heat treatment steps. The retainer and the inner and outer rollers not hardened are assembled together with rollers into a bearing and thereafter the assembled bearing is carburized, ha...	06/27/2006
7033083	Support structure carrying thrust load of transmission, method of manufacturing thereof and thrust needle roller bearing A support structure carries a thrust load of a transmission which includes a torque converter having an impeller and a turbine opposite to each other with a stator therebetween. A thrust needle roller bearing having needle rollers arranged in two rows is provided at...	04/25/2006
6955467	Seismic isolation bearing assembly with a frame unit for supporting a machine body thereon A seismic isolation bearing assembly includes a frame unit including upper and lower frames and defining a plurality of upper and lower sub-frames, and a plurality of bearing units, each of which is mounted in a mounting cell defined by a respective one of the upper...	10/18/2005
6932736	Toroidal continuously variable transmission In a toroidal continuously variable transmission having a plurality of power rollers interposed between input and output disks under axial preload and using a tapered roller bearing as a power roller bearing, a radial load and a thrust load acting on an inner race a...	08/23/2005
6843605	Roller thrust bearing There is provided a roller thrust bearing providing reduced differential slip, free of significant friction and wear, and providing increased longevity against flaking. The present invention provides a thrust bearing in the form of a roller thrust bearing including ...	01/18/2005
6520685	Thrust bearing with heavy-duty anti-reversal feature Rollers are aligned radially within a bearing cage, for rolling contact with a first thrust washer concentric with the bearing cage. The first thrust washer has a flat raceway portion and a curled portion that wraps around a portion of the bearing cage to...	02/18/2003
6287235	Toroidal continuously variable transmission A toroidal continuously variable transmission is provided with a power roller 8 which is gripped between input/output disks 5, 6 arranged on the same axis, a cam flange 2 which is disposed on the same axis as the input disk 5 and is connected to an input ...	09/11/2001
6224267	Translating rotating thrust bearing First and second raceways are positioned against a needle roller and cage subassembly, having needle rollers arranged in a plane along a pitch circle and retained within a cage, such that the rollers facilitate free rotation of the second raceway relative...	05/01/2001
6102580	Axial-thrust bearing with improved lubricant flow A roller cage for an axial-thrust bearing in a rotating machine has a substantially flat annular body with a first face, a second face, a radially inner surface, a radially outer surface, and a plurality of radially-arrayed substantially rectangular rolle...	08/15/2000
5918987	Thrust bearing assembly with washer Rollers are positioned between first and second thrust washers and in contact with first and second raceways. The rollers being held within a cage that is mechanically retained by axially directed lips of the thrust washers. A third thrust washer is posit...	07/06/1999
5863132	Thrust bearing and use of same with apparatus for reducing repetitive stress injury A thrust bearing for bearing a load along a force vector includes at least two roller elements in rolling contact with one another and arranged along the force vector such that the load is borne through the roller elements. The roller elements are retaine...	01/26/1999
5846000	Roller bearing and assembling method for roller bearing A roller bearing by far less costly and highly accurate compared with conventional products and having double-cone rollers as rolling elements. A plural number of track pockets are provided facing a pair of parallel bearing plates, double-cone rollers are...	12/08/1998
5676471	Dragline with improved thrust bearing assembly supporting upper structure Apparatus comprising a lower support structure having an upper surface, a circular lower rail which is mounted on the upper surface of the lower support structure and which is centered on a generally vertical axis, an upper structure having a lower surfac...	10/14/1997
5619946	Sail furling device with bearings to permit simultaneous cable and extrusion rotation A maritime sail furling mechanism furls a sail around a rotating luff extrusion from an open to a furled position in a natural fashion while functioning under load. A novel bearing assembly, including upper and lower bearing portions, accommodates static ...	04/15/1997
5474390	Thrust bearing assembly A thrust washer has a radially directed annular portion providing a first raceway and an axially directed annular flange. A subassembly comprising a plurality of rollers, in rolling contact with the raceway, retained axially and radially in a roller cage,...	12/12/1995
5322735	Roller body, method of its manufacture, and of roller or plain bearings A roller body or plain bearing component exhibits a core body (1) of ceramic material which is coated with a lapped hard layer (3) (e.g. titanium carbide, Diamond . . . )....	06/21/1994
