Class 384/491 - Ball structure

Subclass of Class 384 - Bearings
Definition: Subject matter wherein structure other than sphericity,
No. of patents: 35
Last issue date: 10/13/2009

Number	Title	Issue Date
7600922	Ball roller rolling member The present invention provides a ball roller rolling member which can take crossing arrangement, conveyance including alignment and separation can be easily automated, lateral both sides of a rolling curved portion can be easily discriminated and the rolling curved ...	10/13/2009
7275319	Rolling element bearing having starved lubrication conditions A rolling element bearing comprises an inner ring and an outer ring which are each provided with a raceway, and a series of rolling elements which are in contact with the raceways of each ring. A lubricant film is provided in the contacts between the rolling element...	10/02/2007
7267487	Bearing unit for wheel There is disclosed a bearing unit (5, 5a) for a wheel comprising a stationary race (6) having stationary race track surfaces (11a, 11b) on a peripheral surface on the stationary side thereof to be supported and fixed ...	09/11/2007
7264399	Rolling element bearing having starved lubrication conditions A rolling element bearing comprises an inner ring and an outer ring which are each provided with a raceway, and a series of rolling elements which are in contact with the raceways of each ring. A lubricant film is provided in the contacts between the rolling element...	09/04/2007
7174803	Steering shaft for motor vehicles A steering shaft for motor vehicles which comprises an inner and an outer shaft part. Each shaft part has a polygonal cross section. The shaft parts engage one another in telescoping fashion and are positively connected to one another by barrel-shaped rolls that are...	02/13/2007
7146734	Rolling elements for rolling bearing, method of producing the same, and rolling bearing A method of producing rolling elements for a rolling bearing comprises mixing to process rounded elements made of steel balls and spherical rolling elements having outer diameter portion portion becoming a rolling contact face. The rolling contact face has curvature...	12/12/2006
7008113	Roller bearing in a deep-drilling apparatus A ball-bearing unit for a bearing of a deep-drilling apparatus having bearing races made from steel with balls disposed therebetween. Contaminated drilling medium passes into the space between the bearing races. Load-bearing balls made from ceramic alternate with se...	03/07/2006
6948850	Bearing assembly The invention provides a bearing assembly (3, 4) including a plurality of rolling bearing elements (5). At least one of the elements is a first type element, with the remainder of the elements being second type elements. The ratio of the number of the ...	09/27/2005
6896414	Ball roller The ball roller according to the present invention has a unique shape so that it can be handled just as easily as a conventional ball while being endurable against high load as is a roller. The ball roller comprises a rolling portion having an arcuate surface, and t...	05/24/2005
6663290	Grooved bearing ball and rolling element A bearing with shallow grooves on the surface of the rolling element. In addition, pockets of lubricant are carried in its own internal structure via a network of through-holes crossing at its center which release lubricant to the grooves and surface of t...	12/16/2003
6655845	Bearings, races and components thereof having diamond and other superhard surfaces Diamond bearings and bearing components are disclosed. Some embodiments of the bearings and bearing components include polycrystalline diamond compacts sintered under high pressure and high temperature to create a diamond table chemically and mechanically...	12/02/2003
6644138	Variable speed gear transmission An idler gear (7) is mounted in a variable speed gear transmission (1) on a rolling bearing crown ring (10) whose first and second rolling elements (12, 20) are guided in a cage (11) and have different diameters. The first and second rolling elements (12,...	11/11/2003
6524009	Rolling bearing A rolling bearing in which the attainment of excellent current-carrying capability is compatible with cost reduction. The rolling bearing comprises an inner ring, an outer ring, and a plurality of rolling elements arranged between the inner and outer ring...	02/25/2003
6450692	Rolling device An arrangement in which respective roughnesses are defined for orbital grooves of inner and outer rings and a surface of rolling members which are constituents of a rolling bearing and in which their conditions of contact are controlled whereupon a minimu...	09/17/2002
6398417	Rolling member A rolling member is utilized for such as a rolling bearing and the rolling members are disposed to be rollable between members which are relatively movable with respect to each other. The rolling member is provided with a rolling portion contacting the mo...	06/04/2002
6149311	Rolling element bearing having at least one rolling element which is harder than the other rolling elements and harder than the races A rolling element bearing having inner and outer rings and a plurality of rolling elements where one, two or at least one but not all of the rolling elements of the plurality of rolling elements is harder than the other of the plurality of rolling element...	11/21/2000
5971620	Rolling element bearing comprising a zirconium material A rolling element bearing comprises an outer ring and an inner ring which enclose a bearing space containing rolling elements which are in rolling contact with the raceways of both rings. At least the contact surface layer of one of the rings and/or rolli...	10/26/1999
