Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8172462 | Rolling bearing and rolling bearing assembly There is provided a rolling bearing including an inner ring having an inner ring raceway surface, an outer ring having an outer ring raceway surface and a shoulder portion formed on one axial side of the outer ring raceway surface, a plurality of rolling elements wh... | 05/08/2012 |
| 8123412 | Vacuum pump with a bearing cage having a threaded groove A vacuum pump includes a high-speed rotor, and an anti-friction bearing for rotatably supporting the rotor and including an inner ring, an outer ring, a rolling body, and a cage for the rolling body both the rolling body and the cage being located in an intermediate... | 02/28/2012 |
| 7938583 | Rolling bearing A rolling bearing made of stainless steel for use in conditions where hydrofluoric acid or fluorine grease is present can prevent boundary lubrication due to the invasion of metal corrosion powder into rolling surface of the bearing, and thus prevent the rapid advan... | 05/10/2011 |
| 7918607 | Conical roller bearing comprising a filter cage A roller bearing includes a plurality of conical roller bodies arranged between inner and outer rings, and a cage having an annular sectional body mounted between the inner and outer rings. The annular sectional body further having an annular oil thrower located on ... | 04/05/2011 |
| 7909513 | Rolling bearing device A groove is formed on one end face side of a cage including a plurality of pockets for holding individually rolling elements which extends circumferentially along a full circumference of the cage about a rotational center thereof and has a bottom portion which commu... | 03/22/2011 |
| 7789569 | Rolling bearing and cage for rolling bearing A cage includes a cage body in an annular shape which is formed with a plurality of pockets for receiving rolling elements, an oil containing member in an annular shape which is attached to an inner peripheral surface of the cage body and formed of material capable ... | 09/07/2010 |
| 7771122 | Cage for rolling bearing and rolling bearing having the same A concave surface 60 is formed in an outer peripheral surface of each of pillar portions 26 of a cage 40. A plurality of recesses 42, 43, 52 and 53 are formed in outer peripheral surfaces of annular portions 24 and 25... | 08/10/2010 |
| 7618192 | Ball bearing The invention relates to a ball bearing with an inner race (2) and an outer race (1) disposed coaxially with respect to it, wherein between inner race (2) and outer race (1) bearing balls (6) are disposed which are guided by means ... | 11/17/2009 |
| 7597481 | Sealed four-row ball bearing for support and working roller bearing on roller stands The invention relates to a sealing roller bearing, in particular, a ball bearing for support and working roller bearings on roller stands, comprising an axially multi-part outer bearing ring and an axially multipart inner bearing ring and a number of rolling bodies ... | 10/06/2009 |
| 7416345 | Shaft bearing retainer A retainer for holding bearings within a shaft bearing has C-shaped pockets for holding the bearings. Between the pockets are connecting portions, which are close to the openings of the pockets. The rear sides of adjacent pockets and the rear side of the connecting ... | 08/26/2008 |
| 7380990 | Bearing, bearing mechanism, and plunger pump A bearing comprises a cage which is provided on a circumference of a rotary shaft to hold elements rotating in an oil. A guide unit is provided on the cage to feed the oil in an axial direction or a radial direction of the rotary shaft. ... | 06/03/2008 |
| 7364365 | Conrad bearing cage The present invention provides a method and apparatus for retaining bearing balls in a bearing assembly. For example, a cage assembly may comprise an annular cage having a plurality of pockets in which to snap-in bearing balls via openings having a width less than t... | 04/29/2008 |
| 7320550 | Tapered roller bearing A tapered roller bearing includes an outer race, an inner race, a plurality of tapered rollers, and a cage. A small-diameter end portion of the inner race is formed with a small flange portion for limiting axial movement of the tapered rollers and a cylindrical port... | 01/22/2008 |
| 7258036 | Bi-directional electric motor with endplay structure An endplay structure is provided for controlling endplay of a shaft 25 of a motor 19. The endplay structure includes a body 22 including a generally elliptically shaped recess 26 therein. The recess is constructed and arranged to be dispo... | 08/21/2007 |
| 7234872 | Rolling Bearing A rolling bearing includes a plurality of rolling elements movably retained at almost the same interval between an inner ring and an outer ring with a cage made of synthetic resin provided interposed therebetween. The rolling bearing further includes, an oil film ma... | 06/26/2007 |
| 7234873 | Rolling-contact bearing containing solid lubricant therein A cage, rollers and solid lubricant are all formed integrally into a complete unitary molding with using difference in thermal expansion in a mold. Assembling the complete unitary molding into the race in the rolling-contact bearing is made easier. The complete unit... | 06/26/2007 |
| 7178986 | Rolling bearing In a rolling bearing including a cage arranged in an annular space between an outer ring and an inner ring, a plurality of rolling elements held by the cage, and a solid lubricating agent provided in the cage, the cage has a plurality of rolling element receiving po... | 02/20/2007 |
| 7175351 | Tapered roller bearing A tapered roller bearing comprises an outer race, an inner race, a plurality of tapered rollers, and a cage. A small-diameter end portion of the inner race is formed with a small flange portion for limiting axial movement of the tapered rollers and a cylindrical por... | 02/13/2007 |
| 7144162 | High speed rolling element bearing anti-cavitation cage A rolling element bearing anti-cavitation cage is a circular ring with a plurality of cage pockets at predetermined intervals along a circumference of the circular ring. Each of the cage pockets has at least one groove on the leading edge of the cage pocket and at l... | 12/05/2006 |
| 7132155 | RBC or CRBC fine powder dispersing foam-molded synthetic resin material, method for preparing same and uses thereof A foam-molded synthetic resin material in which a RBC or CRBC fine powder and bubbles are homogeneously dispersed. There is provided an electrically conductive molded resin material of sufficient porosity by using a fine powder of RB ceramics (RBC) or CRB ceramics (... | 11/07/2006 |
