GB1238130A - - Google Patents

Info

Publication number
GB1238130A
GB1238130A GB1238130DA GB1238130A GB 1238130 A GB1238130 A GB 1238130A GB 1238130D A GB1238130D A GB 1238130DA GB 1238130 A GB1238130 A GB 1238130A
Authority
GB
United Kingdom
Prior art keywords
bucket
valve
jack
oct
detent means
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
Other languages
English (en)
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 filed Critical
Publication of GB1238130A publication Critical patent/GB1238130A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
GB1238130D 1968-10-25 1969-10-24 Expired GB1238130A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77067068A 1968-10-25 1968-10-25

Publications (1)

Publication Number Publication Date
GB1238130A true GB1238130A (enrdf_load_stackoverflow) 1971-07-07

Family

ID=25089316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1238130D Expired GB1238130A (enrdf_load_stackoverflow) 1968-10-25 1969-10-24

Country Status (8)

Country Link
US (1) US3519155A (enrdf_load_stackoverflow)
BE (1) BE740798A (enrdf_load_stackoverflow)
CH (1) CH505259A (enrdf_load_stackoverflow)
DE (1) DE1953734A1 (enrdf_load_stackoverflow)
ES (1) ES372842A1 (enrdf_load_stackoverflow)
FR (1) FR2021610A1 (enrdf_load_stackoverflow)
GB (1) GB1238130A (enrdf_load_stackoverflow)
SE (1) SE350558B (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3738522A (en) * 1970-07-30 1973-06-12 Fiat Spa Automatic scoop positioning device for mechanical shovel
US3749269A (en) * 1971-07-23 1973-07-31 Clark Equipment Co Control system for a vehicle engine
US3836032A (en) * 1973-01-24 1974-09-17 Caterpillar Tractor Co Bucket positioner for loaders
US3841698A (en) * 1973-02-26 1974-10-15 Crown Controls Corp Vehicle with retractable guard
US3887098A (en) * 1973-09-28 1975-06-03 Eaton Corp Material handling apparatus
US4011959A (en) * 1976-02-13 1977-03-15 Caterpillar Tractor Co. Bucket-positioner circuit with "no detent" operation
US4074690A (en) * 1976-04-08 1978-02-21 Caterpillar Tractor Co. Pre-adjusted control module for construction vehicles
US4141258A (en) * 1977-03-31 1979-02-27 Caterpillar Tractor Co. Control module with override mechanism
US5919026A (en) * 1997-06-02 1999-07-06 Kann Manufacturing Corporation Carry can discharge floor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432057A (en) * 1967-02-28 1969-03-11 Case Co J I Automatic bucket positioner

Also Published As

Publication number Publication date
ES372842A1 (es) 1972-03-01
SE350558B (enrdf_load_stackoverflow) 1972-10-30
US3519155A (en) 1970-07-07
BE740798A (fr) 1970-04-24
FR2021610A1 (enrdf_load_stackoverflow) 1970-07-24
CH505259A (de) 1971-03-31
DE1953734A1 (de) 1970-04-30

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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)
PE20 Patent expired after termination of 20 years