EP0671513A1 - Vorrichtung zum Entriegeln eines drehbaren Nockens insbesondere für Schaufellader - Google Patents

Vorrichtung zum Entriegeln eines drehbaren Nockens insbesondere für Schaufellader Download PDF

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Publication number
EP0671513A1
EP0671513A1 EP95400456A EP95400456A EP0671513A1 EP 0671513 A1 EP0671513 A1 EP 0671513A1 EP 95400456 A EP95400456 A EP 95400456A EP 95400456 A EP95400456 A EP 95400456A EP 0671513 A1 EP0671513 A1 EP 0671513A1
Authority
EP
European Patent Office
Prior art keywords
shaft
cam
piston
bucket
unlock
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.)
Granted
Application number
EP95400456A
Other languages
English (en)
French (fr)
Other versions
EP0671513B1 (de
Inventor
Marcel Morin
Jacques Morin
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.)
A RESPONSABILITE MORIN FRERES Ltee Ste
Original Assignee
A RESPONSABILITE MORIN FRERES Ltee Ste
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 A RESPONSABILITE MORIN FRERES Ltee Ste filed Critical A RESPONSABILITE MORIN FRERES Ltee Ste
Publication of EP0671513A1 publication Critical patent/EP0671513A1/de
Application granted granted Critical
Publication of EP0671513B1 publication Critical patent/EP0671513B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
    • F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
    • F15B15/065—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement the motor being of the rack-and-pinion type
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3663—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated

Definitions

  • the present invention relates to a device for unlocking a rotary cam.
  • European Patent No. 438931 which relates to a device for automatically fixing a bucket to the end of the arm of a loader by means of a hooking member comprising rotary cams which provide a locking function, said cams, under the action of springs bearing against a shaft carried by said bucket.
  • the device of the invention which overcomes this drawback, is remarkable in that the body of the cam is integral with a cylinder comprising a piston whose displacement, under the effect of a fluid introduced into said cylinder, is likely to rotate the cam against the action of its return spring.
  • FIG. 1 shows an assembly to which, among other things, the device of the invention can be applied, it can be seen that the bucket 1 is attached to the end of an arm 2 by means of an attachment member 3.
  • the attachment member comprises a shaft 4, on which are rotatable cams 5, and the bucket 1 has a shaft 6 under which said cams can bear by pivoting according to arrow F1 under the action of springs.
  • the rear part of the bucket 1 has a cradle in which the shaft 5 is housed during the pivoting of the attachment member 3.
  • This device allowed the automatic attachment of the bucket, but to perform its stall, the operator of the machine had to get off and manually rotate the cams 5 in the opposite direction to the arrow F1 to unlock said bucket.
  • the aim of the present invention which overcomes this drawback, is to propose a device which, for example, applied to the bucket described with reference to FIG. 1, will allow the user to perform the unlocking without having to intervene manually, therefore, according to the example chosen, without getting off his machine.
  • the cam 5 is mounted freely in rotation on the shaft 4 belonging to a movable member relative to a second member comprising the shaft 6 or any stop capable of fulfilling the same function.
  • the shaft 4 is immobilized in rotation relative to its support, that is to say, in the case of the example of FIG. 1, relative to the attachment member 3.
  • this result is obtained by providing on the body of the cam 5 a cylinder 7 having a piston 8 whose movement, under the effect of a fluid introduced into said cylinder, causes said cam to pivot according to the arrow F2.
  • the shaft 4 has teeth 9 engaged with teeth 10 provided on the head 8a of the piston 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Shovels (AREA)
  • Gears, Cams (AREA)
  • Hydraulic Motors (AREA)
  • Transmission Devices (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pinball Game Machines (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
EP95400456A 1994-03-11 1995-03-03 Vorrichtung zum Entriegeln eines drehbaren Nockens insbesondere für Schaufellader Expired - Lifetime EP0671513B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9402821 1994-03-11
FR9402821A FR2717198B1 (fr) 1994-03-11 1994-03-11 Dispositif pour déverrouiller une came rotative.

Publications (2)

Publication Number Publication Date
EP0671513A1 true EP0671513A1 (de) 1995-09-13
EP0671513B1 EP0671513B1 (de) 1998-10-07

Family

ID=9460920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95400456A Expired - Lifetime EP0671513B1 (de) 1994-03-11 1995-03-03 Vorrichtung zum Entriegeln eines drehbaren Nockens insbesondere für Schaufellader

Country Status (6)

Country Link
EP (1) EP0671513B1 (de)
AT (1) ATE171991T1 (de)
DE (1) DE69505167T2 (de)
DK (1) DK0671513T3 (de)
ES (1) ES2124974T3 (de)
FR (1) FR2717198B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2900168A1 (fr) * 2006-04-21 2007-10-26 Morin Soc Par Actions Simplifi Coupleur pour engin de travaux a deverrouillage mixte

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0578447A1 (de) * 1992-07-04 1994-01-12 Fermec Manufacturing Limited Kupplungsvorrichtung für Werkzeuge
EP0598689A1 (de) * 1992-10-16 1994-05-25 Ingenjörsfirma Rason Aktiebolag Aktuator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0578447A1 (de) * 1992-07-04 1994-01-12 Fermec Manufacturing Limited Kupplungsvorrichtung für Werkzeuge
EP0598689A1 (de) * 1992-10-16 1994-05-25 Ingenjörsfirma Rason Aktiebolag Aktuator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2900168A1 (fr) * 2006-04-21 2007-10-26 Morin Soc Par Actions Simplifi Coupleur pour engin de travaux a deverrouillage mixte
WO2007122317A1 (fr) * 2006-04-21 2007-11-01 Morin S.A.S. Coupleur pour engin de travaux a deverrouillage mixte

Also Published As

Publication number Publication date
ATE171991T1 (de) 1998-10-15
DE69505167T2 (de) 1999-04-22
DE69505167D1 (de) 1998-11-12
DK0671513T3 (da) 1999-06-21
FR2717198B1 (fr) 1996-04-05
ES2124974T3 (es) 1999-02-16
FR2717198A1 (fr) 1995-09-15
EP0671513B1 (de) 1998-10-07

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