GB1450165A - Apparatus for controlling the position of a vehicle component - Google Patents

Apparatus for controlling the position of a vehicle component

Info

Publication number
GB1450165A
GB1450165A GB4259073A GB4259073A GB1450165A GB 1450165 A GB1450165 A GB 1450165A GB 4259073 A GB4259073 A GB 4259073A GB 4259073 A GB4259073 A GB 4259073A GB 1450165 A GB1450165 A GB 1450165A
Authority
GB
United Kingdom
Prior art keywords
latch
coupled
piston rod
transistor
control
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
GB4259073A
Other languages
English (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.)
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
Publication of GB1450165A publication Critical patent/GB1450165A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/64—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors having inductive loads
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Position Or Direction (AREA)
GB4259073A 1972-09-11 1973-09-11 Apparatus for controlling the position of a vehicle component Expired GB1450165A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28760472A 1972-09-11 1972-09-11

Publications (1)

Publication Number Publication Date
GB1450165A true GB1450165A (en) 1976-09-22

Family

ID=23103614

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4259073A Expired GB1450165A (en) 1972-09-11 1973-09-11 Apparatus for controlling the position of a vehicle component

Country Status (7)

Country Link
US (1) US3782248A (US07754267-20100713-C00021.png)
JP (1) JPS5610647B2 (US07754267-20100713-C00021.png)
BE (1) BE804588A (US07754267-20100713-C00021.png)
CA (1) CA999952A (US07754267-20100713-C00021.png)
DE (1) DE2346162C2 (US07754267-20100713-C00021.png)
FR (1) FR2199144B1 (US07754267-20100713-C00021.png)
GB (1) GB1450165A (US07754267-20100713-C00021.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2508681A4 (en) * 2009-12-03 2017-02-15 Doosan Infracore Co., Ltd. Full crowd detent device for a wheel loader bucket

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062269A (en) * 1975-04-21 1977-12-13 Clark Equipment Company Hydraulic cylinder extension control
JPS5736701Y2 (US07754267-20100713-C00021.png) * 1975-12-04 1982-08-13
US4011959A (en) * 1976-02-13 1977-03-15 Caterpillar Tractor Co. Bucket-positioner circuit with "no detent" operation
JPS5923810Y2 (ja) * 1976-06-10 1984-07-14 株式会社小松製作所 操作レバの自動復帰装置
US4333251A (en) * 1981-01-23 1982-06-08 International Harvester Co. Automatic bucket leveler
JPS5950474A (ja) * 1982-09-17 1984-03-23 Konishiroku Photo Ind Co Ltd 記録装置
JPS59129885A (ja) * 1983-01-17 1984-07-26 Konishiroku Photo Ind Co Ltd 記録装置
WO1993006313A1 (en) * 1991-09-26 1993-04-01 Caterpillar Inc. Electronic implement control
KR101601980B1 (ko) * 2009-12-24 2016-03-09 두산인프라코어 주식회사 전자식 능동 디텐트 장치 및 그 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2331108A (en) * 1940-07-10 1943-10-05 Reconstruction Finance Corp Hydraulic mechanism
US3420393A (en) * 1967-04-19 1969-01-07 Case Co J I Fluid motor position control
US3524562A (en) * 1968-09-19 1970-08-18 Caterpillar Tractor Co Hydraulic controls for bucket loaders
DE1962069C2 (de) * 1969-12-11 1982-09-16 Robert Bosch Gmbh, 7000 Stuttgart Mehrwegeventil mit einem elektromagnetisch in seinen Arbeitsstellungen gehaltenen Längsschieber
DE2045778A1 (de) * 1970-09-16 1972-03-23 Caterpillar Tractor Co., Peoria, 111. (V.St.A.) Magnetsteuerung, beispielsweise für die Schaufelsteuerung eines Schaufelladers
US3659734A (en) * 1971-06-09 1972-05-02 Caterpillar Tractor Co Bucket positioning device utilizing a biased proximity switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2508681A4 (en) * 2009-12-03 2017-02-15 Doosan Infracore Co., Ltd. Full crowd detent device for a wheel loader bucket

Also Published As

Publication number Publication date
BE804588A (fr) 1974-03-07
FR2199144A1 (US07754267-20100713-C00021.png) 1974-04-05
JPS5610647B2 (US07754267-20100713-C00021.png) 1981-03-10
JPS4965003A (US07754267-20100713-C00021.png) 1974-06-24
US3782248A (en) 1974-01-01
DE2346162C2 (de) 1983-12-01
FR2199144B1 (US07754267-20100713-C00021.png) 1976-09-24
CA999952A (en) 1976-11-16
DE2346162A1 (de) 1974-03-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920911