IP Library Granted Patent US 10,398,078
Granted Patent B2
US 10,398,078 · App. 15/127,488 · Granted Sep 3, 2019

Pivot posts and trimmer heads utilizing the same

Inventors: David B. Skinner (Columbia, SC); Brian Searfoss (Elgin, SC); Wen Liu (Guangshui, CN); Lin Wang (ChangSha, CN); Jack Yang (Shangrao, CN)
Assignee: Shakespeare Company, LLC
A01D34/4166
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Quick Facts
Patent No.
US 10,398,078
App. No.
15/127,488
Granted
Sep 3, 2019
Kind
B2
Abstract

A trimmer head having at least two pivoting line holders for holding multiple folded strips of trimming line is presented wherein said pivoting line holders are retained within said housing between said housing and said cover and extend upward through apertures in said cover, said line holders being capable of movement around a vertical axis of rotation, at least three embodiments are disclosed which provide a rounded landing for supporting the inner radius of a folded strip of trimming line, the rounded geometry of the landing prevents line stress and breakage, the various embodiments include a pivot post having two parallel straight through holes with a rounded vertical wall between the through holes, a single open passageway having a center metal post, and a single open passageway having a series of at least two metal pins through the center of the passageway.

Claims (2)

1. A pivoting line holder for a trimmer head capable of retaining a folded length of trimmer line, the line holder comprising a housing having a generally cylindrical base to engage and be retained by a complimentary bearing sleeve, a lower flange extending radially outward from the lower periphery of said cylindrical base for retaining said line holder within said housing, a single open passageway extending horizontally end to end through said housing, and a series of at least two metal pins extending vertically upward through the center of said open passageway, the two end pins in the series of at least two metal pins located at least partially external to said open passageway, the majority of said open passageway remaining free of obstruction.

2. The pivoting line holder of claim 1 , said pivoting line holder being operatively attachable to a trimmer head for a rotary trimming device.

Assignments (4)
SECURITY INTEREST Recorded Jun 13, 2025
From: SHAKESPEARE COMPANY, LLC
To: MIDFIRST BUSINESS CREDIT, INC.
Reel/Frame 071563/0205 →
RELEASE OF SECURITY INTEREST Recorded Jun 12, 2025
From: UBS AG, STAMFORD BRANCH
To: SHAKESPEARE COMPANY, LLC
Reel/Frame 071396/0313 →
SECURITY INTEREST Recorded May 8, 2019
From: JARDEN ZINC PRODUCTS, LLC; LIFOAM INDUSTRIES, LLC; SHAKESPEARE COMPANY, LLC; ALLTRISTA PLASTICS LLC
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 049122/0163 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 29, 2017
From: SKINNER, DAVID B.; SEARFOSS, BRIAN; LIU, WEN; WANG, LIN; YANG, JACK
To: SHAKESPEARE COMPANY, LLC
Reel/Frame 041783/0710 →
Continuity (4)
Provisional Application 61955949 · Mar 20, 2014
Provisional Application 61989561 · May 7, 2014
Provisional Application 62000177 · May 19, 2014
Related Publication 20170172063A1 · Jun 22, 2017