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
  • B66C23/64—Jibs
  • B66C23/68—Jibs foldable or otherwise adjustable in configuration
• • 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

Landscapes

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

Applications Claiming Priority (1)

Publications (1)

Family

ID=9092227

Family Applications (1)

Country Status (8)

Families Citing this family (3)

Family Cites Families (3)

• 1972
  • 1972-01-14 FR FR7201979A patent/FR2167464B1/fr not_active Expired
• 1973
  • 1973-01-03 IT IT19029/73A patent/IT978010B/it active
  • 1973-01-11 US US322664A patent/US3892316A/en not_active Expired - Lifetime
  • 1973-01-11 NL NL7300396A patent/NL7300396A/xx not_active Application Discontinuation
  • 1973-01-12 BR BR73293A patent/BR7300293D0/pt unknown
  • 1973-01-12 DK DK18873AA patent/DK137376B/da unknown
  • 1973-01-12 JP JP48006956A patent/JPS4881251A/ja active Pending
  • 1973-01-15 GB GB196173A patent/GB1409373A/en not_active Expired

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