Line-type trimmer head with manual replacement of the line without opening
AssigneeArnetoli Motor S.R.L.
InventorFabrizio Arnetoli
Life of this patent
Estimating the term…
Abstract
A line(F)-type trimmer head (1) is described, configured to rotate around a rotation axis (A-A) and comprising a housing (3) composed of at least one first housing portion (5) and one second housing portion (7), which can be torsionally and axially coupled to one another and which form a volume for a stock of cutting line (F). The second housing portion comprises at least one first passage (31), transverse with respect to the rotation axis of the trimmer head, with a first end and a second end configured and arranged so as to be positioned in correspondence of the two exit holes (9) for the cutting line, so that a cutting line can be inserted through one exit hole and extracted from the other exit hole, passing along the first transverse passage.
Claims21
A line-type trimmer head, configured to rotate around a rotation axis, the line-type trimmer head comprising:
- a housing comprising at least a first housing portion and a second housing portion, which are adapted to be torsionally and axially coupled to each other and which form a volume for a stock of cutting line, wherein the first housing portion and the second housing portion are adapted to be torsionally released from each other so as to rotate with respect to each other, the first housing portion comprising at least two exit holes for the cutting line, the second housing portion forming a winding spool for winding the stock of cutting line, the spool being integrally connected with the second housing portion and the spool rotating with the second housing portion, the second housing portion comprising at least one passage, the at least one passage being transverse with respect to the rotation axis of the trimmer head, the at least one passage comprising a first end and a second end configured and arranged so as to be placed at the two exit holes for the cutting line, so that the cutting line can be inserted through one of the two exit holes and extracted from the other exit hole, passing along the at least one passage, the first housing portion having a side wall where the two exit holes for the cutting line are provided, the second housing portion comprising a closing flange cooperating with the side wall of the first housing portion.
Dependencies are inferred from the claim text.