EP0221578A3 - Hydraulic circuit for self-undecking crane - Google Patents

Hydraulic circuit for self-undecking crane Download PDF

Info

Publication number
EP0221578A3
EP0221578A3 EP86115927A EP86115927A EP0221578A3 EP 0221578 A3 EP0221578 A3 EP 0221578A3 EP 86115927 A EP86115927 A EP 86115927A EP 86115927 A EP86115927 A EP 86115927A EP 0221578 A3 EP0221578 A3 EP 0221578A3
Authority
EP
European Patent Office
Prior art keywords
undecking
crane
self
hydraulic circuit
hydraulic
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.)
Granted
Application number
EP86115927A
Other versions
EP0221578A2 (en
EP0221578B1 (en
Inventor
Leon L. Cuhel
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.)
Link Belt Cranes LP LLLP
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Publication of EP0221578A2 publication Critical patent/EP0221578A2/en
Publication of EP0221578A3 publication Critical patent/EP0221578A3/en
Application granted granted Critical
Publication of EP0221578B1 publication Critical patent/EP0221578B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
EP19860115927 1983-04-22 1984-04-18 Hydraulic circuit for self-undecking crane Expired EP0221578B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48763883A 1983-04-22 1983-04-22
US487638 1983-04-22

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP84104407.6 Division 1984-04-18

Publications (3)

Publication Number Publication Date
EP0221578A2 EP0221578A2 (en) 1987-05-13
EP0221578A3 true EP0221578A3 (en) 1987-09-02
EP0221578B1 EP0221578B1 (en) 1990-06-13

Family

ID=23936549

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19840104407 Expired EP0124024B1 (en) 1983-04-22 1984-04-18 Hydraulic circuit for self-undecking crane
EP19860115927 Expired EP0221578B1 (en) 1983-04-22 1984-04-18 Hydraulic circuit for self-undecking crane

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19840104407 Expired EP0124024B1 (en) 1983-04-22 1984-04-18 Hydraulic circuit for self-undecking crane

Country Status (3)

Country Link
EP (2) EP0124024B1 (en)
JP (1) JPS6012495A (en)
DE (2) DE3482463D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559441B1 (en) * 1984-02-13 1988-04-15 Poclain Sa MOBILE MACHINE COMPRISING A STABILIZATION DEVICE
GB2224092B (en) * 1988-10-21 1992-11-25 British Gas Plc Apparatus and method for supplying an elongate element
JP2006298524A (en) * 2005-04-18 2006-11-02 Nippon Sharyo Seizo Kaisha Ltd Telescopic boom type crawler crane
CN101839260B (en) * 2010-03-21 2011-11-23 常德中联重科液压有限公司 Step-down multipath reversing valve with two-position two-way hydraulic control valve
CN102003423A (en) * 2010-12-17 2011-04-06 徐州重型机械有限公司 Hydraulic bidirectional lock and crane with same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1634769A1 (en) * 1965-10-14 1970-09-17 Demag Baumaschinen Gmbh Control device for excavators or cranes with several hydraulically movable support feet
US3550506A (en) * 1969-05-09 1970-12-29 Grove Mfg Co Controls for outrigger assemblies of mobile cranes and the like
US3923407A (en) * 1974-02-06 1975-12-02 Fmc Corp Mechanism for connecting and disconnecting crane sections
US4124226A (en) * 1977-10-06 1978-11-07 Harnischfeger Corporation Electrohydraulic outrigger control system
US4273244A (en) * 1979-01-29 1981-06-16 Fmc Corporation Crane upperstructure self-transferring system
FR2507984A1 (en) * 1981-06-19 1982-12-24 Komatsu Mfg Co Ltd Laterally movable mobile crane - has double acting hydraulic cylinders to actuate outriggers to lift crane sideways

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614760B2 (en) * 1973-07-12 1981-04-06
JPS5549621Y2 (en) * 1974-10-04 1980-11-19
JPS5434361U (en) * 1977-08-11 1979-03-06
GB2005752B (en) * 1977-09-13 1982-01-27 Coal Ind Haulage apparatus for mining machines
DE2903363C2 (en) * 1979-01-29 1981-02-05 Mannesmann Demag Ag, 4100 Duisburg Support device for mobile cranes

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1634769A1 (en) * 1965-10-14 1970-09-17 Demag Baumaschinen Gmbh Control device for excavators or cranes with several hydraulically movable support feet
US3550506A (en) * 1969-05-09 1970-12-29 Grove Mfg Co Controls for outrigger assemblies of mobile cranes and the like
US3923407A (en) * 1974-02-06 1975-12-02 Fmc Corp Mechanism for connecting and disconnecting crane sections
US4124226A (en) * 1977-10-06 1978-11-07 Harnischfeger Corporation Electrohydraulic outrigger control system
US4273244A (en) * 1979-01-29 1981-06-16 Fmc Corporation Crane upperstructure self-transferring system
FR2507984A1 (en) * 1981-06-19 1982-12-24 Komatsu Mfg Co Ltd Laterally movable mobile crane - has double acting hydraulic cylinders to actuate outriggers to lift crane sideways

Also Published As

Publication number Publication date
JPS6012495A (en) 1985-01-22
EP0221578A2 (en) 1987-05-13
EP0124024A3 (en) 1985-11-27
DE3482463D1 (en) 1990-07-19
EP0124024A2 (en) 1984-11-07
DE3474808D1 (en) 1988-12-01
EP0221578B1 (en) 1990-06-13
EP0124024B1 (en) 1988-10-26

Similar Documents

Publication Publication Date Title
GB8412025D0 (en) Crane
DE3364124D1 (en) Hydraulic circuit system for construction machine
GB8329148D0 (en) Hydraulic circuit structure
GB8415840D0 (en) Hoist
GB8332249D0 (en) Hydraulic circuit
GB8430713D0 (en) Hydraulic control circuit
GB8405512D0 (en) Mobile crane
GB2083249B (en) Hydraulic circuit
GB8826154D0 (en) Hydraulic circuit for backhoe
GB8428218D0 (en) Cranes
DE3474808D1 (en) Hydraulic circuit for self-undecking crane
DE3467145D1 (en) Hoist
GB2133378B (en) Hoist
GB2142313B (en) Hydraulic circuit for crane
GB8322422D0 (en) Machine embodying hydraulic circuit
GB8328598D0 (en) Hydraulic digestion
GB2142311B (en) Compact pedestal-mount crane
GB8302447D0 (en) Hydraulic circuit
GB8307629D0 (en) Hoist
ZA847262B (en) Hydraulic device
GB8307777D0 (en) Hydraulic circuit
ZA841256B (en) Hydraulic circuits
JPS55123888A (en) Hydraulic circuit for hydraulic winch
GB8326068D0 (en) Crane
ZA846648B (en) Crane

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19870120

AC Divisional application: reference to earlier application

Ref document number: 124024

Country of ref document: EP

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

RIN1 Information on inventor provided before grant (corrected)

Inventor name: CUHEL, LEON L.

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT

17Q First examination report despatched

Effective date: 19880805

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AC Divisional application: reference to earlier application

Ref document number: 124024

Country of ref document: EP

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19900613

REF Corresponds to:

Ref document number: 3482463

Country of ref document: DE

Date of ref document: 19900719

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: LINK-BELT CONSTRUCTION EQUIPMENT COMPANY

ITF It: translation for a ep patent filed

Owner name: SOCIETA' ITALIANA BREVETTI S.P.A.

EN Fr: translation not filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19910321

Year of fee payment: 8

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: 732

ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19940317

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19940331

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19950418

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19950418

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19960103