FR2444859B1 - - Google Patents

Info

Publication number
FR2444859B1
FR2444859B1 FR7922917A FR7922917A FR2444859B1 FR 2444859 B1 FR2444859 B1 FR 2444859B1 FR 7922917 A FR7922917 A FR 7922917A FR 7922917 A FR7922917 A FR 7922917A FR 2444859 B1 FR2444859 B1 FR 2444859B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7922917A
Other languages
French (fr)
Other versions
FR2444859A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
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
Application filed by Kubota Corp filed Critical Kubota Corp
Publication of FR2444859A1 publication Critical patent/FR2444859A1/en
Application granted granted Critical
Publication of FR2444859B1 publication Critical patent/FR2444859B1/fr
Granted legal-status Critical Current

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
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04—Gearings providing a continuous range of gear ratios
    • F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • F16H15/08—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately flat friction surface
    • F16H15/10—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately flat friction surface in which the axes of the two members cross or intersect
    • F16H15/12—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately flat friction surface in which the axes of the two members cross or intersect in which one or each member is duplicated, e.g. for obtaining better transmission, for lessening the reaction forces on the bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
  • Transmission Devices (AREA)
  • Structure Of Transmissions (AREA)
  • Transmissions By Endless Flexible Members (AREA)
FR7922917A 1978-12-18 1979-09-13 PROGRESSIVE SPEED VARIABLE MECHANISM Granted FR2444859A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15824878A JPS5582846A (en) 1978-12-18 1978-12-18 Speed change gear

Publications (2)

Publication Number Publication Date
FR2444859A1 FR2444859A1 (en) 1980-07-18
FR2444859B1 true FR2444859B1 (en) 1984-03-09

Family

ID=15667481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7922917A Granted FR2444859A1 (en) 1978-12-18 1979-09-13 PROGRESSIVE SPEED VARIABLE MECHANISM

Country Status (5)

Country Link
JP (1) JPS5582846A (en)
CA (1) CA1108888A (en)
DE (1) DE2950208C2 (en)
FR (1) FR2444859A1 (en)
GB (1) GB2038430B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635849A (en) * 1979-08-30 1981-04-08 Kubota Ltd Variable speed gear for tractor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR374843A (en) * 1907-02-19 1907-06-24 Hilmar Von Minnigerode Adjustable friction control
GB117465A (en) * 1917-01-13 1918-07-15 Herbert Biggleston Improvements in Variable Speed Gears.
FR604110A (en) * 1924-10-04 1926-04-29 Friction shifting
GB310064A (en) * 1927-10-21 1929-04-22 John Standen Shaw Improvements in speed varying and reversing gear
FR908279A (en) * 1944-12-15 1946-04-04 Gear reducer, servo-variable
US2520057A (en) * 1947-07-03 1950-08-22 C E Dominguez Variable speed power transmission
FR1013918A (en) * 1950-03-08 1952-08-06 Improvements to variable speed drives
US3204476A (en) * 1960-04-05 1965-09-07 William S Rouverol Variable speed transmission
US3108480A (en) * 1960-11-14 1963-10-29 Kiuchi Yahei Universal speed converter
US3264890A (en) * 1960-11-28 1966-08-09 Richard T Erban Variable speed transmission
FR1349261A (en) * 1962-11-08 1964-01-17 Improvements to variable speed friction devices
DE2207033A1 (en) * 1972-02-15 1973-08-23 Helmut Koerner CONTINUOUSLY ADJUSTABLE REVERSING GEAR
NZ183624A (en) * 1976-04-10 1980-05-08 Kubota Ltd Stepless speed change system connected to an internal gear which meshes with a planetary gear system

Also Published As

Publication number Publication date
DE2950208C2 (en) 1983-04-21
FR2444859A1 (en) 1980-07-18
CA1108888A (en) 1981-09-15
JPS5582846A (en) 1980-06-21
GB2038430B (en) 1983-05-11
DE2950208A1 (en) 1980-07-03
GB2038430A (en) 1980-07-23

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Legal Events

Date Code Title Description
ST Notification of lapse