BE804588A - ELECTRONIC DEVICE FOR POSITIONING A BODY OF A LOADER - Google Patents

ELECTRONIC DEVICE FOR POSITIONING A BODY OF A LOADER

Info

Publication number
BE804588A
BE804588A BE135426A BE135426A BE804588A BE 804588 A BE804588 A BE 804588A BE 135426 A BE135426 A BE 135426A BE 135426 A BE135426 A BE 135426A BE 804588 A BE804588 A BE 804588A
Authority
BE
Belgium
Prior art keywords
loader
positioning
electronic device
electronic
Prior art date
Application number
BE135426A
Other languages
French (fr)
Inventor
J E Fuzzell
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 BE804588A publication Critical patent/BE804588A/en

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
BE135426A 1972-09-11 1973-09-07 ELECTRONIC DEVICE FOR POSITIONING A BODY OF A LOADER BE804588A (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
BE804588A true BE804588A (en) 1974-03-07

Family

ID=23103614

Family Applications (1)

Application Number Title Priority Date Filing Date
BE135426A BE804588A (en) 1972-09-11 1973-09-07 ELECTRONIC DEVICE FOR POSITIONING A BODY OF A LOADER

Country Status (7)

Country Link
US (1) US3782248A (en)
JP (1) JPS5610647B2 (en)
BE (1) BE804588A (en)
CA (1) CA999952A (en)
DE (1) DE2346162C2 (en)
FR (1) FR2199144B1 (en)
GB (1) GB1450165A (en)

Families Citing this family (10)

* 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 (en) * 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 (en) * 1976-06-10 1984-07-14 株式会社小松製作所 Automatic return device for operating lever
US4333251A (en) * 1981-01-23 1982-06-08 International Harvester Co. Automatic bucket leveler
JPS5950474A (en) * 1982-09-17 1984-03-23 Konishiroku Photo Ind Co Ltd Recorder
JPS59129885A (en) * 1983-01-17 1984-07-26 Konishiroku Photo Ind Co Ltd Recording device
WO1993006313A1 (en) * 1991-09-26 1993-04-01 Caterpillar Inc. Electronic implement control
KR101601978B1 (en) * 2009-12-03 2016-03-09 두산인프라코어 주식회사 Full crowd detent apparatus of wheeloader bucket
KR101601980B1 (en) * 2009-12-24 2016-03-09 두산인프라코어 주식회사 Electronic active detent apparatus and method

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 (en) * 1969-12-11 1982-09-16 Robert Bosch Gmbh, 7000 Stuttgart Multi-way valve with a longitudinal slide that is electromagnetically held in its working position
DE2045778A1 (en) * 1970-09-16 1972-03-23 Caterpillar Tractor Co., Peoria, 111. (V.St.A.) Magnetic control, for example for the shovel control of a shovel loader
US3659734A (en) * 1971-06-09 1972-05-02 Caterpillar Tractor Co Bucket positioning device utilizing a biased proximity switch

Also Published As

Publication number Publication date
DE2346162C2 (en) 1983-12-01
US3782248A (en) 1974-01-01
FR2199144B1 (en) 1976-09-24
FR2199144A1 (en) 1974-04-05
CA999952A (en) 1976-11-16
DE2346162A1 (en) 1974-03-21
JPS4965003A (en) 1974-06-24
GB1450165A (en) 1976-09-22
JPS5610647B2 (en) 1981-03-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CATERPILLAR INC.

Effective date: 19920930