ACTIVE SAFETY APPARATUS FOR A DISC CUTTER

An active safety apparatus adapted for a disk or circular knife or saw is based on optical surveillance apparatus. The apparatus provides a precise boundary for a protected volume surrounding the blade. The apparatus creates four corner edges for the protected volume, which is a cuboid or a right fr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MADDEVER, George Davey, BLENKINSOPP, Keith
Format:	Patent
Sprache:	eng
Schlagworte:	CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING HAND CUTTING TOOLS PERFORMING OPERATIONS SEVERING TRANSPORTING
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Beschreibung
Zusammenfassung:	An active safety apparatus adapted for a disk or circular knife or saw is based on optical surveillance apparatus. The apparatus provides a precise boundary for a protected volume surrounding the blade. The apparatus creates four corner edges for the protected volume, which is a cuboid or a right frustrum. Appearance of an operator hand, recognized by glove color, in the protected volume causes immediate, active stopping of a servomotor used to rotate the saw blade.