FR2400594A1 - Grader blade actuator with frame - has pair of opposing pivot arms, link forming pivoted connector and pair of lift cylinders moved by fluid - Google Patents

Grader blade actuator with frame - has pair of opposing pivot arms, link forming pivoted connector and pair of lift cylinders moved by fluid

Info

Publication number
FR2400594A1
FR2400594A1 FR7822956A FR7822956A FR2400594A1 FR 2400594 A1 FR2400594 A1 FR 2400594A1 FR 7822956 A FR7822956 A FR 7822956A FR 7822956 A FR7822956 A FR 7822956A FR 2400594 A1 FR2400594 A1 FR 2400594A1
Authority
FR
France
Prior art keywords
pair
frame
lift cylinders
fluid
pivot arms
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.)
Withdrawn
Application number
FR7822956A
Other languages
French (fr)
Inventor
Carlisle Samuel Morris
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 FR2400594A1 publication Critical patent/FR2400594A1/en
Withdrawn legal-status Critical Current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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
    • E02F3/765—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a horizontal axis disposed perpendicular to the blade

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)

Abstract

In a grader blade actuator, having a frame, pair of opposing pivot arms are connected to the frame. A link member is pivotally interconnecting the arms and a blade member. A diagonal fluid cylinder is pivotally connected at one end to one of the link member and pivot arm and at the other end to the blade member. A pair of fluid actuatable lift cylinders are each of a construction sufficient for connecting a respective pivot arm to a respective end portion of the blade member. The improvement comprises at least one of the pair of lift cylinders having a longitudinal axis and a middle portion having at least two releasable connecting units spaced apart a preselected distance along the longitudinal axis of the middle portion with each being selectively connectable to the respective pivot arm.
FR7822956A 1977-08-19 1978-08-03 Grader blade actuator with frame - has pair of opposing pivot arms, link forming pivoted connector and pair of lift cylinders moved by fluid Withdrawn FR2400594A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82621377A 1977-08-19 1977-08-19

Publications (1)

Publication Number Publication Date
FR2400594A1 true FR2400594A1 (en) 1979-03-16

Family

ID=25245988

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7822956A Withdrawn FR2400594A1 (en) 1977-08-19 1978-08-03 Grader blade actuator with frame - has pair of opposing pivot arms, link forming pivoted connector and pair of lift cylinders moved by fluid

Country Status (5)

Country Link
US (1) UST984004I4 (en)
JP (1) JPS5433301A (en)
CA (1) CA1080964A (en)
FR (1) FR2400594A1 (en)
ZA (1) ZA782213B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU778668B2 (en) * 2000-07-12 2004-12-16 Davey Group Pty Ltd High speed grader improvements
US7647983B2 (en) * 2006-03-31 2010-01-19 Caterpillar Inc. Machine with automated linkage positioning system

Also Published As

Publication number Publication date
CA1080964A (en) 1980-07-08
UST984004I4 (en) 1979-07-03
JPS5433301A (en) 1979-03-12
ZA782213B (en) 1979-04-25

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Legal Events

Date Code Title Description
ST Notification of lapse