Johan Hallendorff,Tomas Wykman,Stefan Kullberg,Rickard Skogward
申请号:
US15763964
公开号:
US20180271010A1
申请日:
2016.10.06
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A trimmer head (1) arranged to be driven to rotate a trimmer line (3), wherein the trimmer head comprises a housing (1a, 1b) and an inner body (1c) connected to a trimmer line spool (13, 39), the trimmer head being characterized in that the inner body is arranged to be movable relative the housing so that a trimmer line spooled around the trimmer line spool is released and to be pulled out by a centrifugal force caused by the rotation of the trimmer head, thereby allowing feed of the trimmer line. A trimmer (10) comprising a trimmer head according to above, wherein the trimmer further comprises drive means (2, 4) for driving the trimmer head to rotate and wherein the trimmer is arranged to cause a relative movement of the inner body relative the housing by changing the rotation speed of the trimmer head.