IT1206866B - Cuscinetto stagno per condizioni dilavoro eccezionalmente gravose - Google Patents

Cuscinetto stagno per condizioni dilavoro eccezionalmente gravose

Info

Publication number
IT1206866B
IT1206866B IT8767047A IT6704787A IT1206866B IT 1206866 B IT1206866 B IT 1206866B IT 8767047 A IT8767047 A IT 8767047A IT 6704787 A IT6704787 A IT 6704787A IT 1206866 B IT1206866 B IT 1206866B
Authority
IT
Italy
Prior art keywords
working conditions
waterproof bearing
serious working
exceptionally
exceptionally serious
Prior art date
Application number
IT8767047A
Other languages
English (en)
Other versions
IT8767047A0 (it
Inventor
Franco Colanzi
Angelo Vignotto
Original Assignee
Riv Officine Di Villar Perosa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11299163&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1206866(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Riv Officine Di Villar Perosa filed Critical Riv Officine Di Villar Perosa
Priority to IT8767047A priority Critical patent/IT1206866B/it
Publication of IT8767047A0 publication Critical patent/IT8767047A0/it
Priority to DE8888200021T priority patent/DE3863649D1/de
Priority to EP88200021A priority patent/EP0276877B1/en
Priority to US07/148,079 priority patent/US4792242A/en
Application granted granted Critical
Publication of IT1206866B publication Critical patent/IT1206866B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
    • F16C33/7859—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a further sealing element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7896—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members with two or more discrete sealings arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
    • F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
    • F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
    • F16J15/3264—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/80—Labyrinth sealings
    • F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Bearings (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
IT8767047A 1987-01-28 1987-01-28 Cuscinetto stagno per condizioni dilavoro eccezionalmente gravose IT1206866B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT8767047A IT1206866B (it) 1987-01-28 1987-01-28 Cuscinetto stagno per condizioni dilavoro eccezionalmente gravose
DE8888200021T DE3863649D1 (de) 1987-01-28 1988-01-08 Dichtes lager geeignet fuer aussergewoehnlich schwere betriebsbedingungen.
EP88200021A EP0276877B1 (en) 1987-01-28 1988-01-08 A tight bearing suitable for exceptionally heavy duty conditions
US07/148,079 US4792242A (en) 1987-01-28 1988-01-25 Tight bearing suitable for exceptionally heavy duty conditions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8767047A IT1206866B (it) 1987-01-28 1987-01-28 Cuscinetto stagno per condizioni dilavoro eccezionalmente gravose

Publications (2)

Publication Number Publication Date
IT8767047A0 IT8767047A0 (it) 1987-01-28
IT1206866B true IT1206866B (it) 1989-05-11

Family

ID=11299163

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8767047A IT1206866B (it) 1987-01-28 1987-01-28 Cuscinetto stagno per condizioni dilavoro eccezionalmente gravose

Country Status (4)

