FR2257803B1 - - Google Patents

Info

Publication number
FR2257803B1
FR2257803B1 FR7431131A FR7431131A FR2257803B1 FR 2257803 B1 FR2257803 B1 FR 2257803B1 FR 7431131 A FR7431131 A FR 7431131A FR 7431131 A FR7431131 A FR 7431131A FR 2257803 B1 FR2257803 B1 FR 2257803B1
Authority
FR
France
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
FR7431131A
Other languages
French (fr)
Other versions
FR2257803A1 (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.)
UNITED HYDRAULICS CORP
Original Assignee
UNITED HYDRAULICS CORP
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 UNITED HYDRAULICS CORP filed Critical UNITED HYDRAULICS CORP
Publication of FR2257803A1 publication Critical patent/FR2257803A1/fr
Application granted granted Critical
Publication of FR2257803B1 publication Critical patent/FR2257803B1/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
    • 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
    • F15B15/202—Externally-operated valves mounted in or on the actuator
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
FR7431131A 1973-09-13 1974-09-13 Expired FR2257803B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US396857A US3905279A (en) 1973-09-13 1973-09-13 Piston and cylinder assembly with external mechanical lock

Publications (2)

Publication Number Publication Date
FR2257803A1 FR2257803A1 (en) 1975-08-08
FR2257803B1 true FR2257803B1 (en) 1978-06-09

Family

ID=23568905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7431131A Expired FR2257803B1 (en) 1973-09-13 1974-09-13

Country Status (4)

Country Link
US (1) US3905279A (en)
CA (1) CA1020052A (en)
DE (1) DE2443284A1 (en)
FR (1) FR2257803B1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073345A (en) * 1977-02-14 1978-02-14 Miller Maurice E Disc harrow wheel lock-down with depth control adjustment structure
DE2826610A1 (en) * 1978-06-19 1980-01-03 Bosch Gmbh Robert VALVE ARRANGEMENT FOR A HYDRAULIC CONSUMER
JPS6018645Y2 (en) * 1979-02-23 1985-06-06 アイシン精機株式会社 Actuator stroke adjustment device
US4449734A (en) * 1982-07-07 1984-05-22 Hydra-Jack, Inc. Mechanical locking outrigger hydraulic jack for an outrigger assembly
US4469014A (en) * 1983-06-13 1984-09-04 Deere & Company Cylinder spacer
US4463659A (en) * 1983-10-27 1984-08-07 Deere & Company Cylinder stroke limiter
US4641725A (en) * 1984-08-27 1987-02-10 Conoco Inc. Wide dynamic range hydraulic vibrator
US4787781A (en) * 1987-05-14 1988-11-29 Walter Lipscomb Shoring device
US5133245A (en) * 1991-04-12 1992-07-28 P. L. Porter Company Continuously adjustable stroke limiter for hydraulic positioner
US5513555A (en) * 1994-01-21 1996-05-07 Michael J. Plank Quick-release cam lock with locking pin
US5868060A (en) * 1994-01-24 1999-02-09 Speed Shore Corp. Quick-release cam lock
US5499890A (en) * 1994-07-08 1996-03-19 Americ Corporation Trench shoring device with locking mechanism
US6105484A (en) * 1998-10-23 2000-08-22 Kalthoff; Gene Lockout device for valve actuators
US6282893B1 (en) 1999-08-19 2001-09-04 Delaware Capital Formation, Inc. Self-contained actuator
US6516706B2 (en) 1999-08-19 2003-02-11 Delaware Capital Formation, Inc. Actuator having internal valve structure
DE102009009944B4 (en) * 2009-02-20 2011-02-24 Terex-Demag Gmbh Securing and bolting unit
US20110016881A1 (en) * 2009-07-21 2011-01-27 Jose Luis Ruiz Gas turbine with exhaust gas casing and method for producing a gas turbine
US20130247753A1 (en) * 2012-03-22 2013-09-26 Actuant Corporation Fluid Cylinder Assembly Having Automatic Stroke Shutoff
US8931246B2 (en) 2012-12-06 2015-01-13 Cnh Industrial America Llc Automatically engaging and disengaging header lock assembly
FR3017556B1 (en) * 2014-02-14 2016-09-16 Snecma PART CLAMPING SYSTEM AND METHOD FOR SEALING THE INTERNAL VIROL OF A TURBOMACHINE LOW PRESSURE RECTIFIER
US10018009B2 (en) * 2015-02-26 2018-07-10 Cameron International Corporation Locking apparatus
US10287837B2 (en) * 2016-08-02 2019-05-14 Cameron International Corporation Hydraulic timing device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US38606A (en) * 1863-05-19 Improvement in hydraulic presses
US1711549A (en) * 1926-11-08 1929-05-07 Watson Stillman Co Hydraulic jack
US2408181A (en) * 1942-01-22 1946-09-24 Joyce Cridland Co Lifting mechanism
US2736294A (en) * 1951-08-09 1956-02-28 Smith Corp A O Adjustable stroke ram and piston assembly
US3005669A (en) * 1959-10-23 1961-10-24 Galland Henning Mfg Company Fluid pressure cylinder
US3141390A (en) * 1960-09-20 1964-07-21 Symington Wayne Corp Lifting device
US3045649A (en) * 1960-11-29 1962-07-24 Leland F Blatt Double acting tool and die cylinder
US3335642A (en) * 1965-01-08 1967-08-15 Borje O Rosaen Cylinder construction
US3420148A (en) * 1965-03-12 1969-01-07 Richard E Doerfer Holding device
US3301140A (en) * 1965-05-03 1967-01-31 Duff Norton Co Expansible shielding means
US3407710A (en) * 1966-12-14 1968-10-29 Alpha Press Company Stroke adjustment means for cylinder and piston assembly

Also Published As

Publication number Publication date
FR2257803A1 (en) 1975-08-08
CA1020052A (en) 1977-11-01
DE2443284A1 (en) 1975-03-20
US3905279A (en) 1975-09-16

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Legal Events

Date Code Title Description
ST Notification of lapse