JPS5899349U - Boom actuator - Google Patents

Boom actuator

Info

Publication number
JPS5899349U
JPS5899349U JP19310081U JP19310081U JPS5899349U JP S5899349 U JPS5899349 U JP S5899349U JP 19310081 U JP19310081 U JP 19310081U JP 19310081 U JP19310081 U JP 19310081U JP S5899349 U JPS5899349 U JP S5899349U
Authority
JP
Japan
Prior art keywords
boom
operating valve
switches
air cylinder
actuating device
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
JP19310081U
Other languages
Japanese (ja)
Inventor
武 近藤
Original Assignee
小松インタ−ナシヨナル製造株式会社
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 小松インタ−ナシヨナル製造株式会社 filed Critical 小松インタ−ナシヨナル製造株式会社
Priority to JP19310081U priority Critical patent/JPS5899349U/en
Publication of JPS5899349U publication Critical patent/JPS5899349U/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 the drawing]

図面は本考案の実施例を示す回路図である。 １はブーム、４は操作弁、８はエアシリンダ、８ｂは下
降側室、２４は下降側回路、２５は減圧弁。The drawing is a circuit diagram showing an embodiment of the present invention. 1 is a boom, 4 is an operating valve, 8 is an air cylinder, 8b is a descending side chamber, 24 is a descending side circuit, and 25 is a pressure reducing valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 手動操作により操作弁４を切換操作してブーム１を昇降
する手動操作系と、無線にて制御されるエアシリンダに
て操作弁４を切換操作する無線操作系とを有するブーム
作動装置において、上記無線操作系で、かつ操作弁４を
切換操作するエアシリンダ８の下降側室８ｂに接続した
下降側回路２４に減圧弁２５を介装したことを特徴とす
るブーム作動装置。In a boom actuating device having a manual operation system that moves the boom 1 up and down by manually switching the operating valve 4 and a wireless operating system that switches the operating valve 4 using an air cylinder that is wirelessly controlled, A boom actuating device that is a wireless operation system and is characterized in that a pressure reducing valve 25 is interposed in a descending side circuit 24 connected to a descending side chamber 8b of an air cylinder 8 which switches and operates an operating valve 4.
JP19310081U 1981-12-28 1981-12-28 Boom actuator Pending JPS5899349U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19310081U JPS5899349U (en) 1981-12-28 1981-12-28 Boom actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19310081U JPS5899349U (en) 1981-12-28 1981-12-28 Boom actuator

Publications (1)

Publication Number Publication Date
JPS5899349U true JPS5899349U (en) 1983-07-06

Family

ID=30106470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19310081U Pending JPS5899349U (en) 1981-12-28 1981-12-28 Boom actuator

Country Status (1)

Country Link
JP (1) JPS5899349U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563406U (en) * 1979-06-21 1981-01-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563406U (en) * 1979-06-21 1981-01-13

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