GB2073832B - Safety device for a manually-operated change-speed gearbox - Google Patents

Safety device for a manually-operated change-speed gearbox

Info

Publication number
GB2073832B
GB2073832B GB8106501A GB8106501A GB2073832B GB 2073832 B GB2073832 B GB 2073832B GB 8106501 A GB8106501 A GB 8106501A GB 8106501 A GB8106501 A GB 8106501A GB 2073832 B GB2073832 B GB 2073832B
Authority
GB
United Kingdom
Prior art keywords
manually
safety device
speed gearbox
operated change
operated
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
GB8106501A
Other versions
GB2073832A (en
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of GB2073832A publication Critical patent/GB2073832A/en
Application granted granted Critical
Publication of GB2073832B publication Critical patent/GB2073832B/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
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • 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
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • F16D2023/0618—Details of blocking mechanism comprising a helical spring loaded element, e.g. ball
    • 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
    • F16H2063/3093—Final output elements, i.e. the final elements to establish gear ratio, e.g. dog clutches or other means establishing coupling to shaft
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed
    • F16H59/38—Inputs being a function of speed of gearing elements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
  • Structure Of Transmissions (AREA)
GB8106501A 1980-04-10 1981-03-02 Safety device for a manually-operated change-speed gearbox Expired GB2073832B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803013856 DE3013856C2 (en) 1980-04-10 1980-04-10 Downshift protection for gearbox

Publications (2)

Publication Number Publication Date
GB2073832A GB2073832A (en) 1981-10-21
GB2073832B true GB2073832B (en) 1984-02-01

Family

ID=6099698

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8106501A Expired GB2073832B (en) 1980-04-10 1981-03-02 Safety device for a manually-operated change-speed gearbox

Country Status (5)

Country Link
JP (1) JPS56150627A (en)
BR (1) BR8102162A (en)
DE (1) DE3013856C2 (en)
FR (1) FR2480388A1 (en)
GB (1) GB2073832B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62278340A (en) * 1986-05-26 1987-12-03 Mazda Motor Corp Synchronizing device for gear type transmission
DE59005380D1 (en) * 1989-07-01 1994-05-19 Zahnradfabrik Friedrichshafen RETURN CONTROL.
DE4241594C1 (en) * 1992-12-10 1994-04-21 Daimler Benz Ag Gear change unit for vehicle gearbox - has displacement stop and adjustment located on change lever sleeve
DE102009051706A1 (en) * 2009-11-03 2011-05-05 Hoerbiger Antriebstechnik Gmbh Locking synchronization module of a manual transmission
DE102013005291A1 (en) * 2013-03-27 2014-05-08 Audi Ag Switched reduction gear unit for drive unit of motor vehicle, has two selectable transmissions and switching unit for selecting transmission, which is movable in normal position and in reducing position
DE102015212966A1 (en) 2014-07-22 2016-01-28 Magna powertrain gmbh & co kg blocking mechanism

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069476B (en) * 1959-11-19
DE7024355U (en) * 1900-01-01 Soc Des Automobiles Simca Device for locking the reverse gear in a gearbox
DE484670C (en) * 1929-10-21 Heinrich Korfmann Jr Locking device for sliding gears for reversing gear power machines
DE624835C (en) * 1933-08-08 1936-01-29 Zahnradfabrik Friedrichshafen Locking device for axially displaceable, rotating shifting parts in gearboxes, especially motor vehicle transmissions
FR2051995A5 (en) * 1969-07-03 1971-04-09 Simca Automobiles Sa
DE1946496C3 (en) * 1969-09-13 1979-10-11 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Driving speed-dependent lock to prevent impermissible downshifts in motor vehicle gearboxes
DE2040195C3 (en) * 1969-09-13 1980-08-21 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Driving speed-dependent lock to prevent impermissible downshifts in motor vehicle gearboxes
DE2065856B2 (en) * 1970-08-13 1980-03-13 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Driving speed-dependent lock to prevent impermissible downshifts in motor vehicle gearboxes
GB1509297A (en) * 1975-08-13 1978-05-04 Chrysler Uk Apparatus for controlling a gearbox
DE2706661A1 (en) * 1977-02-17 1978-08-24 Volkswagenwerk Ag Synchromesh for vehicle gear box - has locking assembly connecting two synchro rings into one axially slidable unit
DE2936009C2 (en) * 1979-09-06 1983-04-21 Getrag Getriebe- Und Zahnradfabrik Gmbh, 7140 Ludwigsburg Multi-step transmission for road vehicles in countershaft design

Also Published As

Publication number Publication date
JPS56150627A (en) 1981-11-21
DE3013856C2 (en) 1985-03-21
FR2480388B1 (en) 1984-06-01
FR2480388A1 (en) 1981-10-16
GB2073832A (en) 1981-10-21
BR8102162A (en) 1981-10-13
DE3013856A1 (en) 1981-10-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee