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FR1272032A - Perfectionnement aux vérins hydrauliques ou pneumatiques - Google Patents

Perfectionnement aux vérins hydrauliques ou pneumatiques

Info

Publication number
FR1272032A
FR1272032A FR831568A FR831568A FR1272032A FR 1272032 A FR1272032 A FR 1272032A FR 831568 A FR831568 A FR 831568A FR 831568 A FR831568 A FR 831568A FR 1272032 A FR1272032 A FR 1272032A
Authority
FR
France
Prior art keywords
hydraulic
improvement
pneumatic cylinders
pneumatic
cylinders
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
Application number
FR831568A
Other languages
English (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.)
Stothert and Pitt Ltd
Original Assignee
Stothert and Pitt Ltd
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 Stothert and Pitt Ltd filed Critical Stothert and Pitt Ltd
Priority to FR831568A priority Critical patent/FR1272032A/fr
Application granted granted Critical
Publication of FR1272032A publication Critical patent/FR1272032A/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
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/224—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston which closes off fluid outlets in the cylinder bore by its own movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0392—Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR831568A 1960-06-30 1960-06-30 Perfectionnement aux vérins hydrauliques ou pneumatiques Expired FR1272032A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR831568A FR1272032A (fr) 1960-06-30 1960-06-30 Perfectionnement aux vérins hydrauliques ou pneumatiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR831568A FR1272032A (fr) 1960-06-30 1960-06-30 Perfectionnement aux vérins hydrauliques ou pneumatiques

Publications (1)

Publication Number Publication Date
FR1272032A true FR1272032A (fr) 1961-09-22

Family

ID=8734529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831568A Expired FR1272032A (fr) 1960-06-30 1960-06-30 Perfectionnement aux vérins hydrauliques ou pneumatiques

Country Status (1)

Country Link
FR (1) FR1272032A (fr)

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