| 7114852 | Cage with storage space for a lubricant A cage with storage space for a lubricant, particularly for roller bearings operating in a depressurized environment, including at least one storage space containing a lubricant between two chambers of rotating elements. The storage space includes at least one rough... | 10/03/2006 |
| 7104919 | Toroidal-type continuously variable transmission A toroidal-type continuously variable transmission, has: first and second disks; a plurality of trunnions; a plurality of displacement shafts respectively supported on associated trunnions; a plurality of power rollers respectively interposed between the first and s... | 09/12/2006 |
| 7101088 | Cylindrical roller bearing A cage of a cylindrical roller bearing includes an annular section, a plurality of pillars that extend axially in an integrated, continuous manner from the inside surface of the annular section, and a plurality of pockets, which are formed between the inner circumfe... | 09/05/2006 |
| 7059776 | Synthetic resin retainer and angular ball bearing An angular ball bearing is provided which can suppress runout of a retainer during high-speed rotation. A retainer of a synthetic resin is mounted between an outer ring and an inner ring, and balls are housed in pockets formed in the retainer. The pockets are cylind... | 06/13/2006 |
| 7056247 | Pulley unit A pulley unit includes a pulley and a rotor concentrically disposed for relative rotation, a one-way clutch interposed in an annular space therebetween, rolling bearings provided on opposite sides of the one-way clutch, and a seal ring for sealing the annular space.... | 06/06/2006 |
| 7036989 | Roller bearing oil feed device A roller bearing oil feed device includes a plurality of rolling elements arranged in a plurality of rows in the axial direction between an outer ring and an inner ring, the inner ring being divided for each row of the rolling elements and a ring-shaped spacer being... | 05/02/2006 |
| 7029181 | Rolling bearing and fan motor using the same A rolling bearing lubricated with a grease includes an outer ring, an inner ring, a plurality of rolling elements disposed between respective rolling raceway tracks of the outer ring and the inner ring, and a retainer having a plurality of pockets for locking the ro... | 04/18/2006 |
| 7008115 | Polymeric lubricant packed bearing and method of producing the same A film composed of grease, or a film composed of a thickener for grease, is formed on a portion of the surface of each of components constituting a bearing, the portion being opposed to a polymeric lubricant, whereby sliding frictional resistance between the bearing... | 03/07/2006 |
| 6986606 | Ball bearing and lubricating method thereof The churning type of grease of a viscosity of 15–20 mm2/s and a worked penetration of 200˜230 is disposed at the rolling surface of the race portions and the channeling type of grease of 25˜35 mm2/s and a worked penetration of 240˜270 is d... | 01/17/2006 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 6922897 | Ball cage Ball cage for homokinetic joints, formed from a blank that is configured as a substantially annular spherical segment, the ball cage includes: window-type ball pockets located along an equator with substantially equator-parallel bearing surfaces that interact with j... | 08/02/2005 |
| 6890105 | Radial ball bearing retainer A deep channel type of radial ball bearing having a retainer. The bearing has an outer ring and an inner ring. Running channels are formed on the mutually opposing orbiting surfaces of the outer ring and inner ring. A specified number of balls are fit into the runni... | 05/10/2005 |
| 6869222 | Rolling bearing A full complement angular ball bearing with no cage and having a contact angle from 10 to 45° and an increased number of balls for use under severe conditions. The life is extended by defining the surface roughness of the inner ring and the outer ring, defining the... | 03/22/2005 |
| 6799896 | Separator grease retention and feed system for wheel spindle bearings A separator for a bearing comprising a frame including a plurality of cavities for receiving rolling elements and further including a lubrication channel in fluid communication with at least one of the plurality of cavities. This separator may be a component of a be... | 10/05/2004 |
| 6800046 | Toroidal-type continuously variable transmission In the inner and outer surfaces of the retainer 34b, there are formed recessed grooves 40a, 40a which serve as lubricating oil flow passages for allowing lubricating oil to flow into pockets. Where the axial-direction depth ... | 10/05/2004 |
| 6783279 | Angular contact ball-bearing cage with lubricant pockets A window-type cage for an angular contact ball bearing. Lubricant pockets are provided in the spherical pocket surfaces which are provided for guiding the balls. These lubricant pockets are all arranged in regions which lie outside the bearing points between the bal... | 08/31/2004 |
| 6776532 | Roller bearing with a retainer having voids for containing grease A needle roller bearing includes a plurality of needle rollers that each have first and second end portions and that are disposed circumferentially around a shaft, a cylindrical first retainer member having a plurality of first notches each respectively adapted to r... | 08/17/2004 |
| 6619850 | Thrust bearing roller retainer assembly A roller retainer assembly for an axial-thrust bearing comprising first and second annular retainer plates. At least one roller pocket extends through each annular plate. The first second annular retainer plates are interconnected such that the at least o... | 09/16/2003 |
| 6595501 | Cone and ball bearing vibration damper A damper for isolation of vibration includes: three ball bearings; a bearing support member having a sloping top side portion adapted to gently maintain the three ball bearings in spaced position when rollingly carried thereon; and, an equipment support m... | 07/22/2003 |
| 6568857 | Thrust bearing assembly A bearing assembly includes a first race with an axially extending section and a radially extending section, a second race with an axially extending section and a radially extending section, a cage supported between the first and second races, and a plura... | 05/27/2003 |
