GB749229A - Improvements in or relating to change-speed power transmissions for vehicles, such as agricultural tractors - Google Patents

Improvements in or relating to change-speed power transmissions for vehicles, such as agricultural tractors

Info

Publication number
GB749229A
GB749229A GB21560/54A GB2156054A GB749229A GB 749229 A GB749229 A GB 749229A GB 21560/54 A GB21560/54 A GB 21560/54A GB 2156054 A GB2156054 A GB 2156054A GB 749229 A GB749229 A GB 749229A
Authority
GB
United Kingdom
Prior art keywords
direct
clutch
drive
main
gear
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
GB21560/54A
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.)
Navistar Inc
Original Assignee
International Harverster Corp
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 International Harverster Corp filed Critical International Harverster Corp
Publication of GB749229A publication Critical patent/GB749229A/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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0293—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being purely mechanical
    • 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
    • F16H2716/00—Control devices for speed-change mechanisms of planetary gearings, with toothed wheels remaining engaged, e.g. also for devices to simplify the control or for synchronising devices combined with control devices
    • F16H2716/02—Control devices for speed-change mechanisms of planetary gearings, with toothed wheels remaining engaged, e.g. also for devices to simplify the control or for synchronising devices combined with control devices the control being mechanical

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

749,229. Change-speed control. INTERNATIONAL HARVESTER CO. July 23, 1954 [Aug. 17, 1953], No. 21560/54. Class 80(2) A lever 101, controlling engagement of a direct-drive friction clutch 63 of an auxiliary direct-reduced planet gear 13 arranged between the usual main clutch 27 and a direct-reduced countershaft-type main change-speed gear 36 on an agricultural tractor, is moved anti-clockwise to direct-drive clutch release position by depression of the main clutch pedal 92 independently of its own hand lever 102, so that, when the main clutch pedal 92 is depressed during a shift in the main countershaft gear 36, the conjoint release of the auxiliary direct-drive clutch 63 (if engaged) relieves the countershaft gear wheels of that torque which would otherwise persist due to reaction of the road wheel tyres and the use of a one-way overrun detent 73 which normally prevents reverse rotation of the auxiliary gear planet carrier 61 to introduce reduced drive on release of the direct-drive clutch 63. The auxiliary gear comprises in put and output suns 56, 33 and the reversedetained stepped planet carrier 61 connected to input through the direct-drive clutch 63. The direct-drive clutch lever 101, pivoting at 86a, has lost-motion connections at its opposite ends with a main-clutch actuating lever 91, rocked about a pivot 86 by the clutch-pedal 92, and with the auxiliary gear control lever 102, which is spring-loaded to the direct-drive position and is latched by a releasable detent 115 in a rearward position (shown dotted) for reduced drive. Thus either the clutch pedal 92 or auxiliary gear control lever 102 can disengage the direct-drive clutch 63 without affecting each other.
GB21560/54A 1953-08-17 1954-07-23 Improvements in or relating to change-speed power transmissions for vehicles, such as agricultural tractors Expired GB749229A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US749229XA 1953-08-17 1953-08-17

Publications (1)

Publication Number Publication Date
GB749229A true GB749229A (en) 1956-05-23

Family

ID=22122459

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21560/54A Expired GB749229A (en) 1953-08-17 1954-07-23 Improvements in or relating to change-speed power transmissions for vehicles, such as agricultural tractors

Country Status (1)

Country Link
GB (1) GB749229A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104373581A (en) * 2014-10-23 2015-02-25 江苏沃得农业机械有限公司 Side control gear shifting device of tractor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104373581A (en) * 2014-10-23 2015-02-25 江苏沃得农业机械有限公司 Side control gear shifting device of tractor
CN104373581B (en) * 2014-10-23 2016-06-29 江苏沃得农业机械有限公司 Side of tractor handles gearshift

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