GB770380A - Improvements in change speed devices - Google Patents

Improvements in change speed devices

Info

Publication number
GB770380A
GB770380A GB14021/55A GB1402155A GB770380A GB 770380 A GB770380 A GB 770380A GB 14021/55 A GB14021/55 A GB 14021/55A GB 1402155 A GB1402155 A GB 1402155A GB 770380 A GB770380 A GB 770380A
Authority
GB
United Kingdom
Prior art keywords
change speed
speed devices
devices
change
speed
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
GB14021/55A
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.)
JEAN GUILLAUME PERNOLLET
YVON ALBERT BOYER
Original Assignee
JEAN GUILLAUME PERNOLLET
YVON ALBERT BOYER
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 JEAN GUILLAUME PERNOLLET, YVON ALBERT BOYER filed Critical JEAN GUILLAUME PERNOLLET
Publication of GB770380A publication Critical patent/GB770380A/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
    • F16H15/42—Gearings providing a continuous range of gear ratios in which two members co-operate by means of rings or by means of parts of endless flexible members pressed between the first mentioned members
GB14021/55A 1954-05-20 1955-05-16 Improvements in change speed devices Expired GB770380A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR770380X 1954-05-20

Publications (1)

Publication Number Publication Date
GB770380A true GB770380A (en) 1957-03-20

Family

ID=9186578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14021/55A Expired GB770380A (en) 1954-05-20 1955-05-16 Improvements in change speed devices

Country Status (2)

Country Link
DE (1) DE1005335B (en)
GB (1) GB770380A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104843138A (en) * 2015-04-21 2015-08-19 谢腾 Continuously variable transmission used for bicycle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19542726B4 (en) * 1995-11-16 2006-02-16 Rohs, Ulrich, Dr.-Ing. bevel friction ring gearing
US5924953A (en) * 1997-05-21 1999-07-20 Rohs; Ulrich Friction cone gearing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE919325C (en) * 1952-07-19 1954-10-18 Jean Guillaume Pernollet Automatic speed controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104843138A (en) * 2015-04-21 2015-08-19 谢腾 Continuously variable transmission used for bicycle

Also Published As

Publication number Publication date
DE1005335B (en) 1957-03-28

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