DE2964598D1 - Electronic directional control circuit - Google Patents

Electronic directional control circuit

Info

Publication number
DE2964598D1
DE2964598D1 DE7979101665T DE2964598T DE2964598D1 DE 2964598 D1 DE2964598 D1 DE 2964598D1 DE 7979101665 T DE7979101665 T DE 7979101665T DE 2964598 T DE2964598 T DE 2964598T DE 2964598 D1 DE2964598 D1 DE 2964598D1
Authority
DE
Germany
Prior art keywords
control circuit
directional control
electronic directional
electronic
circuit
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
DE7979101665T
Other languages
English (en)
Inventor
Weldon Leon Phelps
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of DE2964598D1 publication Critical patent/DE2964598D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/24—Electrical devices or systems
    • 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
    • F16H61/0202—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 electric
    • F16H61/0204—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 electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0246—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 electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by initiating reverse gearshift
    • 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
    • F16H59/02—Selector apparatus
    • F16H59/08—Range selector apparatus
    • F16H2059/088—Fast forward-reverse-sequence mode
    • 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
    • F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Forklifts And Lifting Vehicles (AREA)
DE7979101665T 1978-06-29 1979-05-30 Electronic directional control circuit Expired DE2964598D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/920,587 US4178518A (en) 1978-06-29 1978-06-29 Electronic directional control circuit

Publications (1)

Publication Number Publication Date
DE2964598D1 true DE2964598D1 (en) 1983-03-03

Family

ID=25444009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979101665T Expired DE2964598D1 (en) 1978-06-29 1979-05-30 Electronic directional control circuit

Country Status (4)

Country Link
US (1) US4178518A (de)
EP (1) EP0006462B1 (de)
CA (1) CA1112337A (de)
DE (1) DE2964598D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3673092D1 (de) * 1985-07-15 1990-09-06 Volvo Ab Kraftfahrzeuggetriebe.
US6293077B1 (en) 2000-05-02 2001-09-25 Mtd Products Inc Deck attachment and lift system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2968967A (en) * 1959-04-20 1961-01-24 Hyster Co Drive system for lift truck
GB920680A (en) * 1961-10-27 1963-03-13 Ransomes Sims & Jefferies Ltd Improvements in or relating to fork-lift trucks
US3446376A (en) * 1967-04-27 1969-05-27 Eaton Yale & Towne Reversing mechanism for industrial vehicle
US3805640A (en) * 1972-09-08 1974-04-23 Twin Disc Inc Electronically controlled power transmission

Also Published As

Publication number Publication date
EP0006462A1 (de) 1980-01-09
CA1112337A (en) 1981-11-10
EP0006462B1 (de) 1983-01-26
US4178518A (en) 1979-12-11

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: CATERPILLAR INC., PEORIA, ILL., US

8339 Ceased/non-payment of the annual fee