Head section for a rotary cutting device

A - Human Necessities – 01 – D

Patent

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Details

A01D 34/73 (2006.01) A01D 34/62 (2006.01)

Patent

CA 2712058

A head section for a rotary cutting device includes a body portion that includes a blade passage defined between a blade entrance opening and a blade exit opening. A blade fastening mechanism is positioned in the blade passage and includes a blade engaging member. The blade engaging member is biased by a biasing mechanism to extend across the blade passage at a blade install position. The blade engaging member is movable against the bias to clear the blade passage. A blade having a mount aperture proximate an insertion end thereof is secured to the body portion when the mount aperture occupies the blade mount position and the blade engaging member extends through the mount aperture. The blade can be installed in and removed from the head section without tools, simply by advancing the blade through the blade passage.

L'invention concerne une section de tête d'un dispositif de découpe rotatif qui comprend une partie de corps comprenant un passage de lame défini entre une ouverture d'entrée de lame et une ouverture de sortie de lame. Un mécanisme de fixation de lame est placé dans le passage de lame et comprend un élément d'insertion de lame. L'élément d'insertion de lame est sollicité par un mécanisme de sollicitation à s'étendre à travers le passage de la lame en une position d'installation de la lame. L'élément d'insertion de lame est mobile contre la sollicitation pour dégager le passage de la lame. Une lame comportant une ouverture de montage à proximité de son extrémité d'insertion est fixée sur la partie de corps lorsque l'ouverture de montage occupe la position de montage et l'élément d'insertion de lame s'étend à travers l'ouverture de montage. La lame peut être installée dans la section de tête et retirée de celle-ci sans outil, en avançant simplement la lame à travers le passage de lame.

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