Title:
MAST STAY STRUCTURE IN CLIMBING TYPE TOWER CRANE AND CLIMBING METHOD
Document Type and Number:
Japanese Patent JPH07172766
Kind Code:
A
Abstract:
PURPOSE: To provide a mast stay that is climbable without performing its mounting and vice versa one by one at each operation of climbing this mast stay supporting a tower mast.
CONSTITUTION: An expansible raising-up jig 14 is interposed between a cross base 10 of a frame 11 supporting a tower mast 12 and a mast stay 13.
Inventors:
KIUCHI KATSUHISA
Application Number:
JP32394893A
Publication Date:
July 11, 1995
Filing Date:
December 22, 1993
Export Citation:
Assignee:
TAISEI CORP
International Classes:
B66C23/32; (IPC1-7): B66C23/32
Attorney, Agent or Firm:
Dozo Isono