5967670	Rolling element bearing having at least one rolling element having a hardness greater than the hardness of the other rolling elements A rolling element bearing includes an outer ring and an inner ring which enclose a bearing space containing rolling elements. The rings are made of steel. At least one of the rolling elements comprises, at least partially as a zirconium material which is ...	10/19/1999
5685390	Electrically-operated power steering apparatus An electrically-operated power steering apparatus comprises a steering shaft, a rack shaft capable of linear movement for turning a steering running wheel a, rack-pinion gear for coupling the steering shaft with the rack shaft, and a ball screw mechanism ...	11/11/1997
5687016	Light beam deflecting device In a light beam deflecting device for deflecting a laser beam by using a rotary polygon mirror, the rotary shaft of the rotary polygon mirror is rotatably supported by a plurality of ball bearings which, when turned, vibrate at different frequencies, thus...	11/11/1997
5642947	Balls for ball bearing The object is to prolong the life of a ball bearing by improving its ability to form oil films. A multitude of needle-like microscopic recesses are formed in a dispersed manner at random in the surface of each ball for a ball bearing. The recesses have a ...	07/01/1997
5639168	Ball bearing for supporting a spindle rotating at high speed A ball bearing for supporting a spindle rotating at high speed is provided with at least one member of an inner race and a shaft having an inner raceway in an outer peripheral surface thereof, an outer race having an outer raceway in an inner peripheral s...	06/17/1997
5603576	Method for manufacturing balls for bearing and products thereby A method of manufacturing steel balls for use in a ball bearing comprising an inner steel race or shaft with an inner raceway formed around its outer peripheral surface, an outer steel race with an outer raceway formed around its inner peripheral surface,...	02/18/1997
5567508	Rolling bearing with surface hardened layer One of components of a rolling bearing which includes an inner race, an outer race and a plurality of rolling elements is carburized or a carbonitrided to form a surface hardened layer, and the depth of the hardened layer is 0.025 to 0.045 times the avera...	10/22/1996
5498086	Oil film-deposit bearing This invention relates to an oil film-deposit bearing, the oil film-deposit bearing being composed of an outer ring, an inner ring and a plurality of rolling means, the inner circumference of the outer ring and the inner ring having respectively an arc gr...	03/12/1996
5463490	Light beam deflecting device In a light beam deflecting device for deflecting a laser beam by using a rotary polygon mirror, the rotary shaft of the rotary polygon mirror is rotatably supported by a plurality of ball bearings which, when turned, vibrate at different frequencies, thus...	10/31/1995
5456008	Process for hard-coating a ball This invention relates to a process for hard-coating a ball, consisting in: hollowing in the outer surface of the ball a depression whose periphery lies at a certain distance from the two polar faces of the ball in order that it is bordered by elevated zones; ...	10/10/1995
5443317	Rolling bearing having balls of different diameters A rolling bearing in which the outer diameter of a first rolling element is different from that of a second rolling element. During the operation of the rolling bearing, the speeds of revolution of the first and second rolling elements are different from ...	08/22/1995
5284394	Ball and roller bearings and bearing components Improved structures in bearings operable to receive and support shafts or members which are supported for rotation on shafts or pins are disclosed. In one form, just the inner cylindrical surface of a solid bearing made of metal or hard ceramic material i...	02/08/1994
4916751	Rolling bearing At least one of the contacting surfaces of an outer ring, an inner ring and surfaces of rolling elements of a rolling bearing are formed with a plurality of groove-shaped recess portions having a depth of 0.0005 to 0.008 mm, and with smooth surface portio...	04/10/1990
4893387	Roller elements for roller bearing A roller element for use in a roller bearing having a surface formed with minute recesses at random so that the ratio RMS(L)/RMS(C) will be not more than 0.8 wherein RMS(L) is the roughness mean square value in the longitudinal direction and RMS(C) is the...	01/16/1990
4741632	Constant torque ball bearing A ball structure for stabilizing bearing torque in high speed, preloaded, angular contact load supporting ball bearings operating on elastohydrodynamic lubricant films. Angular momentum developed about a ball spin axis that is not parallel to the bearing ...	05/03/1988
4696581	Rolling bearing An improved rolling bearing is proposed which has a longer life under heavy load and under lubrication with oil containing foreign matters. Its bearing rings and rolling elements are made of carburized steel having an oxygen content of 15 PPM or less and ...	09/29/1987
4655420	Low height fin control actuator A missile fin control actuator includes a housing having a hollow cavity within which is mounted a single bearing. On the inner race of the bearing, a lower cap attaches the base of a fin mounting shaft or integral fin for rotation with the inner race. Th...	04/07/1987
4317600	Self-lubricated, high-temperature bearing A new type of self-lubricated bearing ball or roll has a microstructure. This microstructure consists of uniformly shaped and equal-sized elongated grains all aligned normally of the bearing surface, to achieve uniform chemical composition and physical an...	03/02/1982

PatentStorm

Bizarre Patents

PatentStorm News

Class 384/491 - Ball structure