US 12,376,515 B2
String trimmer assembly and trimmer head for use with same
Beth E. Cholst, Wauwatosa, WI (US)
Assigned to Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed on Jun. 30, 2022, as Appl. No. 17/855,183.
Claims priority of provisional application 63/216,900, filed on Jun. 30, 2021.
Prior Publication US 2023/0000008 A1, Jan. 5, 2023
Int. Cl. A01D 34/416 (2006.01)
CPC A01D 34/4163 (2013.01) [A01D 34/4165 (2013.01); A01D 34/4167 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A string trimmer assembly comprising:
a trimmer head rotatably driven by a drive shaft, the trimmer head defining a cavity;
a spool supported in the cavity of the trimmer head and operable to support line to be dispensed, the line dispensable though an opening in the trimmer head; and
a bump protruding from a distal end of the trimmer head;
wherein the bump includes a wear surface on a terminating end of the bump,
wherein the wear surface and the opening defining a cutting height;
wherein the trimmer bead is bumpable against a surface to dispense additional line from the opening, and
wherein the cutting height remains constant.