Class 384/621 - Race and cage structure

Subclass of Class 384 - Bearings
Definition: Subject matter having detailed means for spacing rollers
No. of patents: 37
Last issue date: 05/15/2012

Number	Title	Issue Date
8177438	Double row thrust roller bearing A double row thrust roller bearing includes a pair of inner and outer cages arranged radially in two rows in separate coaxial relation, each cage including an annular inner peripheral wall, an annular outer peripheral wall, a plurality of pillar portions interconnec...	05/15/2012
7942586	Thrust needle bearing In a thrust needle bearing employing lubricating oil and having rollers held by a cage and rolling on races, the value of the arithmetic average roughness Ra of roller is 0.03 to 0.15 μm. Even when the bearing is used under the conditions where lubrication is lean ...	05/17/2011
7419036	Disc brake for vehicles having an application device with a needle bearing A disc brake for vehicles, in particular to a pneumatically actuated disc brake for utility vehicles, is provided. The disc brake includes a brake caliper and an application device for applying the brake. The application device has a first component in the form of a...	09/02/2008
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
7273319	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 ...	09/25/2007
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
6904681	Method for fabricating a driving and locking mechanism The present invention is a method for fabricating a driving and locking mechanism. The present invention provides a bearing device having a first end and a second end, where the first end has a curvilinear shape. The present invention also provides a strip of metal ...	06/14/2005
6905250	Thrust roller bearing assembly A thrust bearing assembly including a plurality of rollers having a given diameter d, a cage assembly configured to support the rollers, the cage assembly having a first radial edge that extends a given radial distance X beyond the rollers, and at least one thrust r...	06/14/2005
6712520	Cage for roller bearing A cage is made of a low carbon steel and is for use in a rolling bearing which includes an outer ring, an inner ring and a plurality of rolling elements disposed rotationally between the outer ring and the inner ring. The cage includes a plurality of pockets for ret...	03/30/2004
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
6116787	Thrust rolling bearing Two race washers (3 and 4) of a thrust rolling bearing comprise on a peripheral edge two collars (5 and 6) directed towards each other so that an annular gap (7) is formed. The rim (8) of the cage (2) is guided in this annular gap (7)....	09/12/2000
6106158	Thrust bearing and retainer used therein A thrust roller bearing assembly includes first and second raceway members (1, 2), a plurality of rolling elements (4), and a generally plate-like annular roller retainer (3) having a plurality of pockets (7) defined therein in a circumferentially extendi...	08/22/2000
6036374	Rotating guide for cam bearing cage A cam (23) provides a rotating guide surface (33) for the cage (30) of the roller elements (25, 26) of a bearing (22) used to support the load on the cam of an axial piston pump (11) that uses pistons (17, 18) having no shoes or slippers. The rotating gui...	03/14/2000
5938349	Thrust bearing A thrust bearing includes a flange formed on the outside of only a first bearing washer, a second bearing washer formed into a simple flat plate, a notch having a rectangular cross-section formed on the outside of the second bearing washer, and a leading ...	08/17/1999
5927868	Thrust bearing assembly with misassembly tab Rolling elements are positioned between two thrust washers that are retained together as an assembly. One of the thrust washers has one or more one-way assembly tabs extending radially outwardly beyond the axially extending lip of the other thrust washer ...	07/27/1999
5879086	Axial rolling bearing An axial rolling bearing with a cage (2) comprising radially directed elastic projections (7, 8) on its inner and/or outer peripheral surface, which elastic projections (7, 8) bear against the collar (6, 5) of the race discs (4, 3) under all operating con...	03/09/1999
5720689	Trunnion arrangement for a toroidal type continuously variable transmission For a toroidal type continuously variable transmission, the end portion of a radial needle bearing provided for a trunnion is protruded from the inner face of the trunnion. Also, the inner face of the trunnion is made substantially flat. Therefore, the pr...	02/24/1998
5413418	Retainer for holding relative positions of rotating members A retainer plate (70) limits axial displacement of two rotating rings (16,42) by providing a blocking surface contacted by the rings. An anti-friction bearing (82) includes radially directed tabs (88) that overlap the retainer plate and limit axial moveme...	05/09/1995
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
5110223	Shim thrust bearing apparatus The present invention comprises a spacer, especialy a spacer for use with a thrust roller bearing assembly. An internal radial lip projecting into the central aperture of the spacer provides for frictional retention on a shaft passing therethrough. Where ...	05/05/1992
