IP Library Granted Patent US 11,317,560
Granted Patent B2
US 11,317,560 · App. 16/889,011 · Granted May 3, 2022

Two-colored trimmer line for centering the line in a trimmer head

Inventor: David B. Skinner (Columbia, SC)
Assignee: SHAKESPEARE COMPANY. LLC
A01D34/4168A01D34/416
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Quick Facts
Patent No.
US 11,317,560
App. No.
16/889,011
Granted
May 3, 2022
Kind
B2
Abstract

A trimmer line for use with a trimmer head of a rotary trimmer is provided, wherein the trimmer line comprises two substantially equal lengths of line connected to each other by one of their ends to form the trimmer line, the two substantially equal lengths of line being of different colors to indicate the middle of the trimmer line. Such a trimmer line allows to easier, or more at least more accurate, spooling of the trimmer line on a trimmer head.

Claims (5)

1. A method for determining the center of a trimmer line for use with a trimmer head of a rotary trimmer, the method comprising:

extruding the trimmer line having a color;

dyeing half of the length of trimmer line with a colorfast dye of a color different from the color of the trimmer line, thereby providing a trimmer line having a color change at the center of the trimmer line.

2. The method according to claim 1 , wherein the step of dyeing includes changing the color of the extrudants such that half of the trimmer line is one color and the other half of the trimmer line is another color.

3. The trimmer line according to claim 2 , wherein the extrudants include colorants or polymers of different colors.

Assignments (2)
SECURITY INTEREST Recorded Jun 13, 2025
From: SHAKESPEARE COMPANY, LLC
To: MIDFIRST BUSINESS CREDIT, INC.
Reel/Frame 071563/0205 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2020
From: SKINNER, DAVID B.
To: SHAKESPEARE COMPANY, LLC
Reel/Frame 052808/0774 →