GB476589A - Improvements in or relating to frictional change speed gears - Google Patents

Improvements in or relating to frictional change speed gears

Info

Publication number
GB476589A
GB476589A GB16359/36A GB1635936A GB476589A GB 476589 A GB476589 A GB 476589A GB 16359/36 A GB16359/36 A GB 16359/36A GB 1635936 A GB1635936 A GB 1635936A GB 476589 A GB476589 A GB 476589A
Authority
GB
United Kingdom
Prior art keywords
rollers
wheels
friction
axles
pivots
Prior art date
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
GB16359/36A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB476589A publication Critical patent/GB476589A/en
Expired 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
    • F16H15/32—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 has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line
    • F16H15/36—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 has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
    • F16H15/38—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 has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)

Abstract

476,589. Variable - speed friction gearing. ARTER, J. June 11, 1936, No. 16359. Convention date, June 15, 1935. [Class 80 (ii)] A variable-speed friction gear comprises friction wheels 8 and 9 on driving and driven shafts 6 arid 7 respectively with intermediate rollers 13, 14. The rollers 13 and 14 rotate on axles 17, 18 which are swung about pivots 19 and 20 to alter the position of the intermediate rollers on the driving and driven wheels 8 and 9 to vary the ratio of the gearing. The pivots 19 and 20 are secured to a common member 21 which is free to move in a plane perpendicular to the axis of the gear on guide pins 22, 24 to equalize automatically the load on the rollers 13 and 14. A small amount of lateral movement of axles 17, 18 is provided by means of pins 28, 29 in blocks 26, 27 respectively to allow the friction rollers 13 and 14 to take up positions to compensate the pressures against the two wheels 8 and 9, which pressures are maintained by a spring 12 acting against the wheel 8.
GB16359/36A 1935-06-15 1936-06-11 Improvements in or relating to frictional change speed gears Expired GB476589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH476589X 1935-06-15

Publications (1)

Publication Number Publication Date
GB476589A true GB476589A (en) 1937-12-13

Family

ID=4516175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16359/36A Expired GB476589A (en) 1935-06-15 1936-06-11 Improvements in or relating to frictional change speed gears

Country Status (1)

Country Link
GB (1) GB476589A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580669A (en) * 1949-05-23 1952-01-01 Garnier Henri Louis Continuous change-speed gear
US2660897A (en) * 1950-09-20 1953-12-01 Dabo Ltd Infinitely-variable change-speed gear
US2734389A (en) * 1956-02-14 Strecker
US4964312A (en) * 1988-10-17 1990-10-23 Excelermatic Inc. Infinitely variable traction roller transmission
US5895337A (en) * 1995-03-16 1999-04-20 Torotrak (Development) Limited Continuously-variable-ratios transmissions

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734389A (en) * 1956-02-14 Strecker
US2580669A (en) * 1949-05-23 1952-01-01 Garnier Henri Louis Continuous change-speed gear
US2660897A (en) * 1950-09-20 1953-12-01 Dabo Ltd Infinitely-variable change-speed gear
US4964312A (en) * 1988-10-17 1990-10-23 Excelermatic Inc. Infinitely variable traction roller transmission
US5895337A (en) * 1995-03-16 1999-04-20 Torotrak (Development) Limited Continuously-variable-ratios transmissions

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