Patents by Inventor Angelo Vignotto
Angelo Vignotto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20030016892Abstract: Sealing device (1) for a rolling contact bearing (2) presenting an annular sealing lining (5), a protective shield (6) for the lining (5) which is mounted on the outside of the lining (5) itself, and an encoder (15) which is integral to the shield (6) and which is protected by a covering element (16) arranged opposite the shield (6) in relation to the encoder (15).Type: ApplicationFiled: June 12, 2002Publication date: January 23, 2003Applicant: SKF INDUSTRIE S.p.A.Inventors: Angelo Vignotto, Pierangelo Cherio
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Publication number: 20030012475Abstract: A bearing and suspension standard assembly for a wheel of a motor vehicle comprises a standard (10) with a cylindrical seat (11) in which there is formed at least one circumferential groove (111, 112), and a bearing (12) with a stationary outer race (13) mounted in the seat (11). The outer surface of the outer race (13) has at least a cylindrical side portion of smaller diameter (133) joined to a greater diameter portion (131) by means of an inclined surface (137) facing an inclined or concave portion (117) of the groove (111, 112). An annular fastening element (21) is inserted between the smaller diameter side portion (133) and the seat (11). The annular element (21) has an end portion (213) forcedly inserted between the inclined surface (137) of the bearing and the inclined or concave facing portion (117) of the groove (111, 112) so as to oppose relative movements between the bearing and the standard in at least one axial direction.Type: ApplicationFiled: June 10, 2002Publication date: January 16, 2003Applicant: SFK INDUSTRIE S.p.A.Inventors: Angelo Vignotto, Mauro Picca
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Patent number: 6497514Abstract: Sealing device for a flanged bearing for a wheel hub in which the flanged ends (13) of the outer race (11) have the metallic rings (14) of a sealing device (15) pressed on to their internal surfaces; each metallic ring (14) incorporates a rubber element (16) which is suitable for forming a static seal on the outer race of the bearing; the rubber element (16) extends towards the inner race (10) of the bearing (12) to then bend back towards the outside of the bearing itself with an appendix (17), which forms two seals (18 and 19) on the internal surface of a second metallic ring (20); the latter is pressed on to the external surface of the inner race (10) of the bearing; a rubber element (21) is applied to the ring (20) in correspondence with its free end (22) which is axially turned towards the inside of the device; the rubber element (22) presents at least two lips (24 and 25), one of which creates a dynamic seal between the two races (10 and 11) of the bearing together with the above-mentioned lips (24 and 2Type: GrantFiled: May 23, 2001Date of Patent: December 24, 2002Assignee: SKF Industrie S.p.A.Inventors: Carlo Maldera, Angelo Vignotto
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Patent number: 6491441Abstract: A tapered roller bearing comprising an outer race, a pair of axially adjacent inner races, and two cages interposed between the inner and outer races to retain two sets of rollers. The radially outer surface of each inner race has, close to the end facing the center of the bearing, a groove able to receive a respective plurality of radially inwardly projecting portions of the parts of the cages disposed close to the center of the bearing so that the cages retain the rollers on the respective inner races during the handling and assembly steps which precede mounting of the sub-units comprising the inner race, cage and rollers into the outer race. A pair of seal devices is fixed to the outer race and interposed between the outer race and each inner race close to the outer sides of the bearing.Type: GrantFiled: March 3, 2000Date of Patent: December 10, 2002Assignee: SKF Industrie S.p.A.Inventors: Angelo Vignotto, Francesco Savarese
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Publication number: 20020158422Abstract: Static sealing element (1) for a rolling bearing (2) which is mounted on a cylindrical element (3) which presents a blocking moulding (4) which is positioned against an inner race (5) of the rolling bearing (2) itself and which is suitable for being arranged in contact with a shoulder (6) the sealing element (1) presenting a support (8) which is associated with the inner race (5) of the rolling bearing (2), and a sealing lip (9), which forms an integral part of the support (8) and which presents, in turn, a substantially conical end portion (17), which axially projects in relation to the blocking moulding (4) and which radially forks opposite the blocking moulding (4) itself.Type: ApplicationFiled: April 9, 2002Publication date: October 31, 2002Applicant: SKF INDUSTRIE S.p.A.Inventors: Andreas Ruetter, Angelo Vignotto, Claudio Savarese
