FR2571709B1 - Dispositif antiretour de securite pour appareil de levage hydraulique - Google Patents

Dispositif antiretour de securite pour appareil de levage hydraulique

Info

Publication number
FR2571709B1
FR2571709B1 FR8415888A FR8415888A FR2571709B1 FR 2571709 B1 FR2571709 B1 FR 2571709B1 FR 8415888 A FR8415888 A FR 8415888A FR 8415888 A FR8415888 A FR 8415888A FR 2571709 B1 FR2571709 B1 FR 2571709B1
Authority
FR
France
Prior art keywords
hydraulic lifting
return device
lifting apparatus
safety anti
safety
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
FR8415888A
Other languages
English (en)
Other versions
FR2571709A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8415888A priority Critical patent/FR2571709B1/fr
Publication of FR2571709A1 publication Critical patent/FR2571709A1/fr
Application granted granted Critical
Publication of FR2571709B1 publication Critical patent/FR2571709B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/005—Leakage; Spillage; Hose burst
    • 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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/1022—Fluid cut-off devices automatically actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Pipe Accessories (AREA)
FR8415888A 1984-10-17 1984-10-17 Dispositif antiretour de securite pour appareil de levage hydraulique Expired FR2571709B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8415888A FR2571709B1 (fr) 1984-10-17 1984-10-17 Dispositif antiretour de securite pour appareil de levage hydraulique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8415888A FR2571709B1 (fr) 1984-10-17 1984-10-17 Dispositif antiretour de securite pour appareil de levage hydraulique

Publications (2)

Publication Number Publication Date
FR2571709A1 FR2571709A1 (fr) 1986-04-18
FR2571709B1 true FR2571709B1 (fr) 1988-01-15

Family

ID=9308729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8415888A Expired FR2571709B1 (fr) 1984-10-17 1984-10-17 Dispositif antiretour de securite pour appareil de levage hydraulique

Country Status (1)

Country Link
FR (1) FR2571709B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2709154B1 (fr) * 1993-08-17 1995-10-20 Desvigne Claude Jean Dispositif de sécurité pour récepteur hydraulique.
US5381822A (en) * 1993-11-26 1995-01-17 Dana Corporation Relief valve with hydraulic fuse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965919A (en) * 1974-09-26 1976-06-29 Mcgarvey Robert E Hydraulic safety valve base
GB1502234A (en) * 1976-09-01 1978-02-22 Volvo Bm System for preventing a load from falling in the event of a conduit break to a hydraulic cylinder or other hydraulic motor lifting the load
US4274328A (en) * 1977-06-06 1981-06-23 J. I. Case Company Automatic hydraulic shut-off system
FR2398944A1 (fr) * 1977-07-25 1979-02-23 Fasth Ingvard Valve de protection de circuit hydraulique en cas de rupture de tuyauterie
US4265269A (en) * 1979-04-09 1981-05-05 Dolberg Vladimir I Device for automatically cutting off damaged branches of pneumatic and hydraulic systems

Also Published As

Publication number Publication date
FR2571709A1 (fr) 1986-04-18

Similar Documents

Publication Publication Date Title
GB2015461A (en) Hoist safety device
FR2513237B1 (fr) Dispositif de securite pour un equipement de levage
FR2645139B1 (fr) Dispositif de securite pour un engin de levage ou analogue
FR2576349B1 (fr) Appareil elevateur pour echafaudage
JPS5758716A (en) Safety device for off-shore working platform
DK393381A (da) Sikkerhedsanordning for hydraulisk mandskabslift
BE866821A (fr) Dispositif de securite pour filtres a huile et similaires
DE3171768D1 (en) Safety device for hydraulically operated lifting device
JPS56149995A (en) Safety device for crane
FR2571709B1 (fr) Dispositif antiretour de securite pour appareil de levage hydraulique
FR2646870B1 (fr) Dispositif de securite pour couvertures de piscines
FR2523110B1 (fr) Dispositif de securite pour un pont elevateur hydraulique a deux colonnes
EP0057355A3 (en) Hydraulic lifting device
BE881760A (fr) Dispositif de securite pour travaux sur toitures
FR2611192B1 (fr) Dispositif de securite pour treuils de levage
DK105983D0 (da) Sikkerhedsindretning til en haevelig arbejdsplatform
JPS5757191A (en) Safety device for crane
IT1171780B (it) Dispositivo idraulico per regolare un apparecchio di sollevamento
FR2580596B3 (fr) Dispositif de securite pour machine palettiseuse et depalettiseuse
JPS571195A (en) Safety device for crane
IT8124764A0 (it) Procedimento e dispositivo perl'azionamento di un ascensore idraulico.
JPS57199792A (en) Hydraulic safety device for elevator
JPS5727893A (en) Safety device for crane
SE8008593L (sv) Sekerhetsanordning for fordonslyftar
FR2608578B1 (fr) Transmission a engrenages pour appareil elevateur

Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse