EP0224446A3 - A hydraulic load limiting device for hydraulic cranes - Google Patents

A hydraulic load limiting device for hydraulic cranes

Info

Publication number
EP0224446A3
EP0224446A3 EP86830202A EP86830202A EP0224446A3 EP 0224446 A3 EP0224446 A3 EP 0224446A3 EP 86830202 A EP86830202 A EP 86830202A EP 86830202 A EP86830202 A EP 86830202A EP 0224446 A3 EP0224446 A3 EP 0224446A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic
limiting device
cranes
load limiting
hydraulic load
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
EP86830202A
Other versions
EP0224446B1 (en
EP0224446A2 (en
Inventor
Andrea Storci
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.)
Oil Control SpA
Original Assignee
Oil Control SpA
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
Priority claimed from IT40128/85A external-priority patent/IT1187219B/en
Priority claimed from IT40135/85A external-priority patent/IT1202291B/en
Priority claimed from IT40016/86A external-priority patent/IT1189792B/en
Application filed by Oil Control SpA filed Critical Oil Control SpA
Publication of EP0224446A2 publication Critical patent/EP0224446A2/en
Publication of EP0224446A3 publication Critical patent/EP0224446A3/en
Application granted granted Critical
Publication of EP0224446B1 publication Critical patent/EP0224446B1/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
    • B66C23/88—Safety gear
    • B66C23/90—Devices for indicating or limiting lifting moment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
EP19860830202 1985-11-27 1986-07-15 A hydraulic load limiting device for hydraulic cranes Expired EP0224446B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
IT4012885 1985-11-27
IT40128/85A IT1187219B (en) 1985-11-27 1985-11-27 Hydraulic load limiting device for hydraulic crane
IT4013585 1985-12-20
IT40135/85A IT1202291B (en) 1985-12-20 1985-12-20 Hydraulic load limiting device for hydraulic crane
IT4001686 1986-02-28
IT40016/86A IT1189792B (en) 1986-02-28 1986-02-28 Hydraulic load limiting device for hydraulic crane

Publications (3)

Publication Number Publication Date
EP0224446A2 EP0224446A2 (en) 1987-06-03
EP0224446A3 true EP0224446A3 (en) 1988-07-13
EP0224446B1 EP0224446B1 (en) 1991-04-24

Family

ID=27273594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860830202 Expired EP0224446B1 (en) 1985-11-27 1986-07-15 A hydraulic load limiting device for hydraulic cranes

Country Status (2)

Country Link
EP (1) EP0224446B1 (en)
DE (1) DE3678905D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5058752A (en) * 1990-03-20 1991-10-22 Simon-R.O. Corporation Boom overload warning and control system
US5597080A (en) * 1994-08-02 1997-01-28 Kranco Crane Services, Inc. Snag load protection system for a crane
US10316495B2 (en) * 2014-06-18 2019-06-11 Cnh Industrial America Llc Safety hydraulic circuit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1531187A1 (en) * 1966-07-21 1969-07-31 Grove Mfg Co Safety load control device for cranes
US3854593A (en) * 1971-12-24 1974-12-17 S Gross Overload switch-off device for hydraulic lifting or adjusting mechanisms connected in tandem, in particular for hydraulic loading and unloading cranes
GB2078197A (en) * 1980-06-04 1982-01-06 Hiab Foco Ab Load limiting device
DE3414183A1 (en) * 1984-04-14 1985-10-24 Robert Bosch Gmbh, 7000 Stuttgart HYDRAULIC OVERLOAD PROTECTION DEVICE FOR A LOADING CRANE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1531187A1 (en) * 1966-07-21 1969-07-31 Grove Mfg Co Safety load control device for cranes
US3854593A (en) * 1971-12-24 1974-12-17 S Gross Overload switch-off device for hydraulic lifting or adjusting mechanisms connected in tandem, in particular for hydraulic loading and unloading cranes
GB2078197A (en) * 1980-06-04 1982-01-06 Hiab Foco Ab Load limiting device
DE3414183A1 (en) * 1984-04-14 1985-10-24 Robert Bosch Gmbh, 7000 Stuttgart HYDRAULIC OVERLOAD PROTECTION DEVICE FOR A LOADING CRANE

Also Published As

Publication number Publication date
DE3678905D1 (en) 1991-05-29
EP0224446B1 (en) 1991-04-24
EP0224446A2 (en) 1987-06-03

Similar Documents

Publication Publication Date Title
GB2179901B (en) Device for carrying a load
DE3664455D1 (en) A hydraulic lifting table
GB2169685B (en) A hydraulic positioning device
AU6595186A (en) Device for a load carrying unit
GB2184420B (en) Crane boom
GB2179618B (en) Cranes
GB2174359B (en) Load lifting apparatus
GB8918357D0 (en) Counter-loading arrangement for jib cranes
GB8614343D0 (en) Crane
AU579296B2 (en) Protective device for a load
GB8505079D0 (en) Load lifting & support device
EP0224446A3 (en) A hydraulic load limiting device for hydraulic cranes
GB2173473B (en) Crane
GB2172574B (en) Movable crane
GB2192029B (en) A hydraulic lifting arrangement
GB8520650D0 (en) Double handled windlass
GB2193945B (en) A hydraulic crane
GB2175873B (en) Load carrying device
GB2169577B (en) Boom of a load-lifting device
PL266402A1 (en) A device for load lifting
PL265288A3 (en) Hydraulic hoist
GB8426967D0 (en) Load lifting device
SU1175756A2 (en) Load hoisting device for vehicle
BG47795A3 (en) Rope hoisting device
BG38686A1 (en) Hoisting device

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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT SE

17P Request for examination filed

Effective date: 19881107

17Q First examination report despatched

Effective date: 19891005

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT SE

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

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19910424

Ref country code: SE

Effective date: 19910424

ET Fr: translation filed
REF Corresponds to:

Ref document number: 3678905

Country of ref document: DE

Date of ref document: 19910529

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

Ref country code: GB

Effective date: 19910724

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

GBPC Gb: european patent ceased through non-payment of renewal fee
26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19920707

Year of fee payment: 7

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

Ref country code: DE

Payment date: 19920727

Year of fee payment: 7

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

Ref country code: FR

Effective date: 19940331

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

Ref country code: DE

Effective date: 19940401

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST