CA1085160A - Locking mechanism for movable vehicle members - Google Patents

Locking mechanism for movable vehicle members

Info

Publication number
CA1085160A
CA1085160A CA287,463A CA287463A CA1085160A CA 1085160 A CA1085160 A CA 1085160A CA 287463 A CA287463 A CA 287463A CA 1085160 A CA1085160 A CA 1085160A
Authority
CA
Canada
Prior art keywords
piston
lock pin
valve
surface area
force
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
CA287,463A
Other languages
English (en)
French (fr)
Inventor
Joseph E. Dezelan
Donald R. Mast
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
Application granted granted Critical
Publication of CA1085160A publication Critical patent/CA1085160A/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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
    • E02F3/848—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically using cable drums
    • 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
    • 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
    • E02F3/80—Component parts
    • 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
    • E02F9/22—Hydraulic or pneumatic drives

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
  • Fluid-Pressure Circuits (AREA)
CA287,463A 1977-01-13 1977-09-26 Locking mechanism for movable vehicle members Expired CA1085160A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/759,219 US4132290A (en) 1977-01-13 1977-01-13 Locking mechanism for movable vehicle members
US759,219 1977-01-13

Publications (1)

Publication Number Publication Date
CA1085160A true CA1085160A (en) 1980-09-09

Family

ID=25054848

Family Applications (1)

Application Number Title Priority Date Filing Date
CA287,463A Expired CA1085160A (en) 1977-01-13 1977-09-26 Locking mechanism for movable vehicle members

Country Status (5)

Country Link
US (1) US4132290A (US07321065-20080122-C00160.png)
JP (1) JPS5389208A (US07321065-20080122-C00160.png)
CA (1) CA1085160A (US07321065-20080122-C00160.png)
FR (1) FR2377486A1 (US07321065-20080122-C00160.png)
ZA (1) ZA775621B (US07321065-20080122-C00160.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4324435A (en) * 1980-05-08 1982-04-13 Caterpillar Tractor Co. Lock assembly for earthworking apparatus
JPS58145369U (ja) * 1982-03-18 1983-09-30 株式会社小松製作所 建設機械の運転室保護装置
US4726731A (en) * 1984-12-07 1988-02-23 Jones Paul O Hitch
US5529131A (en) * 1995-09-28 1996-06-25 Van Ornum; Leslie G. Grading attachment
US7647983B2 (en) * 2006-03-31 2010-01-19 Caterpillar Inc. Machine with automated linkage positioning system
EP3244079B1 (de) * 2016-05-11 2024-01-24 BAUER Maschinen GmbH Bolzenverbindung und schwenkhebel mit bolzenverbindung für baumaschine
CN117449372B (zh) * 2023-10-26 2024-08-27 湖南三一华源机械有限公司 平地机的液压控制系统、平地机的液压控制方法和平地机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118347A (en) * 1960-03-14 1964-01-21 Earlajhompson
US3227050A (en) * 1962-03-15 1966-01-04 Caterpillar Tractor Co Hydraulic circuit for actuation of an earthmoving scraper ejector
US3138884A (en) * 1962-03-15 1964-06-30 Caterpillar Tractor Co Hydraulic circuit for actuation of an earthmoving scraper ejector
US3454110A (en) * 1966-06-21 1969-07-08 Deere & Co Saddle structure for earth grader
JPS5341107B1 (US07321065-20080122-C00160.png) * 1968-02-10 1978-10-31
US3583493A (en) * 1969-04-29 1971-06-08 Deere & Co Latch mechanism for two-way plow
US3739861A (en) * 1971-02-02 1973-06-19 Caterpillar Tractor Co Blade lift/centershift controls for motor graders
US3692149A (en) * 1971-05-26 1972-09-19 Allis Chalmers Mfg Co Cam actuated interlock for pivot arm

Also Published As

Publication number Publication date
ZA775621B (en) 1978-07-26
US4132290A (en) 1979-01-02
FR2377486B1 (US07321065-20080122-C00160.png) 1982-07-09
JPS5389208A (en) 1978-08-05
FR2377486A1 (fr) 1978-08-11

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Legal Events

Date Code Title Description
MKEX Expiry