GB1473420A - Control means for hydraulically driven grabs - Google Patents

Control means for hydraulically driven grabs

Info

Publication number
GB1473420A
GB1473420A GB3365274A GB3365274A GB1473420A GB 1473420 A GB1473420 A GB 1473420A GB 3365274 A GB3365274 A GB 3365274A GB 3365274 A GB3365274 A GB 3365274A GB 1473420 A GB1473420 A GB 1473420A
Authority
GB
United Kingdom
Prior art keywords
chambers
pump
liquid
pilot
line
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
GB3365274A
Other languages
English (en)
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.)
Terex Peiner GmbH
Original Assignee
Peiner Maschinen und Schraubenwerke AG
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 Peiner Maschinen und Schraubenwerke AG filed Critical Peiner Maschinen und Schraubenwerke AG
Publication of GB1473420A publication Critical patent/GB1473420A/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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06—Details
    • F15B7/10—Compensation of the liquid content in a system

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
GB3365274A 1973-07-31 1974-07-30 Control means for hydraulically driven grabs Expired GB1473420A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2339204A DE2339204C3 (de) 1973-07-31 1973-07-31 Steuervorrichtung für motorhydraulische Greifer

Publications (1)

Publication Number Publication Date
GB1473420A true GB1473420A (en) 1977-05-11

Family

ID=5888716

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3365274A Expired GB1473420A (en) 1973-07-31 1974-07-30 Control means for hydraulically driven grabs

Country Status (5)

Country Link
DE (1) DE2339204C3 (enrdf_load_stackoverflow)
GB (1) GB1473420A (enrdf_load_stackoverflow)
IT (1) IT1017715B (enrdf_load_stackoverflow)
NO (1) NO742760L (enrdf_load_stackoverflow)
SE (1) SE411378B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236361A (en) * 1989-09-08 1991-04-03 Ingersoll Rand Co Closed loop hydraulic fluid system
GB2266930B (en) * 1992-05-15 1995-12-20 Hoerbiger Ventilwerke Ag Hydraulic arrangement for a vehicle cover
GB2332480A (en) * 1997-12-16 1999-06-23 Smiths Industries Plc Hydraulic apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593796A1 (fr) * 1986-02-04 1987-08-07 Realisa Meca Chaudronneri Et Appareil de manutention verticale de charge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236361A (en) * 1989-09-08 1991-04-03 Ingersoll Rand Co Closed loop hydraulic fluid system
GB2236361B (en) * 1989-09-08 1993-12-01 Ingersoll Rand Co Closed loop hydraulic fluid system
GB2266930B (en) * 1992-05-15 1995-12-20 Hoerbiger Ventilwerke Ag Hydraulic arrangement for a vehicle cover
GB2332480A (en) * 1997-12-16 1999-06-23 Smiths Industries Plc Hydraulic apparatus

Also Published As

Publication number Publication date
SE411378B (sv) 1979-12-17
DE2339204A1 (de) 1975-02-13
DE2339204B2 (de) 1980-05-08
IT1017715B (it) 1977-08-10
NO742760L (enrdf_load_stackoverflow) 1975-02-24
SE7409793L (enrdf_load_stackoverflow) 1975-02-03
DE2339204C3 (de) 1981-01-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee