CONSTRUCTION MACHINE ATTACHMENT MOUNTING AND DEMOUNTING APPARATUS AND CONSTRUCTION MACHINE EQUIPPED WITH SAME

An attachment mounting and demounting apparatus includes: a fixed frame that has a first hook; a movable frame that has a second hook and is rotatably provided to the fixed frame; a first hydraulic cylinder that rotates the movable frame relative to the fixed frame; a back locking member provided to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIYANISHI, Masami, MAKINO, Yuta, YONEKURA, Kiyoshi
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An attachment mounting and demounting apparatus includes: a fixed frame that has a first hook; a movable frame that has a second hook and is rotatably provided to the fixed frame; a first hydraulic cylinder that rotates the movable frame relative to the fixed frame; a back locking member provided to the fixed frame; a second hydraulic cylinder provided to the fixed frame to rotate the back locking member biased to a locked position by a lock spring, to an unlocked position; a front locking member provided to the movable frame and biased to a locked position by a lock spring; and a third hydraulic cylinder provided to the movable frame to rotate the front locking member to an unlocked position.