Reamer

B - Operations – Transporting – 23 – D

Patent

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Details

77/38

B23D 77/02 (2006.01)

Patent

CA 2009433

A reamer is proposed having at least one cutter plate that is held by at least one clamping jaw located in a recess in the head of the reamer and having an opening for a clamping screw. The reamer is distinguished by the fact that the clamping jaw is shaped essentially as a triangle when viewed from the top, that the opening for the clamping screw is located in a corner of the triangle, and that the lateral surfaces of the clamping jaw starting from this corner form guide surfaces, which are provided with contact surfaces in the recess in the head of the reamer. By using this clamping jaw, the cutter plate can be optimally clamped and aligned without weakening the main body of the reamer. Both the flank and lateral surfaces of the clamping jaw interact with the stop surfaces in a recess in such a manner that optimal diversion of the clamping forces in the main body of the reamer also takes place.

Alésoir muni d'au moins une plaque-couteau ancrée par au moins une pince de serrage située dans un creux dans la tête de l'alésoir et ayant une ouverture pour une vis de serrage. Le présent alésoir se distingue par : une pince de serrage ayant essentiellement la forme d'un triangle lorsque vue d'en haut; une ouverture pour la vis de serrage située dans un coin du triangle; et une pince de serrage dont les surfaces latérales, qui partent de ce coin, forment des surfaces de guidage dotées de surfaces de contact dans le creux de la tête de l'alésoir. L'utilisation de cette pince de serrage permet d'ancrer et d'aligner la plaque-couteau de façon optimale sans affaiblir le corps de l'alésoir. La face de dépouille ainsi que les surfaces latérales de la pince de serrage interagissent avec les surfaces d'arrêt dans un creux, de sorte qu'on obtient également une diversion optimale des forces de serrage dans le corps de l'alésoir.

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