JPS59133585U - jib crane - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図及び第２図は本考案の実施例を示すもので、前者
は正面図、後者はその斜視図で、第３図はジブクレーン
の動作を平面的に従来のものと比較しつつ示すものであ
る。 １・・・・・・第一のジブ、２・・曲第二のジブ、１１
・・・・・・軸、１５・・・・・・固定枠、２１・・曲
軸、２５・・間フック。Figures 1 and 2 show an embodiment of the present invention; the former is a front view, the latter a perspective view, and Figure 3 is a two-dimensional diagram showing the operation of a jib crane in comparison with a conventional one. It is. 1...First jib, 2...Track second jib, 11
...shaft, 15 ... fixed frame, 21 ... curved shaft, 25 ... hook between.

Claims (1)

【実用新案登録請求の範囲】 、　（１）　　固定枠に支承される軸に第一のジブを水
平面内て回動自在にその一端を取付け、該第−のジブの
他端に水平面内で上記第一のジブの他端を軸として回動
自在に第二のジブを張り出して設け、該第二のジブに昇
降自在のフックを懸下して成るジブクレーン。 （２）フックは第二のジブの張り出し方向に移動可能で
あることを特徴とする実用新案登録請求の範囲第（１）
項記載のジブクレーン。[Claims for Utility Model Registration] (1) One end of a first jib is attached to a shaft supported by a fixed frame so as to be rotatable in a horizontal plane, and the other end of the first jib is attached to the other end of the first jib in a horizontal plane. A jib crane comprising a second jib that is rotatably protruded from the other end of the first jib, and a hook that can be raised and lowered is suspended from the second jib. (2) Utility model registration claim No. (1) characterized in that the hook is movable in the direction in which the second jib extends.
Jib crane as described in section.