Patent ID: 7213390
Filing Date: 2007-05-08
Classification: A01D

Abstract:
1. A cylinder unit for a cylinder lawn mower, comprising a fixedly mounted abutment, cylinder means, which is rotatable about a longitudinal axis and which is provided with at least one knife, and insertion means for engaging and inserting grass into the abutment, said insertion means comprising a plurality of pins with a radially outer end, each knife by rotation of the cylinder means being movable to a cutting position, in which the knife cooperates with the abutment to allow grass cutting, the pins being rotatably mounted directly on a pin shaft arranged eccentrically to the longitudinal axis of the cylinder means, said pins extend from said pin shaft in the radial direction, each pin being movable by rotation thereof about said pin shaft between a first and a second position, in which first position the pin extends beyond the periphery of the cylinder means so that the outer end of the pin is located radially outwardly of each knife and in which second position the pin is located inwardly of the periphery of the cylinder means so that the outer end of the pin is located radially inwardly of or radially on a level with each knife, said pin being arranged to take the first position in an angular range, seen in the direction of rotation of the cylinder means, immediately before the cutting position and the second position at least when passing the cutting position, and said cylinder means when rotated being adapted to engage the pins to rotate them about said pin shaft.