IT1070470B - Meccanismo a vite a sfere - Google Patents
Meccanismo a vite a sfereInfo
- Publication number
- IT1070470B IT1070470B IT69514/76A IT6951476A IT1070470B IT 1070470 B IT1070470 B IT 1070470B IT 69514/76 A IT69514/76 A IT 69514/76A IT 6951476 A IT6951476 A IT 6951476A IT 1070470 B IT1070470 B IT 1070470B
- Authority
- IT
- Italy
- Prior art keywords
- ball screw
- screw mechanism
- ball
- screw
- 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
- 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
- F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
- F16H25/2223—Cross over deflectors between adjacent thread turns, e.g. S-form deflectors connecting neighbouring threads
-
- 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
- Y10T74/19721—Thread geometry
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7534145 | 1975-10-28 | ||
| DE7534177 | 1975-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1070470B true IT1070470B (it) | 1985-03-29 |
Family
ID=25947648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT69514/76A IT1070470B (it) | 1975-10-28 | 1976-10-19 | Meccanismo a vite a sfere |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4070921A (enExample) |
| JP (1) | JPS607135B2 (enExample) |
| ES (1) | ES452761A1 (enExample) |
| FR (1) | FR2329908A1 (enExample) |
| GB (1) | GB1520347A (enExample) |
| IT (1) | IT1070470B (enExample) |
| SE (1) | SE7611956L (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1116777B (it) * | 1977-07-07 | 1986-02-10 | Roltra Spa | Accoppiamento di trasmissione a vite madrevite |
| DE2914756C2 (de) * | 1979-04-11 | 1982-03-25 | Deutsche Star Kugelhalter Gmbh, 8720 Schweinfurt | Kugelschraubtrieb |
| FR2458009B1 (fr) * | 1979-05-30 | 1986-07-18 | Shuton Sa | Mecanisme d'ecrou et vis a billes inserees de portee |
| US4342235A (en) * | 1979-11-07 | 1982-08-03 | General Motors Corporation | Ball nut with internal crossover for ball recirculation |
| US4272476A (en) * | 1979-11-07 | 1981-06-09 | General Motors Corporation | Manufacture of ball nut with internal crossover path for ball recirculation |
| JPS5822845U (ja) * | 1981-07-31 | 1983-02-12 | 松下電器産業株式会社 | 電動直線運動アクチユエ−タ |
| US4836338A (en) * | 1988-04-19 | 1989-06-06 | Allied-Signal Inc. | Electrically operated disc brakes |
| US5022277A (en) * | 1989-08-22 | 1991-06-11 | Consolier Industries, Inc. | Screw and nut machine |
| US5245884A (en) * | 1989-09-05 | 1993-09-21 | British Aerospace Public Limited Company | Ball screw mechanism |
| DE29504812U1 (de) * | 1995-03-21 | 1995-05-18 | Deutsche Star Gmbh, 97424 Schweinfurt | Wälzkörperschraubtrieb |
| JP3726510B2 (ja) * | 1998-01-06 | 2005-12-14 | 日本精工株式会社 | ボールねじ |
| GB9814164D0 (en) * | 1998-06-30 | 1998-08-26 | Thomson Ibl Company | Ballscrew |
| DE10035515A1 (de) * | 2000-07-21 | 2002-02-07 | Mannesmann Sachs Ag | Kugelgewindetrieb |
| JP4729821B2 (ja) * | 2001-08-03 | 2011-07-20 | 日本精工株式会社 | ボールねじ |
| JP4786835B2 (ja) * | 2001-09-05 | 2011-10-05 | 株式会社ジェイテクト | ボールねじ装置 |
| EP1426660B1 (en) * | 2001-09-12 | 2010-03-03 | JTEKT Corporation | Ball screw device |
| US6813969B2 (en) | 2002-07-01 | 2004-11-09 | Delphi Technologies, Inc. | Rocker return liner for ball nut |
| JP2004263728A (ja) * | 2003-02-18 | 2004-09-24 | Koyo Seiko Co Ltd | ボールねじ装置 |
| DE102005053621B4 (de) * | 2005-11-10 | 2019-03-07 | Schaeffler Technologies AG & Co. KG | Kugelgewindetrieb |
| US8950283B2 (en) * | 2010-03-31 | 2015-02-10 | Nsk Ltd. | Method for manufacturing nut for ball screw and ball screw |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2327013A (en) * | 1941-07-23 | 1943-08-17 | Burman & Sons Ltd | Screw thread mechanism |
| US2473743A (en) * | 1945-02-19 | 1949-06-21 | Barnes Motor Developments Comp | Antifriction screw and nut |
| FR1052972A (fr) * | 1952-03-24 | 1954-01-29 | Procédé de filetage supprimant toutes résistances mécaniques dues à la frictiondes métaux | |
| US2770155A (en) * | 1952-07-26 | 1956-11-13 | Morgan Dev Lab Inc | Ball and helical race for mechanical movements |
| US2895343A (en) * | 1954-10-01 | 1959-07-21 | Orner Harry | Ball-bearing screw and nut mechanism |
| US3003361A (en) * | 1960-08-05 | 1961-10-10 | Ernest D Boutwell | Ball bearing screw and nut assembly |
| US3234810A (en) * | 1961-02-24 | 1966-02-15 | Orner Harry | Preloaded ball bearing screw and nut mechanism |
| US3186250A (en) * | 1961-11-15 | 1965-06-01 | Ernest D Boutwell | Antifriction split-nut device |
| US3372605A (en) * | 1965-10-19 | 1968-03-12 | Orner Harry | Ball-bearing screw and nut mechanism |
| US3638507A (en) * | 1970-02-26 | 1972-02-01 | Harry Orner | Preloaded ball-bearing screw and nut mechanism |
| US3673886A (en) * | 1970-12-14 | 1972-07-04 | Toyoda Machine Works Ltd | Ball nut screw assembly |
-
1976
- 1976-10-19 IT IT69514/76A patent/IT1070470B/it active
- 1976-10-21 FR FR7631710A patent/FR2329908A1/fr active Granted
- 1976-10-21 US US05/734,645 patent/US4070921A/en not_active Expired - Lifetime
- 1976-10-27 ES ES452761A patent/ES452761A1/es not_active Expired
- 1976-10-27 JP JP51129290A patent/JPS607135B2/ja not_active Expired
- 1976-10-27 SE SE7611956A patent/SE7611956L/ not_active Application Discontinuation
- 1976-10-28 GB GB44913/76A patent/GB1520347A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE7611956L (sv) | 1977-04-29 |
| GB1520347A (en) | 1978-08-09 |
| JPS607135B2 (ja) | 1985-02-22 |
| JPS5287571A (en) | 1977-07-21 |
| ES452761A1 (es) | 1978-01-01 |
| FR2329908A1 (fr) | 1977-05-27 |
| US4070921A (en) | 1978-01-31 |
| FR2329908B1 (enExample) | 1983-01-07 |
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