CA1155368A - Single lever operating device for an earth moving machine or the like - Google Patents

Single lever operating device for an earth moving machine or the like

Info

Publication number
CA1155368A
CA1155368A CA000368669A CA368669A CA1155368A CA 1155368 A CA1155368 A CA 1155368A CA 000368669 A CA000368669 A CA 000368669A CA 368669 A CA368669 A CA 368669A CA 1155368 A CA1155368 A CA 1155368A
Authority
CA
Canada
Prior art keywords
valves
pressure
valve
shuttle
pilot pressure
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
CA000368669A
Other languages
English (en)
French (fr)
Inventor
Piero L. Rista
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.)
Simit Italiana Macchine Industriali Torino SpA Soc
Original Assignee
Simit Italiana Macchine Industriali Torino SpA Soc
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 Simit Italiana Macchine Industriali Torino SpA Soc filed Critical Simit Italiana Macchine Industriali Torino SpA Soc
Application granted granted Critical
Publication of CA1155368A publication Critical patent/CA1155368A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
    • B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
    • B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
    • B62D11/183—Control systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Fluid Gearings (AREA)
CA000368669A 1980-01-29 1981-01-16 Single lever operating device for an earth moving machine or the like Expired CA1155368A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT67115/80A IT1127989B (it) 1980-01-29 1980-01-29 Dispositivo di azionamento a monoleva per una macchina per movimento terra o simili
IT67,115-A/80 1980-01-29

Publications (1)

Publication Number Publication Date
CA1155368A true CA1155368A (en) 1983-10-18

Family

ID=11299694

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000368669A Expired CA1155368A (en) 1980-01-29 1981-01-16 Single lever operating device for an earth moving machine or the like

Country Status (7)

Country Link
JP (1) JPS56124564A (sv)
CA (1) CA1155368A (sv)
DE (1) DE3102953A1 (sv)
FR (1) FR2474428B1 (sv)
IT (1) IT1127989B (sv)
PL (1) PL229448A1 (sv)
SE (1) SE8100352L (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457387A (en) * 1980-05-19 1984-07-03 Vickers, Incorporated Hydraulic steering system for full-track vehicles
IT1150232B (it) * 1981-03-12 1986-12-10 Linde Ag Dispositivo di comando per un veicolo sterzato con velocita' differenziale
EP0183684A1 (en) * 1983-09-27 1986-06-11 EDGERTON, Edgar Robert Charles Skid steer loaders
JPS60160274U (ja) * 1984-04-03 1985-10-24 油谷重工株式会社 クロ−ラ式建設機械の走行装置
JP2527629B2 (ja) * 1989-12-01 1996-08-28 油谷重工株式会社 走行操作装置
JPH07112827B2 (ja) * 1990-03-30 1995-12-06 株式会社小松製作所 閉回路油圧トランスミッションの油圧回路
FR2747432B1 (fr) * 1996-04-16 1998-06-26 Rexroth Sigma Dispositif hydraulique de commande directionnelle a levier unique pour vehicule
FR2747636B1 (fr) * 1996-04-18 1998-07-03 Rexroth Sigma Dispositif hydraulique de commande directionnelle a levier unique pour vehicule
KR20110055998A (ko) * 2009-11-20 2011-05-26 볼보 컨스트럭션 이큅먼트 에이비 건설기계의 주행 및 선회 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511176C2 (de) * 1975-03-14 1984-08-30 Linde Ag, 6200 Wiesbaden Lenksteuereinrichtung für ein Fahrzeug mit Differenzgeschwindigkeitslenkung
US4085812A (en) * 1976-11-24 1978-04-25 Sundstrand Corporation Actuator system for dual path transmission

Also Published As

Publication number Publication date
DE3102953A1 (de) 1981-12-24
FR2474428B1 (fr) 1985-10-25
JPS56124564A (en) 1981-09-30
IT8067115A0 (it) 1980-01-29
IT1127989B (it) 1986-05-28
FR2474428A1 (fr) 1981-07-31
SE8100352L (sv) 1981-07-30
PL229448A1 (sv) 1981-10-16

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Legal Events

Date Code Title Description
MKEX Expiry