JPS628290U

JPS628290U -

Info

Publication number: JPS628290U
Application number: JP9988985U
Authority: JP
Priority date: 1985-06-28
Filing date: 1985-06-28
Publication date: 1987-01-19

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す側面図、第２図
は同部分拡大側面図、第３図は第２図―線、
第４図は同―線にそれぞれ沿う断面図、第５
図は手摺り支柱を折畳み格納した状態の第２図相
当図、第６図は第５図―線に沿う断面図、第
７図は足場板のみからなる従来装置を示す平面図
である。１……ジブ、２……足場板、３……手摺り支柱
、３１……ピン（突起）、５……ブラケツト、５
１……長孔、５２，５３……切欠部、７……クラ
ンプ部材（固定部材）。 Fig. 1 is a side view showing an embodiment of the present invention, Fig. 2 is an enlarged side view of the same part, Fig. 3 is a line drawn from Fig. 2,
Figure 4 is a sectional view taken along the same line, and Figure 5 is a cross-sectional view taken along the same line.
The figure is a view corresponding to FIG. 2 with the handrail column folded and stored, FIG. 6 is a sectional view taken along the line of FIG. 5, and FIG. 7 is a plan view showing a conventional device consisting only of scaffolding boards. 1... Jib, 2... Scaffolding board, 3... Handrail post, 31... Pin (protrusion), 5... Bracket, 5
1... Long hole, 52, 53... Notch, 7... Clamp member (fixing member).

Claims

[Scope of utility model registration request]

A scaffolding board is attached to the back of the crane jib, and a tubular bracket is attached to the side of this scaffolding board that extends vertically when the jib is in a horizontal position. is a vertically elongated hole, and the handrail support is provided with a protrusion that engages with this elongated hole, and the protrusion is positioned at the top of the elongated hole at the upper end of the bracket peripheral wall, using this protrusion as a fulcrum. A notch is provided to allow the handrail support to rotate to the folded position along the side surface of the scaffold board, and a fixing member is provided on the side of the scaffold board to fix the handrail support in the folded position. A crane jib work scaffolding device characterized by: