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
  • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
• • 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
  • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
  • B66C23/344—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes adapted for transport purposes

Landscapes

• Engineering & Computer Science (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Structural Engineering (AREA)
• Jib Cranes (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9098961

Family Applications (1)

Country Status (7)

Families Citing this family (7)

Family Cites Families (1)

• 1972
  • 1972-05-17 FR FR7218380A patent/FR2184544B1/fr not_active Expired
• 1973
  • 1973-03-27 IT IT2224173A patent/IT981681B/en active
  • 1973-04-18 GB GB1881873A patent/GB1415928A/en not_active Expired
  • 1973-04-27 DE DE19732321421 patent/DE2321421A1/en not_active Ceased
  • 1973-05-11 JP JP5306473A patent/JPS5643992B2/ja not_active Expired
  • 1973-05-17 BR BR363873A patent/BR7303638D0/en unknown
  • 1973-05-17 ES ES414855A patent/ES414855A1/en not_active Expired

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