CUTTING BLADE REPLACEMENT APPARATUS

A cutting blade replacement apparatus includes a nut attaching-detaching unit including a nut holding part that holds a nut and a drive part that rotates the nut holding part. When the nut is screwed to a male screw formed at an end part of a boss part of a cutting unit, one of the nut attaching-det...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SU, Zhibo, NAKAGAWA, Shun, KIMURA, Yoshimi
Format:	Patent
Sprache:	eng
Schlagworte:	COMPONENTS OR ACCESSORIES THEREFOR CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING HAND CUTTING TOOLS NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS SAWS FOR WOOD OR SIMILAR MATERIAL SEVERING TRANSPORTING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	A cutting blade replacement apparatus includes a nut attaching-detaching unit including a nut holding part that holds a nut and a drive part that rotates the nut holding part. When the nut is screwed to a male screw formed at an end part of a boss part of a cutting unit, one of the nut attaching-detaching unit or the cutting unit moves in a Y-axis direction in synchronization with the speed of movement in the Y-axis direction due to the screwing of the nut, and the other of the nut attaching-detaching unit and the cutting unit escapes in the Y-axis direction when a pressing force equal to or larger than a predetermined value acts on the nut attaching-detaching unit or the cutting unit.