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Publication number: 20020131659Abstract: Sealing device (1) for a rolling bearing (2) which is provided with an inner race (5), which is axially blocked by a blocking element (4) which is suitable for being arranged in direct contact with a feedback element (6); the sealing device presents a support element (9) which is mounted on the inner race (5), an encoder wheel (8) which is installed on the inner race (5) and which is an integral part of the support element (9) itself, and a static sealing element (10), which is also an integral part of the support element (9) and which, in turn, presents two lips (21, 22) which are substantially parallel in relation to each other and which extend opposite the support element (9), a first lip (21) of the two lips (21, 22) extends towards the feedback element (6) and comes into contact with it, and a second lip (22) of the two lips (21, 22) extends towards a frontal surface of the inner race (5) and comes into contact with it.Type: ApplicationFiled: March 4, 2002Publication date: September 19, 2002Applicant: SKF INDUSTRIE S.p.A.Inventors: Andreas Rutter, Angelo Vignotto, Claudio Savarese
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Publication number: 20020125883Abstract: Sealing device (1) with a sensor for a rolling bearing (2), in which the sealing shield (7) is mounted between two races of the rolling bearing (2), and a encoder wheel (8) is arranged inside the rolling bearing (2) between the two races and the shield (7); a detecting (9) sensor being arranged inside a housing (10) which is obtained through the shield (7) and which is also arranged with a respective detecting surface which directly faces the encoder wheel (8).Type: ApplicationFiled: March 1, 2002Publication date: September 12, 2002Applicant: SKF INDUSTRIE S.p.A.Inventors: Andreas Rutter, Claudio Savarese, Dino Bellion, Angelo Vignotto
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Publication number: 20020074736Abstract: Sealing device (1) for a rolling contact bearing (2) provided with two races (3, 4) which are coaxial to each other; the sealing device presents two inserts (5, 6) which are made of metal material and which are each coupled to a relative race, at least one sealing lip (8) which extends between the two inserts (5, 6), and a phonic wheel (9) which is supported by the more external (5) of the two said inserts (5, 6); the more external insert (5) being in its turn provided with an annular housing (19) for containing the phonic wheel (9) which is axially open towards the outside of the bearing (2) and which presents a shield (20) which is made of vulcanised rubber and which is arranged in such a way as to completely seal the said housing (19) itself.Type: ApplicationFiled: December 17, 2001Publication date: June 20, 2002Applicant: SKF INDUSTRIE S.p.A.Inventors: Angelo Vignotto, Massimo Marivo
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Publication number: 20020054722Abstract: A tapered roller bearing comprising an outer race, a pair of axially adjacent inner races, and two cages interposed between the inner and outer races to retain two sets of rollers. The radially outer surface of each inner race has, close to the end facing the center of the bearing, a groove able to receive a respective plurality of radially inwardly projecting portions of the parts of the cages disposed close to the center of the bearing so that the cages retain the rollers on the respective inner races during the handling and assembly steps which precede mounting of the sub-units comprising the inner race, cage and rollers into the outer race.Type: ApplicationFiled: March 3, 2000Publication date: May 9, 2002Applicant: MERCHANT & GOULD P.C.Inventors: Angelo Vignotto, Francesco Savarese
