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GB1085213A - Improved belt or chain tensioning device - Google Patents

Improved belt or chain tensioning device

Info

Publication number
GB1085213A
GB1085213A GB3374864A GB3374864A GB1085213A GB 1085213 A GB1085213 A GB 1085213A GB 3374864 A GB3374864 A GB 3374864A GB 3374864 A GB3374864 A GB 3374864A GB 1085213 A GB1085213 A GB 1085213A
Authority
GB
United Kingdom
Prior art keywords
cam
base
spring
chain
rotation
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
GB3374864A
Inventor
Edward Charles Turner
John Poyzer
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.)
BorgWarner Ltd
Original Assignee
BorgWarner 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 BorgWarner Ltd filed Critical BorgWarner Ltd
Priority to GB3374864A priority Critical patent/GB1085213A/en
Priority to DE19651500447 priority patent/DE1500447B1/en
Priority to BR17219165A priority patent/BR6572191D0/en
Publication of GB1085213A publication Critical patent/GB1085213A/en
Priority to DE19686600494 priority patent/DE6600494U/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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0802—Actuators for final output members
    • F16H2007/081—Torsion springs
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0889—Path of movement of the finally actuated member
    • F16H2007/0893—Circular path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

1,085,213. Belt or chain tensioning devices. BORG WARNER Ltd. July 19, 1965 [Aug. 18, 1964], No. 33748/64. Heading F2Q. A belt or chain tensioner comprises a pivoted arm 3 with a rubber or synthetic rubber or plastics wear pad 4 urged against a chain or belt by a spring urged rotary snail cam 6, which is biased anticlockwise to place the largest radius possible against the arm 3, and whose clockwise rotation is limited by a self-energizing friction brake allowing a small resiliently controlled initial rotation. The friction brake comprises a helical spring 7, Fig. 2 (not shown), with one end 18 in a hole 1 and in a fixed top plate 8 mounted on a base 1 and the helical turns thereof frictionally engaging a cylindrical extension 15 of the cam 6. Anticlockwise rotation of the cam 6 is allowed by the spring 7 tending to unwind and clockwise rotation tends to tighten the spring turns on the extension 15, which is after a small initial rotation frictionally locked. A spiral spring 5 urges the cam 6 and is engaged with and situated between the cam extension 15 and a reduced portion 17 of the cam mounting spindle 16. The cam extension 15 has a projection 24 for engaging with the top plate 8 to limit cam rotation. The arm 3 has a curled end either pivotally engaged in a circular groove of the base 1 or surrounding a pin fast with the top plate 8 and press fitted in the base 1. The base 1 has a bore 22 for directing oil on to the tensioned chain which communicates with a groove in the rear of the base for receiving pressure oil when mounted on an engine in a timing chain drive.
GB3374864A 1964-08-18 1964-08-18 Improved belt or chain tensioning device Expired GB1085213A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB3374864A GB1085213A (en) 1964-08-18 1964-08-18 Improved belt or chain tensioning device
DE19651500447 DE1500447B1 (en) 1964-08-18 1965-08-17 Chain tensioner
BR17219165A BR6572191D0 (en) 1964-08-18 1965-08-17 TENSION DEVICES FOR CHAINS OR CHAINS
DE19686600494 DE6600494U (en) 1964-08-18 1968-10-03 CHAIN CAM TENSIONER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3374864A GB1085213A (en) 1964-08-18 1964-08-18 Improved belt or chain tensioning device

Publications (1)

Publication Number Publication Date
GB1085213A true GB1085213A (en) 1967-09-27

Family

ID=10356944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3374864A Expired GB1085213A (en) 1964-08-18 1964-08-18 Improved belt or chain tensioning device

Country Status (3)

Country Link
BR (1) BR6572191D0 (en)
DE (2) DE1500447B1 (en)
GB (1) GB1085213A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0945651A3 (en) * 1996-02-29 1999-12-15 JOH. WINKLHOFER & SÖHNE GmbH & Co KG Mechanical chain tensioner
EP1036956A3 (en) * 1999-03-16 2002-11-20 Borg-Warner Automotive K. K. Mechanical chain tensioner
WO2007013111A1 (en) * 2005-07-29 2007-02-01 Dayco Europe S.R.L. Con Unico Socio Shoe tensioner for a synchronous belt drive for use with oil
CN101263320B (en) * 2005-07-29 2010-06-02 戴科欧洲科学研究实验室 Track shoe tensioner for timing belt drives used with oil
CN101893071A (en) * 2010-05-25 2010-11-24 贾文良 Multi-operating condition chain tensioning device
US8057333B2 (en) 2006-04-11 2011-11-15 Borgwarner Inc. Series spring blade tensioner

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2318353A1 (en) * 1975-07-18 1977-02-11 Amiot Expl Procedes Felix DEVELOPMENT OF CHAIN TENSIONERS
DE2550639C2 (en) * 1975-11-11 1983-10-27 Joresa S.A., Sardanyola Automatic adjustment device for a chain tensioning device
JP4046684B2 (en) * 2003-12-26 2008-02-13 株式会社椿本チエイン Engine tensioner

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1249477A (en) * 1959-11-18 1960-12-30 Renault Improvements to automatic chain tensioners
FR1313529A (en) * 1962-02-02 1962-12-28 Ford France Tension device for transmission belts or chains

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0945651A3 (en) * 1996-02-29 1999-12-15 JOH. WINKLHOFER & SÖHNE GmbH & Co KG Mechanical chain tensioner
EP1036956A3 (en) * 1999-03-16 2002-11-20 Borg-Warner Automotive K. K. Mechanical chain tensioner
WO2007013111A1 (en) * 2005-07-29 2007-02-01 Dayco Europe S.R.L. Con Unico Socio Shoe tensioner for a synchronous belt drive for use with oil
CN101263320B (en) * 2005-07-29 2010-06-02 戴科欧洲科学研究实验室 Track shoe tensioner for timing belt drives used with oil
US8083623B2 (en) 2005-07-29 2011-12-27 Dayco Europe S.R.L. Con Unico Socio Shoe tensioner for a synchronous belt drive for use with oil
US8057333B2 (en) 2006-04-11 2011-11-15 Borgwarner Inc. Series spring blade tensioner
CN101893071A (en) * 2010-05-25 2010-11-24 贾文良 Multi-operating condition chain tensioning device
CN101893071B (en) * 2010-05-25 2012-07-04 贾文良 Multi-operating condition chain tensioning device

Also Published As

Publication number Publication date
BR6572191D0 (en) 1973-09-06
DE6600494U (en) 1969-01-16
DE1500447B1 (en) 1970-06-18

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