Patent ID: 6862811
Filing Date: 2005-03-08
Classification: A01D

Abstract:
1. A line trimmer head for a motorized trimmer, comprising: a spool housing for housing a spool of cutting line; the inner surface of the top of the spool housing having driving teeth which engage with driving teeth located in the upper surface of the spool; a bottom ring located within the spool housing on top of the spool; a top ring located on top of the spool housing and connected to the bottom ring by a plurality of rigid pins extending through the top of the spool housing; a spring for biasing the spool towards the inner surface of the top of the spool housing; a motor for spinning the spool housing such that the teeth in the spool housing engage the teeth in the spool to spin the spool of cutting line; and a rod which is remotely electrically actuated to force the top ring and attached bottom ring downwards forcing the spool against the bias of the spring and temporarily disengages the driving teeth on the spool housing from the driving teeth on the spool.