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Publication number: 20020001422Abstract: Sealing device for a flanged bearing and in particular for a wheel hub in which the flanged ends (13) of the outer race (11) have the metallic rings (14) of a sealing device (15) shrunk on to their internal surfaces; each metallic ring (14) incorporates a rubber element (16) which is suitable for forming a static seal on the outer race of the bearing; the rubber element (16) extends towards the inner race (10) of the bearing (12) to then bend back towards the outside of the bearing itself with an appendix (17), which forms two seals (18 and 19) on the internal surface of a second metallic ring (20); the latter is shrunk on to the external surface of the inner race (10) of the bearing; a rubber element (21) is applied to the ring (20) in correspondence with its free end (22) which is axially turned towards the inside of the device; the rubber element (22) presents at least two lips (24 and 25), one of which creates a dynamic seal between the two races (10 and 11) of the bearing together with the above-mentioneType: ApplicationFiled: May 23, 2001Publication date: January 3, 2002Inventors: Carlo Maldera, Angelo Vignotto
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Patent number: 6323640Abstract: A rolling bearing unit for the hub of a vehicle wheel has an outer rotating race (10), a radially inner stationary race (11), a sealing device (16) between the races (10, 11), and a device for measuring the rotating speed of the outer race (10). The measuring device has an encoder wheel (13) in the form of a radially oriented annular disc of magnetised plastic or rubber material.Type: GrantFiled: January 15, 1999Date of Patent: November 27, 2001Assignee: SKF Industrie S.p.A.Inventors: Daniele Forestiero, Angelo Vignotto
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Patent number: 6241395Abstract: An encoder wheel (1) for a roller bearing provided with a multipolar magnetised ring (5) presenting an axial thickness (S) which is radially variable in an inversely proportional way to a radius (R) of the ring (5) itself, and also provided with a metallic insert (6) for supporting the multipolar ring (5) itself; the metallic insert (6) presenting a curved annular wall (11), which axially delimits the multipolar ring (5), and presents a variable curvature to the variation of the thickness (S) of the multipolar ring (5).Type: GrantFiled: November 23, 1999Date of Patent: June 5, 2001Assignee: SKF Industrie S.p.A.Inventors: Angelo Vignotto, Massimo Marivo
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Patent number: 6190102Abstract: A stud comprises a head and a stem with a threaded end length and a length having an axial knurling proximate to the head and adapted to be driven with radial interference into an axial bore of a radial flange portion fast for rotation with the hub of a motor vehicle wheel. The stud comprises at least one knurled surface having an area other than zero in a projection on a plane perpendicular to the longitudinal axis of the stud. The knurled surface is adapted to co-operate with the radial flange portion for preventing rotation of the stud.Type: GrantFiled: October 29, 1999Date of Patent: February 20, 2001Assignee: SKF Industrie S.p.A.Inventors: Angelo Vignotto, Carlo Maldera
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Patent number: 6109794Abstract: A rolling contact bearing is described with a sealing device suitable to discharge the electrostatic currents which accumulate in a autovehicle; the sealing device (13, 32) has at least one sealing element (17, 37, 43) made of elastic conductive material integral with the stationary race (11) of the bearing and said sealing element engages, by sliding contact, a surface (21, 22, 40, 41, 33) integral with the rotating race (10, 35) of the bearing. The sealing element made of elastic conductive material (17, 37, 43) co-operates with the sealing device (13, 32) to form a hermetically sealed chamber (26, 24, 39, 44); said chamber contains electrically conductive grease and is placed between the outside environment and the bearing inner portions (14) which normally contain lubricant grease.Type: GrantFiled: July 16, 1998Date of Patent: August 29, 2000Assignee: SKF Industrie S.p.A.Inventors: Paolo Bertetti, Angelo Vignotto
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Patent number: 6082905Abstract: A sealing assembly for rolling bearing comprises a shield interference fitted to a first race of the bearing. The shield comprises a rigid support having an axial sleeve portion for connection to the first race, and a radial flange portion extending towards the second race of bearing. The support forms a U-fold acting as an axial stopping means for co-operating with a mating surface of the first race to axially lock the shield with respect to said first race.Type: GrantFiled: September 11, 1998Date of Patent: July 4, 2000Assignee: SKF Industrie S.p.A.Inventors: Angelo Vignotto, Carlo Maldera