Country Link
US (1) US4792242A (it)
EP (1) EP0276877B1 (it)
DE (1) DE3863649D1 (it)
IT (1) IT1206866B (it)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024449A (en) * 1985-12-19 1991-06-18 The Timken Company Seal assembly for use with an overhang
US4852890A (en) * 1988-02-03 1989-08-01 Garlock Inc. Rotary shaft bearing isolator seal
JP2523722Y2 (ja) * 1988-04-28 1997-01-29 光洋精工株式会社 密封軸受
DE3820062A1 (de) * 1988-06-13 1989-12-21 Klein Schanzlin & Becker Ag Stroemungsmaschine
US5022659A (en) * 1988-12-27 1991-06-11 The Timken Company Seal assembly for antifriction bearings
FR2644544B1 (fr) * 1989-03-14 1991-12-20 Roulements Soc Nouvelle Garniture d'etancheite entre deux pieces coaxiales
US5024450A (en) * 1989-12-05 1991-06-18 Rexnord Corporation Seal cartridge assembly
US5104202A (en) * 1990-07-05 1992-04-14 Branch Frederick H Wheel bearing lubrication apparatus and method of lubricating a wheel bearing
DE4128179A1 (de) * 1991-08-24 1993-02-25 Skf Gmbh Abdichtung fuer lagerbuechsen, insbesondere fuer kreuzgelenke
US5207436A (en) * 1992-07-13 1993-05-04 General Motors Corporation Low friction unitized seal
US5419642A (en) * 1994-03-31 1995-05-30 The Torrington Company Sealing structure for a bearing
US5695290A (en) * 1995-06-20 1997-12-09 The Torrington Company Antifriction bearing with seal arrangement
IT1280443B1 (it) * 1995-07-21 1998-01-20 Skf Ind Spa Dispositivo di tenuta per cuscinetti
US5580176A (en) * 1995-09-01 1996-12-03 Federal-Mogul Corporation Sealing assembly for clutch release bearing
IT1281364B1 (it) * 1995-09-26 1998-02-18 Rft Spa Anello di tenuta e protezione perfezionato per un cuscinetto a rotolamento.
JPH09196072A (ja) * 1996-01-19 1997-07-29 Nippon Seiko Kk シール装置付転がり軸受
JPH09196071A (ja) * 1996-01-22 1997-07-29 Nippon Seiko Kk シール装置付転がり軸受
US5908248A (en) * 1996-05-31 1999-06-01 Reliance Electric Industrial Company Shaft bearing having improved seal arrangement
IT1288742B1 (it) * 1996-10-08 1998-09-24 Skf Ind Spa Complesso di tenuta per un cuscinetto di rotolamento.
US5908249A (en) * 1997-06-13 1999-06-01 Reliance Electric Industrial Company Bearing assembly having compact and efficient seal arrangement
JPH11257360A (ja) * 1998-01-07 1999-09-21 Nippon Seiko Kk シールリング付転がり軸受及び自動車用変速機
US6325379B1 (en) 1998-11-06 2001-12-04 Reliance Electric Technologies, Llc Shaft assembly having improved seal
US6486445B1 (en) * 1999-11-04 2002-11-26 Gordon M. Pendergraft Vacuum cast ceramic fiber insulated band having heating and cooling elements
WO2001053713A1 (en) * 2000-01-18 2001-07-26 Ami Bearings, Inc. Bearing seal assembly
DE10061995A1 (de) * 2000-12-13 2002-06-20 Ina Schaeffler Kg Abdichtung für ein Wälzlager
DE10135176C1 (de) * 2001-07-19 2003-04-10 Skf Ab In ein Wälzlager integrierte Dichtung und Verwendung einer solchen Dichtung
GB2393765A (en) * 2002-10-01 2004-04-07 Nsk Steering Sys Europ Ltd Composite bearing seal for a steering column universal joint
US20040175065A1 (en) * 2003-03-07 2004-09-09 Minebea Co., Ltd. Ball bearing assembly utilizing a labyrinth seal
US7258491B2 (en) * 2005-06-07 2007-08-21 Deere & Company Bearing seal assembly for agricultural applications
US7637665B2 (en) * 2006-06-30 2009-12-29 Emerson Power Transmission Corporation Bearing assembly and resilient seal element
US8333515B2 (en) * 2006-06-30 2012-12-18 Emerson Power Transmission Corporation External bearing shroud
US7422373B2 (en) * 2006-08-22 2008-09-09 Emerson Power Transmission Manufacturing Spherical roller bearing sealing assembly
US8342535B2 (en) * 2007-11-20 2013-01-01 The Timken Company Non-contact labyrinth seal assembly and method of construction thereof
US8991829B2 (en) 2007-11-20 2015-03-31 The Timken Company Non-contact labyrinth seal assembly and method of construction thereof
US8061901B2 (en) * 2008-08-22 2011-11-22 Baldor Electric Company Extension member for a flinger of a bearing
US9157475B2 (en) * 2009-07-08 2015-10-13 Peer Bearing Company Self-aligning maintenance free bearing unit for agricultural applications
DE102009033350A1 (de) * 2009-07-16 2011-01-20 Schaeffler Technologies Gmbh & Co. Kg Dichtung mit kombinierter Dichtscheibe für eine Bandspannrolle
DE102009035110A1 (de) * 2009-07-29 2011-02-03 Schaeffler Technologies Gmbh & Co. Kg Dichtungsanordnung für eine Radlagerung eines Kraftfahrzeuges
US8864385B2 (en) 2010-04-02 2014-10-21 Aktiebolaget Skf Rolling bearing comprising a sealing gasket and an annular shield
CN104912942A (zh) * 2010-04-02 2015-09-16 Skf公司 具有密封垫片和环形护罩的滚动轴承
US8864139B2 (en) 2013-03-04 2014-10-21 Federal-Mogul Corporation Non-contact labyrinth seal assembly
ITTO20130980A1 (it) * 2013-11-29 2015-05-30 Skf Ab Complesso di tenuta a basso attrito, sistema di accoppiamento con un anello di cuscinetto ed unita¿ mozzo ruota equipaggiata con tale complesso di tenuta
EP2995829B1 (en) * 2014-09-12 2017-09-13 Aktiebolaget SKF Sealing device for a rolling bearing
FR3029995B1 (fr) * 2014-12-15 2017-06-09 Skf Ab Palier a roulement comprenant un flasque d'etancheite
US10323541B2 (en) 2017-03-15 2019-06-18 General Electric Company Bearing outer race retention during high load events
US10746228B2 (en) 2017-10-23 2020-08-18 Amsted Rail Company, Inc. Temperature-robust polymer shroud for roller bearing seal

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2036386A6 (it) * 1969-03-12 1970-12-24 Roulements Soc Nouvelle
US3994545A (en) * 1975-12-23 1976-11-30 Textron, Inc. Bearing and seal construction
DE8032122U1 (de) * 1980-12-03 1981-03-26 FAG Kugelfischer Georg Schäfer KGaA, 97421 Schweinfurt Kombinierte Dichtung
FR2505951A1 (fr) * 1981-05-13 1982-11-19 Roulements Soc Nouvelle Joint d'etancheite tournant entre pieces coaxiales a armature metallique de montage
JPS59164457A (ja) * 1983-02-12 1984-09-17 Nippon Seiko Kk 密封装置組立体
US4516783B1 (en) * 1983-02-12 1994-08-02 Nippon Seiko Kk Seal assembly with radially overlapping seal
GB2151718B (en) * 1983-12-21 1987-03-25 Skf Svenska Kullagerfab Ab Bearing and seal assembly
DE3505464C2 (de) * 1985-02-16 1986-12-11 Fa. Carl Freudenberg, 6940 Weinheim Kassettendichtung für Wellen
IT8553275V0 (it) * 1985-04-19 1985-04-19 Riv Officine Di Villar Perosa Complesso di tenuta in due elementi di tipo perfezionato
IT8553276V0 (it) * 1985-04-19 1985-04-19 Riv Officine Di Villar Perosa Complesso di tenuta a doppio schermo stagno

Also Published As

Publication number Publication date
US4792242A (en) 1988-12-20
EP0276877A3 (en) 1989-03-15
IT8767047A0 (it) 1987-01-28
EP0276877A2 (en) 1988-08-03
EP0276877B1 (en) 1991-07-17
DE3863649D1 (de) 1991-08-22

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990128