CA993472A - Joint assembly for hydraulic excavator - Google Patents

Joint assembly for hydraulic excavator

Info

Publication number
CA993472A
CA993472A CA176,720A CA176720A CA993472A CA 993472 A CA993472 A CA 993472A CA 176720 A CA176720 A CA 176720A CA 993472 A CA993472 A CA 993472A
Authority
CA
Canada
Prior art keywords
hydraulic excavator
joint assembly
excavator
hydraulic
joint
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
CA176,720A
Other versions
CA176720S (en
Inventor
Lawrance F. Berg
Robert W. Lichti
Theodore B. Hogg
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 CA993472A publication Critical patent/CA993472A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
    • F16L39/04—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies allowing adjustment or movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14—Grabs opened or closed by driving motors thereon
    • B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
    • 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
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3677—Devices to connect tools to arms, booms or the like allowing movement, e.g. rotation or translation, of the tool around or along another axis as the movement implied by the boom or arms, e.g. for tilting buckets
    • E02F3/3681—Rotators
    • 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
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • E02F3/4135—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device with grabs mounted directly on a boom
CA176,720A 1972-08-25 1973-07-18 Joint assembly for hydraulic excavator Expired CA993472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US283818A US3873133A (en) 1972-08-25 1972-08-25 Clamshell bucket assembly for hydraulic excavator

Publications (1)

Publication Number Publication Date
CA993472A true CA993472A (en) 1976-07-20

Family

ID=23087689

Family Applications (1)

Application Number Title Priority Date Filing Date
CA176,720A Expired CA993472A (en) 1972-08-25 1973-07-18 Joint assembly for hydraulic excavator

Country Status (8)

Country Link
US (1) US3873133A (en)
JP (1) JPS4958609A (en)
BE (1) BE803836A (en)
BR (1) BR7306367D0 (en)
CA (1) CA993472A (en)
DE (1) DE2343558C2 (en)
FR (1) FR2197093B1 (en)
GB (3) GB1448841A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2718434C2 (en) * 1977-04-26 1979-06-28 Fa. Johannes Fuchs, 7257 Ditzingen Gripper hinged to the boom of a work machine
DE2838346C2 (en) * 1978-09-02 1985-02-14 Fa. Heinz Thumm, 7012 Fellbach Rotating device for an excavator grab or the like.
DE2856556C2 (en) * 1978-12-28 1980-10-23 Liebherr-Hydraulikbagger Gmbh, 7951 Kirchdorf Tool suspension for hydraulically operated interchangeable tools
DE3105194A1 (en) * 1981-02-13 1982-09-09 Heinz Thumm Ölhydraulische Antriebe GmbH, 7012 Fellbach TURNING DEVICE FOR HANGING LOADS
FR2536455A1 (en) * 1982-11-19 1984-05-25 Soletanche DEVICE FOR ENSURING VERTICALITY OF A PERFORATION MACHINE
US4921010A (en) * 1988-04-22 1990-05-01 Unex Corporation Swivel connector
US5117741A (en) * 1990-01-16 1992-06-02 Sta-Rite Industries, Inc. Double wall hydraulic cylinder
US6425730B1 (en) * 1999-02-11 2002-07-30 Clark Equipment Company Load bearing pivot assembly providing a fluid path
JP3541351B2 (en) * 2000-03-13 2004-07-07 新キャタピラー三菱株式会社 Work machine piping structure
CA2353239A1 (en) * 2001-07-18 2003-01-18 Rotobec Inc. Motor-driven, boom-mounted rotor assembly
SE524668C2 (en) * 2003-01-30 2004-09-14 Oilquick Ab Utility bracket with switching means
US7690880B2 (en) * 2006-04-25 2010-04-06 Clark Equipment Company Locking device for hydraulic attachment interface
JP5709791B2 (en) * 2012-04-16 2015-04-30 日立建機株式会社 Clamshell bucket
CN103572790B (en) * 2012-08-07 2016-08-03 上海金泰工程机械有限公司 The safe Impact Bucket Grab of drop point controllable type
DE102015112639B4 (en) * 2015-07-31 2017-05-11 Peiner SMAG Lifting Technologies GmbH clamshell
JP7030504B2 (en) * 2017-12-22 2022-03-07 株式会社クボタ Working machine
CN112726695B (en) * 2021-01-27 2022-08-12 徐州徐工矿业机械有限公司 Electronic buffering and limiting device for engineering machinery

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2334141A (en) * 1942-03-26 1943-11-09 Frank P Zierden Hose reel
US2343491A (en) * 1942-04-30 1944-03-07 Bard Swivel joint
US2725996A (en) * 1953-04-22 1955-12-06 Paul F Britton Universal head for controlling clamshell bucket and similar material handling devices
US2990851A (en) * 1958-06-23 1961-07-04 Mcevoy Co Multiple valve and connection
JPS429871Y1 (en) * 1964-05-13 1967-05-30
US3413029A (en) * 1966-08-01 1968-11-26 Esco Corp Material handling apparatus
FR1508347A (en) * 1966-11-24 1968-01-05 Poclain Sa Easily removable orientation assembly for earthmoving machine clamshell
US3462029A (en) * 1968-02-02 1969-08-19 Bucyrus Erie Co Rocker support for bucket attachment
JPS471250U (en) * 1971-01-18 1972-08-12

Also Published As

Publication number Publication date
GB1448841A (en) 1976-09-08
GB1448843A (en) 1976-09-08
FR2197093A1 (en) 1974-03-22
DE2343558A1 (en) 1974-02-28
FR2197093B1 (en) 1978-11-10
US3873133A (en) 1975-03-25
DE2343558C2 (en) 1982-08-12
GB1448842A (en) 1976-09-08
JPS4958609A (en) 1974-06-06
BE803836A (en) 1974-02-21
BR7306367D0 (en) 1974-07-25

Similar Documents

Publication Publication Date Title
CA990751A (en) Hydraulic coupling
CA981633A (en) Grapple assembly for backhoe unit
CA997380A (en) Hydraulic mining system
CA993472A (en) Joint assembly for hydraulic excavator
CA973708A (en) Dozer blade assembly for tractors
CA990656A (en) Brake assembly for excavator swing transmission
CA985261A (en) Hydraulic oil
CA982089A (en) Hydraulic circuitry for an excavator
AU475514B2 (en) Improved dredging bucket
CA977241A (en) Vented hydraulic coupling
CA995016A (en) Oil boom
CA997329A (en) Hydraulic fluids
CA915913A (en) Hydraulic excavators
CA963359A (en) Hydraulic actuator
CA901560A (en) All-weather hydraulic fluid
CA1002428A (en) Hydraulic backhoe circultry
AU466317B2 (en) Hydraulic drifter
CA963767A (en) Hydraulic drifter
CA963769A (en) Hydraulic drifter
CA963770A (en) Hydraulic drifter
AU469540B2 (en) Heavy bulldozer
CA896311A (en) Hydraulic coupling
CA896422A (en) Hydraulic coupling
CA914036A (en) Hydraulic coupling
CA908543A (en) Hydraulic couplings