AU604673B2 - Hydraulic cylinder-piston unit with mechanical safety stop - Google Patents

Hydraulic cylinder-piston unit with mechanical safety stop Download PDF

Info

Publication number
AU604673B2
AU604673B2 AU68313/87A AU6831387A AU604673B2 AU 604673 B2 AU604673 B2 AU 604673B2 AU 68313/87 A AU68313/87 A AU 68313/87A AU 6831387 A AU6831387 A AU 6831387A AU 604673 B2 AU604673 B2 AU 604673B2
Authority
AU
Australia
Prior art keywords
cylinder
piston
rod
piston unit
stop member
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.)
Ceased
Application number
AU68313/87A
Other languages
English (en)
Other versions
AU6831387A (en
Inventor
Eride Rossato
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
Publication of AU6831387A publication Critical patent/AU6831387A/en
Application granted granted Critical
Publication of AU604673B2 publication Critical patent/AU604673B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/30—Constructional features with positive brakes or locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/0641—Single levers, e.g. parallel links
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Braking Systems And Boosters (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Types And Forms Of Lifts (AREA)
  • Hydraulic Motors (AREA)
AU68313/87A 1985-12-05 1986-12-02 Hydraulic cylinder-piston unit with mechanical safety stop Ceased AU604673B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT84159/85 1985-12-05
IT8584159A IT1214977B (it) 1985-12-05 1985-12-05 Martinetto fluodinamico provvistodi dispositivo meccanico disicurezza, particolarmente per ponti sollevatori a pantografo per autoveicoli.

Publications (2)

Publication Number Publication Date
AU6831387A AU6831387A (en) 1987-06-30
AU604673B2 true AU604673B2 (en) 1991-01-03

Family

ID=11324937

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68313/87A Ceased AU604673B2 (en) 1985-12-05 1986-12-02 Hydraulic cylinder-piston unit with mechanical safety stop

Country Status (10)

Country Link
EP (2) EP0224914B1 (de)
AT (1) ATE53896T1 (de)
AU (1) AU604673B2 (de)
CA (1) CA1302206C (de)
DE (1) DE3670888D1 (de)
ES (1) ES2013593B3 (de)
GR (1) GR3000525T3 (de)
IL (1) IL80838A (de)
IT (1) IT1214977B (de)
WO (1) WO1987003655A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1237417B (it) * 1989-01-18 1993-06-01 Eride Rossato Dispositivo sollevatore di autoveicoli, particolarmente per carrozzerie.
IT1282522B1 (it) * 1995-05-19 1998-03-23 Eride Rossato Ponte sollevatore a pantografo per autoveicoli
AU701019B2 (en) * 1995-11-14 1999-01-21 Hilland Pty Ltd Trading As Edmo Equipment Vehicle jack and stand

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2540578A (en) * 1945-09-27 1951-02-06 Lockheed Aircraft Corp Hydraulic internal locking jack
AU8484682A (en) * 1982-06-11 1983-12-15 Terrance Arthur Baroody Tubing tee joint
AU557669B2 (en) * 1981-08-04 1987-01-08 Alfarm Australia Limited Hydraulic cylinder with locking mechanism

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE211847C (de) *
USRE25334E (en) * 1963-02-19 Piston cylinder apparatus
GB211412A (en) * 1923-07-23 1924-02-21 Charles Frederick Webb Improvements relating to pneumatic lifting jacks
GB490886A (en) * 1936-11-27 1938-08-23 Servo Frein Dewandre Sa Control device with pre-determined successive positions
FR952142A (fr) * 1946-08-15 1949-11-09 C V Fabriek Voor Auto En Machb Système de blocage et de freinage
US3020888A (en) * 1959-07-02 1962-02-13 Gen Electric Linear motion-producing device with lock
US3104593A (en) * 1960-12-28 1963-09-24 Regent Jack Mfg Co Inc Fluid actuators
US3180234A (en) * 1963-07-25 1965-04-27 Jarry Hydraulics Ltd Dual-position lockable actuator
IL67722A0 (en) * 1982-02-05 1983-05-15 Plessey Overseas Container with memory

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2540578A (en) * 1945-09-27 1951-02-06 Lockheed Aircraft Corp Hydraulic internal locking jack
AU557669B2 (en) * 1981-08-04 1987-01-08 Alfarm Australia Limited Hydraulic cylinder with locking mechanism
AU8484682A (en) * 1982-06-11 1983-12-15 Terrance Arthur Baroody Tubing tee joint

Also Published As

Publication number Publication date
ATE53896T1 (de) 1990-06-15
EP0224914B1 (de) 1990-03-07
GR3000525T3 (en) 1991-07-31
EP0224914A1 (de) 1987-06-10
IT1214977B (it) 1990-01-31
IL80838A0 (en) 1987-03-31
ES2013593B3 (es) 1990-05-16
DE3670888D1 (de) 1990-06-07
AU6831387A (en) 1987-06-30
IL80838A (en) 1991-01-31
WO1987003655A1 (en) 1987-06-18
EP0293368A1 (de) 1988-12-07
CA1302206C (en) 1992-06-02
EP0293368B1 (de) 1990-05-02
IT8584159A0 (it) 1985-12-05

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