JPS5895977U - Manual pull-out boom device - Google Patents

Manual pull-out boom device

Info

Publication number
JPS5895977U
JPS5895977U JP18989281U JP18989281U JPS5895977U JP S5895977 U JPS5895977 U JP S5895977U JP 18989281 U JP18989281 U JP 18989281U JP 18989281 U JP18989281 U JP 18989281U JP S5895977 U JPS5895977 U JP S5895977U
Authority
JP
Japan
Prior art keywords
manual pull
boom
boom device
out boom
pull
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP18989281U
Other languages
Japanese (ja)
Inventor
義康 日下
宮脇　清嗣
柏原　和夫
Original Assignee
株式会社　多田野鉄工所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社　多田野鉄工所 filed Critical 株式会社　多田野鉄工所
Priority to JP18989281U priority Critical patent/JPS5895977U/en
Publication of JPS5895977U publication Critical patent/JPS5895977U/en
Pending legal-status Critical Current

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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 drawings]

第１図は従来の手動引出し式ブーム装置の説明図、第２
図は本考案の１実施例を示す手動引出し式ブーム装置の
説明図、第３図は、第２図の状態から、手動引出し式ブ
ームを吊持したときの説明図である。 ２：外側ブーム、１：手動引出し式ブーム、６：ローラ
、５：ローラ、１０：連結ピン。Figure 1 is an explanatory diagram of a conventional manual pull-out boom device, Figure 2
The figure is an explanatory view of a manual pull-out type boom device showing one embodiment of the present invention, and FIG. 3 is an explanatory view of the manually pull-out type boom suspended from the state shown in FIG. 2. 2: Outer boom, 1: Manual pull-out boom, 6: Roller, 5: Roller, 10: Connecting pin.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外側ブーム内に抜き差し自在に嵌挿された手動引出し式
ブームの基端部上面に外側ブームの上面方向に付勢され
たローラを配設すると共に手動引出し式ブームの下面に
当接するローラを外側ブームの先端に配設し、更に外側
ブームから引き出された手動引出し式ブームを連結ピン
を介して吊持するようにしたことを特徴とする手動引出
し式ブーム装置。A roller that is biased toward the top of the outer boom is installed on the upper surface of the base end of the manual pull-out boom that can be freely inserted into and removed from the outer boom. What is claimed is: 1. A manual pull-out type boom device, characterized in that the manual pull-out type boom is disposed at the tip of the outer boom and is further suspended via a connecting pin.
JP18989281U 1981-12-18 1981-12-18 Manual pull-out boom device Pending JPS5895977U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18989281U JPS5895977U (en) 1981-12-18 1981-12-18 Manual pull-out boom device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18989281U JPS5895977U (en) 1981-12-18 1981-12-18 Manual pull-out boom device

Publications (1)

Publication Number Publication Date
JPS5895977U true JPS5895977U (en) 1983-06-29

Family

ID=30103611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18989281U Pending JPS5895977U (en) 1981-12-18 1981-12-18 Manual pull-out boom device

Country Status (1)

Country Link
JP (1) JPS5895977U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640184B2 (en) * 1979-03-29 1981-09-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640184B2 (en) * 1979-03-29 1981-09-18

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