公开(公告)号：US10398078B2

公开(公告)日：2019-09-03

申请号：US15127488

申请日：2015-03-20

申请人： Shakespeare Company, LLC

发明人： David B. Skinner ,  Brian Searfoss ,  Wen Liu ,  Lin Wang ,  Jack Yang

IPC分类号： A01D34/416

摘要： 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.

公开(公告)号：US11419263B2

公开(公告)日：2022-08-23

申请号：US16542115

申请日：2019-08-15

申请人： Shakespeare Company, LLC

发明人： David B. Skinner ,  Brian Searfoss ,  Wen Liu ,  Lin Wang ,  Jack Yang

IPC分类号： A01D34/416

摘要： 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.

公开(公告)号：US20170172063A1

公开(公告)日：2017-06-22

申请号：US15127488

申请日：2015-03-20

申请人： Shakespeare Company, LLC

发明人： David B. Skinner ,  Brian Searfoss ,  Wen Liu ,  Lin Wang ,  Jack Yang

IPC分类号： A01D34/416

CPC分类号： A01D34/4166

摘要： 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.