JPS6162960U

JPS6162960U -

Info

Publication number: JPS6162960U
Application number: JP14577484U
Authority: JP
Priority date: 1984-09-28
Filing date: 1984-09-28
Publication date: 1986-04-28

Description

[Brief explanation of the drawing]

第１図は本考案一実施例の側面図、第２図は上
、下板部材の斜視図、第３図はブーム本体の側面
図、第４図は第３図Ａ−Ａ線に沿う断面図、第５
図は第３図Ｂ−Ｂ線に沿う断面図、第６図は第３
図Ｃ−Ｃ線に沿う断面図、第７図は第１図Ｄ−Ｄ
線に沿う断面図、第８図は従来のブーム構造の側
面図、第９図は第８図Ｅ−Ｅ線に沿う断面図、第
１０図は第８図Ｆ−Ｆ線に沿う断面図、第１１図
は第８図Ｇ−Ｇ線に沿う断面図、第１２図は第８
図Ｈ部の斜視図、第１３図はブーム本体後部の斜
視図、第１４図は第１３図Ｉ−Ｉ線に沿う断面図
である。１０，１１は上、下板部材、１４，１５は仕切
板部材、１８，１９は側面板部材、２０はブーム
本体。 Figure 1 is a side view of one embodiment of the present invention, Figure 2 is a perspective view of the upper and lower plate members, Figure 3 is a side view of the boom body, and Figure 4 is a cross section taken along the line A-A in Figure 3. Figure, 5th
The figure is a sectional view taken along the line B-B in Figure 3, and Figure 6 is a cross-sectional view along the line B-B in Figure 3.
A cross-sectional view along the line C-C in Figure 7, Figure 1 D-D
8 is a side view of a conventional boom structure; FIG. 9 is a sectional view taken along line E-E in FIG. 8; FIG. 10 is a sectional view taken along line FF in FIG. Figure 11 is a sectional view taken along the line G-G in Figure 8, and Figure 12 is a cross-sectional view of Figure 8.
FIG. 13 is a perspective view of the rear part of the boom main body, and FIG. 14 is a sectional view taken along the line II in FIG. 13. 10 and 11 are upper and lower plate members, 14 and 15 are partition plate members, 18 and 19 are side plate members, and 20 is a boom body.

Claims

[Scope of utility model registration request]

Upper and lower plate members 10 and 11 made of channel material
are connected by a plurality of partition plate members 14 and 15, and a boss 17 is provided on the upper and lower plate members 10 and 11 via a support member 16 to form a boom body 20, and side plate members are provided on both sides of the boom body 20. A boom structure characterized by having 18 and 19 fixedly installed.