Hole saw slug removal device

B - Operations – Transporting – 23 – B

Patent

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Details

B23B 51/04 (2006.01)

Patent

CA 2569327

The hole saw slug removal device (10) is a device constructed to fit within a hole saw (12) that provides for automatic ejection of waste slugs from within the hole saw. The hole saw slug removal device (10) generally consists of two discs (22, 24) affixed on either end of a compression spring (20). The device (10) is then inserted into the hole saw, and one disc (24) retains the compression spring within the hole saw by locking onto the drill bit (30) or against the inner surface of the hole saw (12). Upon operation of the hole saw, the spring compresses and the other disc (22) is pushed down by the force of the sawing. After the sawing is completed, the spring decompresses, and the disc (22) is pushed forward, automatically ejecting the waste slug that has become trapped. The slug removal device may lack one disc and instead be permanently affixed to a hole saw.

L'invention concerne un dispositif de suppression de déchets de scie-cloche (10) conçu pour s'intégrer dans une scie-cloche (12) et servant à éjecter automatiquement des déchets logés à l'intérieur de la scie-cloche. Ce dispositif de suppression (10) est essentiellement constitué de deux disques (22, 24) qui sont fixés sur chaque extrémité d'un ressort de compression (20). Le dispositif (10) selon l'invention est inséré dans la scie-cloche, et un disque (24) retient le ressort de compression dans la scie-cloche par blocage sur le foret (30), ou contre la surface interne de la scie-cloche (12). Lors du fonctionnement de la scie-cloche, le ressort se comprime tandis que l'autre disque (22) est poussé vers le bas sous l'effet de la force de sciage. Une fois le processus de sciage achevé, le ressort se décomprime, et le disque (22) est poussé vers l'avant, ce qui éjecte automatiquement les déchets piégés. Le dispositif selon l'invention peut fonctionner avec un disque en moins et peut à la place être fixé de manière permanente sur une scie-cloche.

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