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Patent number: 6027122Abstract: A sealing assembly for a rolling element bearing includes first and second screens fixed respectively to first and second rings of the bearing, with each screen including a respective rigid reinforcement and a respective elastomeric covering. The first screen includes a sleeve portion and a flange portion and also includes two sealing lips which cooperate with a sealing surface of the second screen. The first screen also has an annular projection extending from the sleeve portion that is adapted to be interposed, together with an extension of the elastomeric covering, between the front surface of the first ring of the bearing and a shoulder of the bearing itself. The second screen has a phonic wheel defined by a flange portion of the rigid reinforcement and a magnetized portion of the elastomeric covering. The elastomeric covering of the second screen has a front surface projecting beyond the front surface of the first ring.Type: GrantFiled: October 8, 1997Date of Patent: February 22, 2000Assignee: SKF Industrie S.P.A.Inventors: Paolo Bertetti, Pietro Antonio Peretti, Angelo Vignotto
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Patent number: 5975647Abstract: A wheel hub unit (1), particularly for a motor vehicle, comprises a hub (2) having a centering. sleeve portion (3) axially projecting from a radial side surface (10) of the hub and defining an inner through bore (4), an axle (5) rotatably supporting the hub (2), a wheel (6) with a radially inner annular rim (7) defining a centering bore (8) for fitting onto the hub sleeve portion (3), and a cover (9) for closing the through bore (4). The cover (9) is forcefully fitted over a radially outer surface (15) of the hub sleeve portion (3) such that a cylindrical portion (21) of the cover (9) is interposed between the annular rim (7) of the wheel (6) and the radially outer surface (15) of the hub sleeve portion (3).Type: GrantFiled: December 3, 1997Date of Patent: November 2, 1999Assignee: SKF Industrie S. p. A.Inventors: Luciano Pons, Angelo Vignotto
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Patent number: 5957590Abstract: In a sealing device for angular contact ball bearings comprises an outer race (20), a pair of inner adjacent half-races (30, 31) and two sets of balls (40, 41) interposed between the outer race (20) and the two inner half-races (30, 31), respectively. The sealing device is mounted to one (30) of the two inner half-races (30, 31) in an axially external position and comprises a body of resiliently yieldable material. The sealing device comprises a retaining lip (14) so shaped as to face a concave surface (22) fast with the outer race (20) and stop against said surface (22) to prevent the inner half-race (30) from coming off when not locked in its operation position yet.Type: GrantFiled: November 20, 1997Date of Patent: September 28, 1999Assignee: SKF Industries S.p.A.Inventors: Mauro Picca, Luciano Pons, Angelo Vignotto
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Patent number: 5927820Abstract: A hub-wheel assembly having a rolling bearing wherein the rolling bodies roll between an inner ring having a flange for connection to the wheel and to the brake disk, and an outer ring having a flange for connection to the suspension upright. The bearing has an applied element in turn having two ears for connection of the brake calipers, and which is connected peripherally to the flange of the outer ring; and the applied element and the flange of the outer ring are made angularly integral with each other by pins engaging respective holes formed partly along the edge of the applied element and partly along the mating edge of the flange of the outer ring.Type: GrantFiled: July 1, 1997Date of Patent: July 27, 1999Assignee: SKF Industrie S.p.A.Inventors: Angelo Vignotto, Domenico Ducci, Paolo Bertetti, Stefano Bertalmio
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Patent number: 5264790Abstract: A device for detecting speed in a braking system between two relatively rotatable elements, such as, the inner and outer rings of a roller bearing used to support a vehicle wheel. The device includes a first deflector mounted on one of the bearing rings having a magnetized ring member and a plurality of radially outwardly facing poles separated by non-magnetized spaces and a serrated annular member having a plurality of radially inwardly facing ribs. The device further includes a second deflector integral with a fixed ring of the bearing having at least one magnetic sensor engageable between the two bearing rings and spaced to intersect the magnetic fields to produced a plurality of signals per revolution. The signal produced by the sensor has a frequency proportional to the relative speed of the inner and outer bearing rings.Type: GrantFiled: July 1, 1991Date of Patent: November 23, 1993Assignee: SKF Industrie, S.p.A.Inventors: Roberto Moretti, Angelo Vignotto