FR2235868B1 - - Google Patents

Info

Publication number
FR2235868B1
FR2235868B1 FR7324598A FR7324598A FR2235868B1 FR 2235868 B1 FR2235868 B1 FR 2235868B1 FR 7324598 A FR7324598 A FR 7324598A FR 7324598 A FR7324598 A FR 7324598A FR 2235868 B1 FR2235868 B1 FR 2235868B1
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
FR7324598A
Other languages
French (fr)
Other versions
FR2235868A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7324598A priority Critical patent/FR2235868B1/fr
Publication of FR2235868A1 publication Critical patent/FR2235868A1/fr
Application granted granted Critical
Publication of FR2235868B1 publication Critical patent/FR2235868B1/fr
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
    • B66C23/84—Slewing gear
    • 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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/28—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
    • B66C23/32—Self-hoisting cranes
    • 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
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
FR7324598A 1973-07-04 1973-07-04 Expired FR2235868B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7324598A FR2235868B1 (en) 1973-07-04 1973-07-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7324598A FR2235868B1 (en) 1973-07-04 1973-07-04

Publications (2)

Publication Number Publication Date
FR2235868A1 FR2235868A1 (en) 1975-01-31
FR2235868B1 true FR2235868B1 (en) 1977-02-18

Family

ID=9122081

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7324598A Expired FR2235868B1 (en) 1973-07-04 1973-07-04

Country Status (1)

Country Link
FR (1) FR2235868B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4953722A (en) * 1988-11-09 1990-09-04 The Manitowoc Company, Inc. Crane and lift enhancing beam attachment with moveable counterweight
CN107697818B (en) * 2017-10-17 2023-10-17 郑州科润机电工程有限公司 Construction method and special construction equipment for wall of prestressed concrete wind power tower

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1278611A (en) * 1959-03-04 1961-12-15 Boom foot translation device for crane on automobile chassis
US3217896A (en) * 1962-11-06 1965-11-16 Cannella Gaspari Self-elevating building crane
US3148778A (en) * 1962-12-03 1964-09-15 American Hoist & Derrick Co Stiff leg derrick
US3250400A (en) * 1964-10-26 1966-05-10 Robert F Bennett Rotary crane with split race bull wheel

Also Published As

Publication number Publication date
FR2235868A1 (en) 1975-01-31

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Legal Events

Date Code Title Description
ST Notification of lapse