Title:
MAIN ROPE STRUT
Document Type and Number:
Japanese Patent JP3853780
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a platform scaffold for a stairway capable of eliminating such complicated operations as disassembly and assembly, easily movable, and having high safety.
SOLUTION: This main rope strut comprises a top plate 1 and a leg part supporting the top plate 1 from the underside. The leg part comprises short leg parts 2 having different lengths and a long leg part 3. An extension fixing mechanism 35 is installed in the long leg part 3, and connection parts between the top plate 1 and the leg parts 2 and 3 are formed in foldable structures. The strut also comprises a rotating handrail 11, and the rotating handrail 11 comprises a handrail bar rotating shaft 23 at the rear part. In ascending, a worker ascends from the short leg part 2 side while opening the rotating handrail 11.
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Inventors:
Yutaka Morita
Hiroshi Eda
Ryuji Nagumo
Hiroshi Eda
Ryuji Nagumo
Application Number:
JP2003390664A
Publication Date:
December 06, 2006
Filing Date:
November 20, 2003
Export Citation:
Assignee:
Holly Engineering Co., Ltd.
International Classes:
E04G21/32; B63B9/00; (IPC1-7): E04G21/32; B63B9/00
Domestic Patent References:
| JP2004194897A | ||||
| JP6067697U | ||||
| JP4032909B2 | ||||
| JP2527123B2 |
Attorney, Agent or Firm:
Hiroshi Sano
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