Improvements to a self-propelled lawn mower

Details Improvements to a self-propelled lawn mower Improvements to a self-propelled lawn mower

A - Human Necessities

01

D

A01D 34/00 (2006.01) A01D 34/74 (2006.01)

Patent

CA 2370473

The invention relates to a self-propelled lawn mower comprising a microprocessor and at least one cutter (10), wherein an elastic tension element (13) that is connected to the frame of the lawn mower and the at least one cutter (10) is provided. The lawn mower has a means for central automatic adjustment of the height of the cutters (10) in relation to the ground. The cutters (10) consist of a rotary disk (3) with retractable blades (5) provided with a stop (4) underneath the lower surface in the form of a central extension that can come into contact with the ground.

L'invention concerne un engin robotique mobile de tonte comprenant un microprocesseur et au moins une tête de coupe (10), et dans lequel il est prévu un élément élastique en tension (13), solidaire d'une part au châssis de l'engin et d'autre part à au moins ladite tête de coupe (10). L'engin présente un moyen de réglage centralisé et automatique de la hauteur des têtes de coupe (10) par rapport au sol. Les têtes de coupe (10) sont constituées d'un disque rotatif (3) à couteaux rétractables (5) présentant une butée (4) sous la face inférieure sous la forme d'une extension centrale apte à entrer en contact avec le sol.

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