FR685305A - Hydraulic cylinder control system - Google Patents

Hydraulic cylinder control system

Info

Publication number
FR685305A
FR685305A FR685305DA FR685305A FR 685305 A FR685305 A FR 685305A FR 685305D A FR685305D A FR 685305DA FR 685305 A FR685305 A FR 685305A
Authority
FR
France
Prior art keywords
control system
hydraulic cylinder
cylinder control
hydraulic
cylinder
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
Other languages
French (fr)
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.)
Compagnie Generale des Etablissements Michelin SCA
Original Assignee
Compagnie Generale des Etablissements Michelin SCA
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 Compagnie Generale des Etablissements Michelin SCA filed Critical Compagnie Generale des Etablissements Michelin SCA
Application granted granted Critical
Publication of FR685305A publication Critical patent/FR685305A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
    • E21D15/587—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded by means of power accumulators to be pre-charged by rock pressure
FR685305D 1929-11-21 1929-11-21 Hydraulic cylinder control system Expired FR685305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR685305T 1929-11-21

Publications (1)

Publication Number Publication Date
FR685305A true FR685305A (en) 1930-07-09

Family

ID=9024905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685305D Expired FR685305A (en) 1929-11-21 1929-11-21 Hydraulic cylinder control system

Country Status (1)

Country Link
FR (1) FR685305A (en)

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