CA1302206C - Hydraulic cylinder-piston unit with a safety device - Google Patents

Hydraulic cylinder-piston unit with a safety device

Info

Publication number
CA1302206C
CA1302206C CA000524460A CA524460A CA1302206C CA 1302206 C CA1302206 C CA 1302206C CA 000524460 A CA000524460 A CA 000524460A CA 524460 A CA524460 A CA 524460A CA 1302206 C CA1302206 C CA 1302206C
Authority
CA
Canada
Prior art keywords
cylinder
piston
stop member
rod
piston unit
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 - Lifetime
Application number
CA000524460A
Other languages
English (en)
French (fr)
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
Application granted granted Critical
Publication of CA1302206C publication Critical patent/CA1302206C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Braking Systems And Boosters (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Types And Forms Of Lifts (AREA)
  • Hydraulic Motors (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
CA000524460A 1985-12-05 1986-12-03 Hydraulic cylinder-piston unit with a safety device Expired - Lifetime CA1302206C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8584159A IT1214977B (it) 1985-12-05 1985-12-05 Martinetto fluodinamico provvistodi dispositivo meccanico disicurezza, particolarmente per ponti sollevatori a pantografo per autoveicoli.
IT84159A/85 1985-12-05

Publications (1)

Publication Number Publication Date
CA1302206C true CA1302206C (en) 1992-06-02

Family

ID=11324937

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000524460A Expired - Lifetime CA1302206C (en) 1985-12-05 1986-12-03 Hydraulic cylinder-piston unit with a safety device

Country Status (10)

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

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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE25334E (en) * 1963-02-19 Piston cylinder apparatus
DE211847C (it) *
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
US2540578A (en) * 1945-09-27 1951-02-06 Lockheed Aircraft Corp Hydraulic internal locking jack
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
AU557669B2 (en) * 1981-08-04 1987-01-08 Alfarm Australia Limited Hydraulic cylinder with locking mechanism
IL67722A0 (en) * 1982-02-05 1983-05-15 Plessey Overseas Container with memory
AU548927B2 (en) * 1982-06-11 1986-01-09 Terrance Arthur Baroody Tubing tee joint

Also Published As

Publication number Publication date
AU6831387A (en) 1987-06-30
ES2013593B3 (es) 1990-05-16
IL80838A (en) 1991-01-31
AU604673B2 (en) 1991-01-03
EP0293368B1 (en) 1990-05-02
EP0224914A1 (en) 1987-06-10
EP0224914B1 (en) 1990-03-07
IL80838A0 (en) 1987-03-31
IT1214977B (it) 1990-01-31
ATE53896T1 (de) 1990-06-15
EP0293368A1 (en) 1988-12-07
GR3000525T3 (en) 1991-07-31
WO1987003655A1 (en) 1987-06-18
IT8584159A0 (it) 1985-12-05
DE3670888D1 (de) 1990-06-07

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