GB1233174A - - Google Patents

Info

Publication number
GB1233174A
GB1233174A GB1233174DA GB1233174A GB 1233174 A GB1233174 A GB 1233174A GB 1233174D A GB1233174D A GB 1233174DA GB 1233174 A GB1233174 A GB 1233174A
Authority
GB
United Kingdom
Prior art keywords
pulley
teeth
cord
june
centre
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
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 filed Critical
Publication of GB1233174A publication Critical patent/GB1233174A/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)
  • Pulleys (AREA)

Abstract

1,233,174. Pulleys. THOMAS FRENCH & SONS Ltd. 17 June, 1968 [15 June, 1967], No. 27565/67. Heading F2Q. A cord-engaged groove of a friction pulley is formed by opposed interdigitating sets of radially extending, pointed, triangular crosssection teeth T, the arrangement of which is such that, under load, the cord, wrapped around at least part of the pulley periphery, follows a slip-preventing tortuous path. The teeth of each set extend outwardly from approximately halfway between the pulley centre and periphery. The distance between adjacent points of the teeth of respective opposed sets decreases from the circumference towards the centre of the pulley so that cord grip increases with load. The pulley may be integrally moulded or comprise two separate toothed halves.
GB1233174D 1967-06-15 1967-06-15 Expired GB1233174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2756567 1967-06-15

Publications (1)

Publication Number Publication Date
GB1233174A true GB1233174A (en) 1971-05-26

Family

ID=10261689

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1233174D Expired GB1233174A (en) 1967-06-15 1967-06-15

Country Status (1)

Country Link
GB (1) GB1233174A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844537A (en) * 1972-07-08 1974-10-29 J Rinio Cable pulley
US5722640A (en) * 1996-09-25 1998-03-03 Skyba; Helmut K. Winch and improved sheave
CN103991775A (en) * 2013-05-22 2014-08-20 林谊忠 Anti-skidding rope wheel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844537A (en) * 1972-07-08 1974-10-29 J Rinio Cable pulley
US5722640A (en) * 1996-09-25 1998-03-03 Skyba; Helmut K. Winch and improved sheave
CN103991775A (en) * 2013-05-22 2014-08-20 林谊忠 Anti-skidding rope wheel

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees