GB177487A - Improvements in and relating to pulleys - Google Patents

Improvements in and relating to pulleys

Info

Publication number
GB177487A
GB177487A GB29991/21A GB2999121A GB177487A GB 177487 A GB177487 A GB 177487A GB 29991/21 A GB29991/21 A GB 29991/21A GB 2999121 A GB2999121 A GB 2999121A GB 177487 A GB177487 A GB 177487A
Authority
GB
United Kingdom
Prior art keywords
pulleys
relating
rim
pulley
plaisted
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
GB29991/21A
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.)
HAROLD MASON PLAISTED
Original Assignee
HAROLD MASON PLAISTED
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 HAROLD MASON PLAISTED filed Critical HAROLD MASON PLAISTED
Publication of GB177487A publication Critical patent/GB177487A/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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/32—Friction members
    • F16H55/36—Pulleys
    • F16H55/38—Means or measures for increasing adhesion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)
  • Crushing And Grinding (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)

Abstract

177,487. Williams, M. F., and Plaisted, H. M. March 21,1921. Addition to 168,043. Pulleys.-In the type of pulley described in the parent Specification, both faces A, B of the grooves on the rim of a pulley make obtuse angles a, b with the rim surface.
GB29991/21A 1921-03-21 1921-11-10 Improvements in and relating to pulleys Expired GB177487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US177487XA 1921-03-21 1921-03-21

Publications (1)

Publication Number Publication Date
GB177487A true GB177487A (en) 1923-01-25

Family

ID=21784317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29991/21A Expired GB177487A (en) 1921-03-21 1921-11-10 Improvements in and relating to pulleys

Country Status (1)

Country Link
GB (1) GB177487A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2910871A1 (en) * 1979-03-20 1980-09-25 Bayerische Motoren Werke Ag Toothed belt drive - has pulley teeth acting against belt tooth roots only at centre
CN105782396A (en) * 2016-03-24 2016-07-20 北京金风科创风电设备有限公司 Toothed wheel, transmission device and variable pitch device of wind generating set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2910871A1 (en) * 1979-03-20 1980-09-25 Bayerische Motoren Werke Ag Toothed belt drive - has pulley teeth acting against belt tooth roots only at centre
CN105782396A (en) * 2016-03-24 2016-07-20 北京金风科创风电设备有限公司 Toothed wheel, transmission device and variable pitch device of wind generating set

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