Line-type grass cutting head which can be alternatively used on machines with left or right rotation
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United States of America Patent
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Jul 31, 2012
Grant Date -
Nov 19, 2009
app pub date -
Oct 21, 2008
filing date -
May 15, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The head comprises a housing (3a, 3B) for a winding spool (7) for winding the cutting line (F), provided with projections (15, 19) cooperating with teeth (17, 21) integral with the housing. The teeth and the projections are arranged in such a way so as to allow a stepped rotation of the spool with respect to the housing, when said spool is translated alternatively in opposite directions parallel to the axis of the head. The head comprises a first series of teeth and a second series of teeth (21A, 21B) which can be used alternatively and which are suitable each to allow the rotation of the spool (7) in one direction and to prevent the rotation in the opposite direction with respect to the housing.
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