5007746	Thrust bearing with resilient retention tang A thrust bearing is provided with resilient mounting tangs in the form of one or more axially and radially projecting leaf springs. Each leaf spring is shaped with a wedge-like camming surface which facilitates the insertion and centering of each tang wit...	04/16/1991
4981419	Wobble plate type refrigerant compressor having a thrust bearing assembly for a wobble plate support A thrust bearing assembly of a wobble plate type refrigerant compressor for supporting a non-rotatable inclined wobble plate on a rotatable drive element which rotates with a drive shaft, and having a inclined drive face able to convert a rotating motion ...	01/01/1991
4926730	Guide for slotting, scoring, trimming or like heads A guide for slotting, scoring, trimming, or like heads mounted in mating relationship in a slotter for scoring a cardboard blank on the fold lines and slotting, timming or the like of the blank between the various flaps so that it may be folded into a box...	05/22/1990
4909644	Bearings A bearing wherein the size of the rotatable components, i.e. balls or needle rollers, can be maximized while the cage dimensions are minimized, thus aiding overall design for a mechanical device in which the bearing is located. The bearing comprises a cag...	03/20/1990
4861171	Composite cylindrical roller bearing assembly A composite cylindrical roller bearing assembly including an inner ring having an annular projection on its outer peripheral side, an outer ring having an annular recess to receive the annular projection on its inner peripheral side, upper and lower cylin...	08/29/1989
4723852	Load compensating roller bearing construction An improved load compensating roller support for a device having upper and lower frames moveable with respect to each other and having conical shaped roller bearings, each of which is rotatably mounted on a stretchable rod whereby when a load exceeding a ...	02/09/1988
4622860	Method and apparatus for swing gear and bearing assembly for power mining shovel An improved swing gear for a power mining shovel which can be removed and replaced simply by partially separating the upper rotatable frame assembly from the lower stationary frame assembly and including upper and lower bearing rails formed of a plurality...	11/18/1986
4582436	Live roller circle for large excavators An improved live roller circle for rotatably supporting the upper frame or body of a large excavator on its lower frame or base is provided. It comprises upper and lower annular rails respectively mounted on the upper and lower frames of the machine. A pl...	04/15/1986
4501454	Method of distributing load among stacked bearings A series of axially stacked rolling bearing assemblies for transmitting axial thrust load between relative rotating cylinders, such as in a fluid powered downhole motor, is provided with the bearing races of each assembly formed from a bearing material si...	02/26/1985
4479683	Cross roller bearing The present invention discloses a spacer retainer in a cross roller bearing. More specifically, in a cross roller bearing comprising an inner race having a V-shaped groove with an angle of approximately 90 degrees formed in the outer periphery thereof, a ...	10/30/1984
4458959	Light-weight large-diameter antifriction bearing A light-weight large-diameter antifriction bearing is composed of a plurality of bearing rings each of which is in turn composed of rounded hollow profiles which together define the bearing race for the anti-friction rolling elements. Each hollow profile ...	07/10/1984
4255000	Rotary drill bit A rotary drill bit assembly comprising a trunnion and at least one rotary cutter mounted on the trunnion. The trunnion is supported by bearings including at least one radial bearing and at least one axial roller bearing. The axial bearing is comprised of ...	03/10/1981
4225200	Grease and cup retained unitized thrust bearing and method of making same A thin roller thrust bearing assembly including first and second annular races, an annular roller separator and a plurality of rolling elements is provided with a grease retained assembly, an outer banding cup or a combination thereof. In a purely grease ...	09/30/1980
4042285	Thrust bearing A thrust bearing characterized by simplicity of construction and improved life and including a pair of bearing races with a cage and rolling elements positioned between the races. Arcuately spaced lugs integrally formed on one bearing race extend in an ax...	08/16/1977
4042309	Refrigerant compressor A refrigerant compressor in a wobble type suitable for air-conditioning systems for automobiles, in which pistons are reciprocated within respective cylinders by a wobble plate member driven by a wedge-shaped rotor member which is secured on a drive shaft...	08/16/1977
3972574	Thrust rolling bearing having cylindrical rolling elements The thrust rolling bearing is to be axially supported by a radial surface of a support. The retaining means of the bearing comprise a first portion for retaining the cage and a raceway plate relative to each other and a second portion which is provided wi...	08/03/1976

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Class 384/621 - Race and cage structure