JPH031450B2 - - Google Patents

Info

Publication number
JPH031450B2
JPH031450B2 JP21757383A JP21757383A JPH031450B2 JP H031450 B2 JPH031450 B2 JP H031450B2 JP 21757383 A JP21757383 A JP 21757383A JP 21757383 A JP21757383 A JP 21757383A JP H031450 B2 JPH031450 B2 JP H031450B2
Authority
JP
Japan
Prior art keywords
swivel
hydraulic
platform
valve
circuit
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
JP21757383A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60109433A (ja
Inventor
Mitsuhiro Kishi
Yokichi Nagasawa
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.)
Hikoma Seisakusho Co Ltd
Original Assignee
Hikoma Seisakusho Co Ltd
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 Hikoma Seisakusho Co Ltd filed Critical Hikoma Seisakusho Co Ltd
Priority to JP21757383A priority Critical patent/JPS60109433A/ja
Priority to EP84300864A priority patent/EP0116474B1/en
Priority to DE8484300864T priority patent/DE3461666D1/de
Publication of JPS60109433A publication Critical patent/JPS60109433A/ja
Priority to US06/920,924 priority patent/US4746264A/en
Publication of JPH031450B2 publication Critical patent/JPH031450B2/ja
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/123—Drives or control devices specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • E02F9/2037—Coordinating the movements of the implement and of the frame

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Shovels (AREA)
JP21757383A 1983-02-12 1983-11-18 掘削機の台回転駆動装置 Granted JPS60109433A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP21757383A JPS60109433A (ja) 1983-11-18 1983-11-18 掘削機の台回転駆動装置
EP84300864A EP0116474B1 (en) 1983-02-12 1984-02-10 Earth-working machine
DE8484300864T DE3461666D1 (en) 1983-02-12 1984-02-10 Earth-working machine
US06/920,924 US4746264A (en) 1983-02-12 1986-10-16 Earth-working machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21757383A JPS60109433A (ja) 1983-11-18 1983-11-18 掘削機の台回転駆動装置

Publications (2)

Publication Number Publication Date
JPS60109433A JPS60109433A (ja) 1985-06-14
JPH031450B2 true JPH031450B2 (en, 2012) 1991-01-10

Family

ID=16706387

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21757383A Granted JPS60109433A (ja) 1983-02-12 1983-11-18 掘削機の台回転駆動装置

Country Status (1)

Country Link
JP (1) JPS60109433A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7017674B2 (en) * 2003-11-17 2006-03-28 Caterpillar Inc. Method of changing operating characteristics of an implement

Also Published As

Publication number Publication date
JPS60109433A (ja) 1985-06-14

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