5320434	Swing ladder bearing A thrust bearing for use in a rolling mill, having a pair of each of working rolls and stay rolls as well as a mechanism for crossing the rolls, is provided with retainers in which pockets for retaining rolling bodies are arranged in a plurality of rows. ...	06/14/1994
5205657	Thrust cage roller circle A roller circle for hoisting and excavating equipment has upper and lower spaced annular rails. A plurality of tapered rollers are disposed between the rails in rolling contact with bearing surfaces of the rails. Each of the rollers is mounted on a shaft....	04/27/1993
5160247	Thrust bearing for refrigeration compressor A hermetic compressor including a hardened cylindrical pin bearing disposed through the crankshaft permits a line contact between the crankshaft and bearing hub for a more efficient compressor. The pin bearing reduces friction while increasing compressor ...	11/03/1992
5150972	Method of increasing the off bottom load capacity of a bearing assembly A method of increasing the off bottom load capacity of a bearing assembly having an outer tubular member, an inner tubular member telescopically received within the outer tubular member, and bearings disposed between the inner tubular member and outer tub...	09/29/1992
4906113	Slew ring bearing A slew ring bearing for coupling the superstructure of a large piece of heavy equipment to the base having an inner ring attachable to the underside of the superstructure and an outer ring having gear teeth on its outer cylindrical surface concentric with...	03/06/1990
4906112	Multirow ball or roller bearing or combined ball/roller bearing A large antifriction bearing, wherein one of the inner ring parts or the outer ring parts are provided with axially extending, wide toothing. At least one or both of the inner and outer ring parts is divided into cooperating parts through the axis of the ...	03/06/1990
4883374	Thrust bearing assembly An improved thrust bearing assembly combines a thrust bearing with a thrust washer spacer which is attached to the trust bearing to provide a one-piece thrust bearing assembly. The spacer is made of plastic and has a variable predetermined axial thickness...	11/28/1989
4879567	Carriage coupling device system for pen plotter A low-friction, low-play bearing system for use in a carriage coupling drive system for a pen plotter including a moving carriage slidably mounted on a shaft between the ends of and carrying a U-shaped pen-carrying yoke in combination therewith for slidin...	11/07/1989
4878769	Center-free roller bearing A center-free rolling bearing assembly for machine tools comprising a disk-shaped outer ring, two adjacent outer raceways on the inner radial edge of the outer ring which converge conically together in an axially and radially inward direction, an inner ri...	11/07/1989
4875785	Thrust bearing with a magnetic field detector A permanently magnetized magnet associated with the bearing provides a magnetic field which is detected by a detector in the bearing. The relative rotation of one part of the bearing, such as a rotatable shaft or rotatable race, with respect to a second p...	10/24/1989
4492416	Cable wheel mounting for cable cars The wheel mounting of the present invention is designed particularly for use in cable car structures at intersecting street corners, that is, where the cable is carried around a curve. The structure comprises, briefly, a pair of normally vertically spaced...	01/08/1985
4466751	Combined bearing A combined bearing assembly comprises a thrust bearing receiving a thrust load with a number of rollers interposed between a planar inner member and a planar outer member, a radial bearing consisting of a radial receiving member secured to the inside diam...	08/21/1984
4432588	Bearing to be used for a rotating body In a thrust bearing for a rotating body, rolling bodies are journaled on a bearing body, supporting a rotation surface of the rotating body in the direction of its rotation axis. In order to reach a reliable support of the rotating body on all of the roll...	02/21/1984
4037894	Frame construction for power shovels and the like In a machine having an upper moveable frame, a frame for supporting the upper moveable frame including a rigid grid structure, an upper plate disposed on and rigidly secured to the grid structure and a pad for supporting the upper moveable frame, such sup...	07/26/1977
3999897	Pump supported by a fluid-isolated, liquid-lubricated thrust bearing The weight of the rotor of the machine is carried by a liquid lubricated thrust bearing while being guided by one or more gas lubricated centering elements. The thrust bearing is isolated from the rotor casing so that the lubricating liquid cannot contami...	12/28/1976
3985406	Cushioned roller circle A machine of the dragline, shovel, or crane type having a body rotatably mounted upon a base with a padded live roller circle interposed between the body and base to facilitate rotation of the body. The roller circle includes flat, segmental upper and low...	10/12/1976

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Class 384/618 - Roller bearing