GB834885A - Improvements in or relating to gear shift mechanisms - Google Patents

Improvements in or relating to gear shift mechanisms

Info

Publication number
GB834885A
GB834885A GB944856A GB944856A GB834885A GB 834885 A GB834885 A GB 834885A GB 944856 A GB944856 A GB 944856A GB 944856 A GB944856 A GB 944856A GB 834885 A GB834885 A GB 834885A
Authority
GB
United Kingdom
Prior art keywords
striker
forks
notches
gears
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
GB944856A
Inventor
Pierre Francois Tiberghien
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.)
AGCO SA
Original Assignee
Massey Ferguson SA
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 Massey Ferguson SA filed Critical Massey Ferguson SA
Priority to GB944856A priority Critical patent/GB834885A/en
Priority to FR1173389D priority patent/FR1173389A/en
Publication of GB834885A publication Critical patent/GB834885A/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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks
    • F16H2063/327—Gear shift yokes, e.g. shift forks essentially made of sheet metal
    • 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
    • F16H2708/00—Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes
    • F16H2708/10—Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes only the toothed wheels may be disengaged
    • F16H2708/12—Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes only the toothed wheels may be disengaged the control being mechanical

Landscapes

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

Abstract

834,885. Change-speed gear. MASSEYFERGUSON S.A., [formerly CIE MASSEYHARRIS-FERGUSON]. March 19, 1957 [March 27, 1956], No. 9448/56. Class 80 (2). [Also in Group XXXI] Three nested U-shaped striker forks 54, 92, 70 have aligned holes in their limbs by which they are mounted upon guide rods 50, 51, a depending finger 128 on a gear shift lever 123 selectively engaging one or other of three notches 55, 95, 72 in the upper surfaces of the forks so that each striker can be slidden independently of the others to establish a ratio in a five-speed and reverse change-mesh changespeed gear. The lower surface of each striker is provided with three notches, such as the notches 150 ... 152, Fig. 6, in the lower surface of the striker 54, for engagement by a spring-biased plunger 153 to hold it in either of its two engaged positions or in its central, neutral position. A separate plunger 153, Fig. 14, is provided for each striker fork, and each plunger has a reduced neck 166. A disc 167 is arranged between the three necks 166 and is so proportioned that when one of the plungers 153 is depressed during a ratio shift, the disc is displaced sideways and locks the other two plungers in position, thereby preventing movement of the associated two striker forks. The striker forks control the axial positions of gears 30 ... 34, Figs. 1, 2, slidable upon a driven shaft 29 connected through a bevel gear differential 40 to the road wheels of a tractor. The gears 30 ... 34 mesh selectively with associated gears 22 ... 26 fast on a driving shaft 20 and with a reversing idler 35.
GB944856A 1956-03-27 1956-03-27 Improvements in or relating to gear shift mechanisms Expired GB834885A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB944856A GB834885A (en) 1956-03-27 1956-03-27 Improvements in or relating to gear shift mechanisms
FR1173389D FR1173389A (en) 1956-03-27 1957-03-26 Gearbox control mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB944856A GB834885A (en) 1956-03-27 1956-03-27 Improvements in or relating to gear shift mechanisms

Publications (1)

Publication Number Publication Date
GB834885A true GB834885A (en) 1960-05-11

Family

ID=9872154

Family Applications (1)

Application Number Title Priority Date Filing Date
GB944856A Expired GB834885A (en) 1956-03-27 1956-03-27 Improvements in or relating to gear shift mechanisms

Country Status (2)

Country Link
FR (1) FR1173389A (en)
GB (1) GB834885A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4968124U (en) * 1972-09-28 1974-06-13
DE102006001229A1 (en) * 2006-01-10 2007-07-19 Selzer Fertigungstechnik Gmbh & Co. Kg Automotive gearshift selector fork has assembly rivets with sheet metal heads cut from sheet metal components in the same fork
US7788989B2 (en) 2007-06-21 2010-09-07 Selzer Fertigungstechnik Gmbh & Co. Kg Selector fork arrangement for a manual transmission in a motor vehicle
EP2896859A4 (en) * 2012-09-17 2016-12-21 Chengdu Maikesen Fluid Control Equipment Co Ltd Double-guidance shift fork transmission box

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4968124U (en) * 1972-09-28 1974-06-13
DE102006001229A1 (en) * 2006-01-10 2007-07-19 Selzer Fertigungstechnik Gmbh & Co. Kg Automotive gearshift selector fork has assembly rivets with sheet metal heads cut from sheet metal components in the same fork
DE102006001229B4 (en) * 2006-01-10 2013-04-11 Selzer Fertigungstechnik Gmbh & Co. Kg Shift fork assembly for automotive manual transmission
US7788989B2 (en) 2007-06-21 2010-09-07 Selzer Fertigungstechnik Gmbh & Co. Kg Selector fork arrangement for a manual transmission in a motor vehicle
EP2896859A4 (en) * 2012-09-17 2016-12-21 Chengdu Maikesen Fluid Control Equipment Co Ltd Double-guidance shift fork transmission box
US9625052B2 (en) 2012-09-17 2017-04-18 Chengdu Maikesen Fluid Control Equipment Double-guidance shift fork transmission box

Also Published As

Publication number Publication date
FR1173389A (en) 1959-02-24

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