GB893861A - Improvements in rotational reduction friction gears - Google Patents

Improvements in rotational reduction friction gears

Info

Publication number
GB893861A
GB893861A GB2504657A GB2504657A GB893861A GB 893861 A GB893861 A GB 893861A GB 2504657 A GB2504657 A GB 2504657A GB 2504657 A GB2504657 A GB 2504657A GB 893861 A GB893861 A GB 893861A
Authority
GB
United Kingdom
Prior art keywords
races
bearing
inner race
cage
split
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
GB2504657A
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.)
George Angus and Co Ltd
Original Assignee
George Angus and Co Ltd
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 George Angus and Co Ltd filed Critical George Angus and Co Ltd
Priority to GB2504657A priority Critical patent/GB893861A/en
Publication of GB893861A publication Critical patent/GB893861A/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
    • F16H13/00—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
    • F16H13/06—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members with members having orbital motion
    • F16H13/08—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members with members having orbital motion with balls or with rollers acting in a similar manner

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Retarders (AREA)

Abstract

893,861. Friction gearing. ANGUS & CO. Ltd., GEORGE, and FEARNS, S. July 31, 1958 [Aug. 8, 1957], No. 25046/57. Class 80 (1). In epicyclic friction reduction gearing comprising a number of similar caged ball or rollerbearings mounted coaxially by their outer races 2 in a cylindrical housing 3, the cage 8 of one being connected to the inner race of the next, helical, rubber or diaphragm spring end loading 22 is provided to increase the contact pressure. As shown, the outer races 2 of three ball-bearings are held against rotation in the housing 3 by corrugated spring bands which allow limited axial movement. An input shaft 15 has a boss 7 carrying the split inner race of the first bearing whose cage 8 is integral with a sleeve carrying the split inner race of the second bearing. Similarly the cage 8 of the second bearing drives the split inner race of the third bearing, whose cage drives the output shaft 12. Opposed pairs of dished spring washers 22 are provided to load the split inner races. In a modification the outer races are split and are loaded by helical springs. In this construction the gearing is mounted on the end of a motor, and successive cages and inner races are coupled by tongues on the cages engaging slots in the races. In other modifications double row oblique contact ball-bearings are used, only one row of which need be caged. Alternatively, tapered roller bearings may be used.
GB2504657A 1957-08-08 1957-08-08 Improvements in rotational reduction friction gears Expired GB893861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2504657A GB893861A (en) 1957-08-08 1957-08-08 Improvements in rotational reduction friction gears

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2504657A GB893861A (en) 1957-08-08 1957-08-08 Improvements in rotational reduction friction gears

Publications (1)

Publication Number Publication Date
GB893861A true GB893861A (en) 1962-04-18

Family

ID=10221352

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2504657A Expired GB893861A (en) 1957-08-08 1957-08-08 Improvements in rotational reduction friction gears

Country Status (1)

Country Link
GB (1) GB893861A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1775306B1 (en) * 1968-07-26 1971-08-26 Nobilium Products Inc Friction gear with planetary balls
DE2543080A1 (en) * 1974-09-26 1976-04-08 Bjoern Harald Heden REDUCTION GEARS, IN PARTICULAR FOR CAMERA DRIVES
DE2832934A1 (en) * 1978-07-27 1980-02-14 Friedrich Schley Ingenieur Bue GEARBOX TRANSMISSION WITH FRICTION RING
GB2584389A (en) * 2019-04-25 2020-12-09 Coreteq Systems Ltd Viscous coupling and gearless transmission

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1775306B1 (en) * 1968-07-26 1971-08-26 Nobilium Products Inc Friction gear with planetary balls
DE2543080A1 (en) * 1974-09-26 1976-04-08 Bjoern Harald Heden REDUCTION GEARS, IN PARTICULAR FOR CAMERA DRIVES
DE2832934A1 (en) * 1978-07-27 1980-02-14 Friedrich Schley Ingenieur Bue GEARBOX TRANSMISSION WITH FRICTION RING
GB2584389A (en) * 2019-04-25 2020-12-09 Coreteq Systems Ltd Viscous coupling and gearless transmission
GB2584389B (en) * 2019-04-25 2023-05-31 Coreteq Systems Ltd Viscous coupling and gearless transmission

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