ITRM20010725A1 - Vite a circolazione di sfere a lunga durata e ridotta rumorosita'. - Google Patents
Vite a circolazione di sfere a lunga durata e ridotta rumorosita'.Info
- Publication number
- ITRM20010725A1 ITRM20010725A1 IT2001RM000725A ITRM20010725A ITRM20010725A1 IT RM20010725 A1 ITRM20010725 A1 IT RM20010725A1 IT 2001RM000725 A IT2001RM000725 A IT 2001RM000725A IT RM20010725 A ITRM20010725 A IT RM20010725A IT RM20010725 A1 ITRM20010725 A1 IT RM20010725A1
- Authority
- IT
- Italy
- Prior art keywords
- long life
- reduced noise
- ball circulation
- circulation screw
- noise ball
- Prior art date
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
- F16C33/30—Parts of ball or roller bearings
- F16C33/37—Loose spacing bodies
- F16C33/3713—Loose spacing bodies with other rolling elements serving as spacing bodies, e.g. the spacing bodies are in rolling contact with the load carrying rolling elements
-
- 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
- F16C19/20—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows with loose spacing bodies, e.g. balls, between the bearing 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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
- F16H25/2233—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with cages or means to hold the balls in position
- F16H25/2238—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with cages or means to hold the balls in position using ball spacers, i.e. spacers separating the balls, e.g. by forming a chain supporting the balls
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
- Y10T74/19698—Spiral
- Y10T74/19702—Screw and nut
- Y10T74/19744—Rolling element engaging thread
- Y10T74/19749—Recirculating rolling elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
- Y10T74/19698—Spiral
- Y10T74/19702—Screw and nut
- Y10T74/19744—Rolling element engaging thread
- Y10T74/19749—Recirculating rolling elements
- Y10T74/19777—Interconnected or cooperating rollers or roller structure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Rolling Contact Bearings (AREA)
- Refuse Collection And Transfer (AREA)
- Flexible Shafts (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2001RM000725A ITRM20010725A1 (it) | 2001-12-11 | 2001-12-11 | Vite a circolazione di sfere a lunga durata e ridotta rumorosita'. |
ES02425645T ES2241982T3 (es) | 2001-12-11 | 2002-10-25 | Tornillo con bolas circulantes de larga duracion y bajo nivel de ruido. |
EP02425645A EP1319869B1 (en) | 2001-12-11 | 2002-10-25 | Ball screw drive with long duration and reduced noisiness |
DE60203984T DE60203984T2 (de) | 2001-12-11 | 2002-10-25 | Kugelgewindetrieb mit hoher Lebendsdauer und reduziertem Geräusch |
AT02425645T ATE294938T1 (de) | 2001-12-11 | 2002-10-25 | Kugelgewindetrieb mit hoher lebendsdauer und reduziertem geräusch |
US10/283,053 US20030106386A1 (en) | 2001-12-11 | 2002-10-30 | Ball screw with long duration and reduced noisiness |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2001RM000725A ITRM20010725A1 (it) | 2001-12-11 | 2001-12-11 | Vite a circolazione di sfere a lunga durata e ridotta rumorosita'. |
Publications (1)
Publication Number | Publication Date |
---|---|
ITRM20010725A1 true ITRM20010725A1 (it) | 2003-06-11 |
Family
ID=11455914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2001RM000725A ITRM20010725A1 (it) | 2001-12-11 | 2001-12-11 | Vite a circolazione di sfere a lunga durata e ridotta rumorosita'. |
Country Status (6)
Country | Link |
---|---|
US (1) | US20030106386A1 (it) |
EP (1) | EP1319869B1 (it) |
AT (1) | ATE294938T1 (it) |
DE (1) | DE60203984T2 (it) |
ES (1) | ES2241982T3 (it) |
IT (1) | ITRM20010725A1 (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003156116A (ja) * | 2001-11-19 | 2003-05-30 | Ntn Corp | ボールねじ、およびそれを備えたベルト式無段変速装置 |
