B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
B24B 3/60 (2006.01)
Patent
CA 2188158
The invention relates to a method and apparatus for sharpening tools, particularly hand instruments used in dental care. The apparatus comprises a fixed base (19) and a rotary plate (14) fitted thereon, a grinding stone (10) pivoted on an axle (11), and a motor (20) for rotating the grinding stone. According to the invention, adjacent to the circumference (10') or the side surface (10") of the grinding stone is fitted a sharpening support (30), which is supported on the rotary plate (14) and on which the instrument to be sharpened rests during sharpening. The rotary plate (14) is arranged rotatable round an axis (41) which goes through the contact point (43) between the instrument to be sharpened and the sharpening support (30) or through a point in proximity with the contact point (43).
L'invention se rapporte à un procédé et un appareil d'affûtage d'outils, notamment des instruments à main utilisés pour des soins dentaires. Cet appareil comprend une base fixe (19) sur laquelle s'adapte une plaque rotative (14), une pierre d'affûtage (10) pivotant sur un axe (11), ainsi qu'un moteur (20) mettant en rotation la pierre d'affûtage. Selon l'invention, un support d'affûtage (30) est fixé à proximité de la circonférence (10') ou de la surface latérale (10'') de la pierre d'affûtage, sur la plaque rotative (14), l'instrument à affûter venant en appui sur le support au cours de l'affûtage. La plaque rotative (14) est conçue pour tourner autour d'un axe (41) qui passe par le point de contact (43) entre l'instrument à affûter et le support (30), ou par un point à proximité dudit point de contact (43).
Laakintamuovi Oy
Lm-Instruments Oy
Smart & Biggar
LandOfFree
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