CA1030073A - Servodirection pour chariot elevateur electrique - Google Patents

Servodirection pour chariot elevateur electrique

Info

Publication number
CA1030073A
CA1030073A CA241,514A CA241514A CA1030073A CA 1030073 A CA1030073 A CA 1030073A CA 241514 A CA241514 A CA 241514A CA 1030073 A CA1030073 A CA 1030073A
Authority
CA
Canada
Prior art keywords
electric
power steering
steering system
lift truck
drive lift
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
CA241,514A
Other languages
English (en)
Inventor
Walter M. Shaffer
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 CA1030073A publication Critical patent/CA1030073A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/09—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Forklifts And Lifting Vehicles (AREA)
CA241,514A 1975-04-25 1975-12-11 Servodirection pour chariot elevateur electrique Expired CA1030073A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/571,830 US3976158A (en) 1975-04-25 1975-04-25 Power steering system for electric-drive lift truck

Publications (1)

Publication Number Publication Date
CA1030073A true CA1030073A (fr) 1978-04-25

Family

ID=24285248

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241,514A Expired CA1030073A (fr) 1975-04-25 1975-12-11 Servodirection pour chariot elevateur electrique

Country Status (3)

Country Link
US (1) US3976158A (fr)
CA (1) CA1030073A (fr)
GB (1) GB1475250A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7708751L (sv) * 1977-08-01 1979-02-02 Bodin Ab Maskin Ove Hydrauliskt servobromssystem for elektriskt drivet fordon
US4336860A (en) * 1980-01-24 1982-06-29 The Prime-Mover Co. Material handling vehicle having improved deadman control
DE3168475D1 (en) * 1980-07-18 1985-03-07 Nissan Motor Vehicle hydraulic power steering system with means for controlling the operation of a power steering pump
FR2491020A1 (fr) * 1980-09-29 1982-04-02 Fenwick Manutention Ste Indle Vehicule electrique, notamment chariot elevateur, comportant une direction hydrostatique alimentee par l'intermediaire d'un distributeur a centre ferme
US4422290A (en) * 1981-08-26 1983-12-27 General Signal Hydraulic control system for governing steering and implement actuators
USRE33201E (en) * 1983-04-25 1990-04-17 Hydraulic safety barrier traffic-way controller
US4490068A (en) * 1983-04-25 1984-12-25 Dickinson Harry D Hydraulic safety barrier traffic-way controller
DE3408872A1 (de) * 1984-03-10 1985-09-12 Alfred Teves Gmbh, 6000 Frankfurt Hydraulische bremsanlage fuer kraftfahrzeuge
DE3622218A1 (de) * 1986-07-02 1988-01-14 Still Gmbh Kraftfahrzeug, vorzugsweise flurfoerderzeug, mit einer hydraulischen arbeitseinrichtung und mit einer hydraulischen lenkhilfskraftunterstuetzungseinrichtung
US5209317A (en) * 1988-12-05 1993-05-11 United Technologies Automotive, Inc. Electro-hydraulic vehicular power steering system with closed center valving
US5477675A (en) * 1989-02-17 1995-12-26 Nartron Corporation Fluid power assist method and apparatus
US5921342A (en) * 1996-02-05 1999-07-13 Unisia Jecs Corporation Power assisted steering apparatus for automotive vehicle
US10144450B1 (en) 2017-06-05 2018-12-04 Caterpillar Inc. Hydraulic system for a steering system of a vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2330739A (en) * 1940-11-29 1943-09-28 Transit Res Corp Hydraulic braking system
US3083533A (en) * 1960-10-24 1963-04-02 Clark Equipment Co Hydraulic system

Also Published As

Publication number Publication date
US3976158A (en) 1976-08-24
GB1475250A (en) 1977-06-01

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