FR2859515B1 (fr) * | 2003-09-08 | 2006-12-15 | Usifroid | Palier a usure reduite |
FR2859514B1 (fr) * | 2003-09-08 | 2006-12-08 | Usifroid | Palier a usure reduite |
JP2005344782A (ja) * | 2004-06-01 | 2005-12-15 | Ntn Corp | ボールねじ |
JP2006009836A (ja) * | 2004-06-22 | 2006-01-12 | Nsk Ltd | ボールねじ装置 |
US7640820B1 (en) * | 2004-11-10 | 2010-01-05 | Danaher Motion, Inc. | Ball screw assembly and spacer elements therefor |
JP5087926B2 (ja) * | 2005-01-07 | 2012-12-05 | 日本精工株式会社 | ボールねじ装置 |
DE102007003057A1 (de) * | 2007-01-20 | 2008-07-24 | Schaeffler Kg | Kugelgewindetrieb |
US9518672B2 (en) | 2010-06-21 | 2016-12-13 | Cameron International Corporation | Electronically actuated gate valve |
JP2017109624A (ja) * | 2015-12-17 | 2017-06-22 | 日立オートモティブシステムズ株式会社 | パワーステアリング装置 |
US10507865B2 (en) * | 2016-03-09 | 2019-12-17 | Jtekt Corporation | Steering apparatus |
EP3330144B1 (en) * | 2016-12-02 | 2021-07-14 | Ratier-Figeac SAS | Screw pump |
DE102020118230A1 (de) * | 2020-07-10 | 2022-01-13 | Schaeffler Technologies AG & Co. KG | Kugelgewindetrieb und Verfahren zum Betrieb eines Kugelgewindetriebs |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5440209A (en) * | 1977-09-07 | 1979-03-29 | Nippon Dia Clevite Co | Method of producing porous body of aluminum and alloys thereof |
JPH0788853B2 (ja) * | 1990-07-16 | 1995-09-27 | 株式会社安川電機 | ころがり軸受 |
US5377552A (en) * | 1991-04-05 | 1995-01-03 | Kley; Victor B. | Linear bearing assembly with load compensating ball bearing array |
DE4235842C2 (de) * | 1992-10-23 | 1999-08-19 | Kugelfischer G Schaefer & Co | Kugelgewindetrieb |
US6023991A (en) * | 1993-06-21 | 2000-02-15 | Nsk Ltd. | Ball screw lubricated with oil-containing polymer |
US5508241A (en) * | 1994-03-22 | 1996-04-16 | Saint Gobain/Norton Industrial Ceramics Corp. | Silicon nitride bearing ball having a high rolling contact fatigue life |
US5467662A (en) * | 1994-04-20 | 1995-11-21 | Thomson Saginaw Ball Screw Company, Inc. | Ball nut and screw assemby with enhanced radial load capacity |
JPH084873A (ja) * | 1994-06-24 | 1996-01-12 | Ntn Corp | 真空機器用ボールねじ |
JP3344131B2 (ja) * | 1994-12-16 | 2002-11-11 | 日本精工株式会社 | 自己潤滑リニアガイド装置 |
US6568858B2 (en) * | 1997-08-01 | 2003-05-27 | Koyo Seiko Co., Ltd. | Ball bearing |
JP3695195B2 (ja) * | 1998-06-02 | 2005-09-14 | 日本精工株式会社 | ボールねじ機構、および直動装置 |
JP2000240666A (ja) * | 1998-09-08 | 2000-09-05 | Nsk Ltd | 転がり軸受 |
DE59911191D1 (de) * | 1999-01-19 | 2005-01-05 | Schneeberger Holding Ag Roggwi | Linearbewegungsführung |
US6415676B1 (en) * | 1999-10-26 | 2002-07-09 | Tsubaki Nakashima Co., Ltd. | Ball screw device having spacers |
TW418293B (en) * | 2000-03-03 | 2001-01-11 | Hiwin Tech Corp | A ballscrew with spacers |
US6419397B1 (en) * | 2000-12-01 | 2002-07-16 | The Torrington Company | Housed steering column |
JP2002276646A (ja) * | 2001-03-16 | 2002-09-25 | Hitachi Ltd | ラジアル軸受及びこれを用いた変速機 |
US6499374B1 (en) * | 2001-07-30 | 2002-12-31 | Tsubaki Nakashima Co., Ltd. | Ball screw with alternately disposed steel balls and ceramic balls |
-
2001
- 2001-12-11 IT IT2001RM000725A patent/ITRM20010725A1/it unknown
-
2002
- 2002-10-25 AT AT02425645T patent/ATE294938T1/de not_active IP Right Cessation
- 2002-10-25 DE DE60203984T patent/DE60203984T2/de not_active Expired - Fee Related
- 2002-10-25 EP EP02425645A patent/EP1319869B1/en not_active Revoked
- 2002-10-25 ES ES02425645T patent/ES2241982T3/es not_active Expired - Lifetime
- 2002-10-30 US US10/283,053 patent/US20030106386A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ATE294938T1 (de) | 2005-05-15 |
ES2241982T3 (es) | 2005-11-01 |
DE60203984D1 (de) | 2005-06-09 |
EP1319869A1 (en) | 2003-06-18 |
US20030106386A1 (en) | 2003-06-12 |
EP1319869B1 (en) | 2005-05-04 |
DE60203984T2 (de) | 2006-01-19 |
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