Patent ID: 6240643
Filing Date: 2001-06-05
Classification: A01D

Abstract:
A cutting head hub for connecting to a drive member and receiving a number of filiform elements of a string trimmer, the filiform elements each having an intermediate portion with opposite end portions extending substantially radially from said cutting head hub, said cutting head hub comprising:an axially symmetrical first body; andan axially symmetrical second body for seating with said first body and clamping said filiform elements,wherein said axially symmetrical first body comprises at least a tubular wall having a number of angularly spaced radial slots for receiving said intermediate portion of each of said filiform elements at least partly inside said tubular wall and engaging two of said radial slots from which said end portions substantially radially extend;wherein said axially symmetrical second body comprises at least a cavity for housing at least partially said tubular wall and an end portion for clamping said filiform elements; andwherein said tubular wall is defined externally by a cylindrical surface with a thread for said clamping of said filiform elements.