JPS5521208B1 - - Google Patents

Info

Publication number
JPS5521208B1
JPS5521208B1 JP3153972A JP3153972A JPS5521208B1 JP S5521208 B1 JPS5521208 B1 JP S5521208B1 JP 3153972 A JP3153972 A JP 3153972A JP 3153972 A JP3153972 A JP 3153972A JP S5521208 B1 JPS5521208 B1 JP S5521208B1
Authority
JP
Japan
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.)
Pending
Application number
JP3153972A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5521208B1 publication Critical patent/JPS5521208B1/ja
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • 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
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/222—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which throttles the main fluid outlet as the piston approaches its end position
JP3153972A 1971-03-29 1972-03-29 Pending JPS5521208B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12882271A 1971-03-29 1971-03-29

Publications (1)

Publication Number Publication Date
JPS5521208B1 true JPS5521208B1 (en) 1980-06-07

Family

ID=22437141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3153972A Pending JPS5521208B1 (en) 1971-03-29 1972-03-29

Country Status (10)

Country Link
US (1) US3704650A (en)
JP (1) JPS5521208B1 (en)
AU (1) AU460377B2 (en)
BE (1) BE779391A (en)
CA (1) CA940014A (en)
DE (1) DE2214032A1 (en)
FR (1) FR2132013B1 (en)
GB (1) GB1342548A (en)
IT (1) IT948664B (en)
SE (1) SE374949B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005337506A (en) * 2004-05-28 2005-12-08 Caterpillar Inc Hydraulic cylinder with snubbing valve

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964370A (en) * 1974-07-15 1976-06-22 Parker-Hannifin Corporation Cushioning means for hydraulic cylinder
US3913451A (en) * 1974-08-30 1975-10-21 Cincinnati Milacron Inc Hydraulic cylinder with cushioning means
US4006666A (en) * 1975-05-22 1977-02-08 Towmotor Corporation Cushioning device for a hydraulic jack
US4033235A (en) * 1976-01-26 1977-07-05 Caterpillar Tractor Co. Fluid operated ram
US4064788A (en) * 1976-07-29 1977-12-27 Parker-Hannifin Corporation Cushioning means for hydraulic cylinder
US4386555A (en) * 1979-02-09 1983-06-07 Sperry Corporation Hydraulic cylinder cushion device
US4424737A (en) * 1980-03-26 1984-01-10 Kabushiki Kaisha Komatsu Seisakusho Stroke cushioning apparatus for hydraulic cylinders
DE3269801D1 (en) * 1981-06-30 1986-04-17 Hitachi Construction Machinery Shock absorbing device for hydraulic cylinder
US4517878A (en) * 1981-10-20 1985-05-21 Hitachi Construction Machinery Co., Ltd. Shock absorbing device for hydraulic cylinder
AU1164083A (en) * 1982-02-11 1983-08-18 Sperry Ltd. Control valve for a fluid operated piston-cylinder assembly
CN1148514C (en) * 1998-05-29 2004-05-05 日立建机株式会社 Oil hydraulic cylinder
DE19836422C2 (en) * 1998-08-12 2002-10-24 Mannesmann Rexroth Ag Pressure operated cylinder
GB9910257D0 (en) * 1999-05-05 1999-06-30 Lucas Ind Plc Piston and cylinder assembly and flow restrictor device therefor
ITTO20050043A1 (en) * 2005-01-27 2006-07-28 Enzo Gusella ACTUATOR DEVICE, IN PARTICULAR FOR A OCTOPUS BUCKET.
JP4851992B2 (en) * 2007-05-22 2012-01-11 カヤバ工業株式会社 Cushion ring and fluid pressure cylinder
US10151333B2 (en) * 2013-02-13 2018-12-11 Safran Landing Systems Canada Inc./ Safran Systèmes d'Atterrissage Canada Inc. Modular actuator with snubbing arrangement
US20220228640A1 (en) * 2019-05-31 2022-07-21 Hydra Dyne Technology Inc. Stroke cushioning in piston and cylinder devices
US11067104B1 (en) * 2020-11-16 2021-07-20 Caterpillar Inc. Integrated cylinder piston and bearing as a hydraulic cushion
US11319972B1 (en) * 2021-05-11 2022-05-03 Caterpillar Inc. Hydraulic cylinder snubbing retention arrangement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493602A (en) * 1947-12-31 1950-01-03 Vance C Sterrett Pressure fluid motor
US2642845A (en) * 1950-12-20 1953-06-23 Westinghouse Air Brake Co Piston cushioning apparatus
US2704996A (en) * 1952-07-17 1955-03-29 Hannifin Corp Fluid operated cylinder with adjustable cushion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005337506A (en) * 2004-05-28 2005-12-08 Caterpillar Inc Hydraulic cylinder with snubbing valve

Also Published As

Publication number Publication date
IT948664B (en) 1973-06-11
GB1342548A (en) 1974-01-03
FR2132013B1 (en) 1978-02-10
AU3775372A (en) 1973-07-12
BE779391A (en) 1972-08-16
US3704650A (en) 1972-12-05
DE2214032A1 (en) 1972-10-12
AU460377B2 (en) 1975-04-24
CA940014A (en) 1974-01-15
FR2132013A1 (en) 1972-11-17
SE374949B (en) 1975-03-24

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