公开(公告)号：US11528843B2

公开(公告)日：2022-12-20

申请号：US16745941

申请日：2020-01-17

Applicant: TECHTRONIC CORDLESS GP

Inventor： J. Eric Nolin ,  Ron Hoffman ,  Andrew M. Schmidt ,  Fahad T. Vora

IPC: A01D34/416 ,  A01D34/84

Abstract: A trimmer head or trimmer head assembly for a trimmer is provided herein. The trimmer head may include a base plate defining an axial direction, a pivot head, and a blade retainer. The pivot head may be attached to the base plate. The blade retainer may include a radial arm rotatably mounted to the base plate to rotate relative to the base plate between a first position at which the radial arm is circumferentially aligned with the pivot head and a second position at which the radial arm is circumferentially spaced apart from the pivot head.

公开(公告)号：US11503763B2

公开(公告)日：2022-11-22

申请号：US16732895

申请日：2020-01-02

Applicant: TECHTRONIC CORDLESS GP

Inventor： Christopher A. Holman ,  Ronald J. Hoffman ,  J. Eric Nolin

IPC: A01D34/73 ,  A01D34/416

Abstract: Trimmer heads for trimmers are provided. A trimmer head includes a drive plate defining a lug slot, and a locking lug, the locking lug movably positioned in the lug slot and movable between an unlocked position and a locked position. A trimmer head further includes a drive plate cover connectable to the drive plate such that the locking lug is disposed between the drive plate and the drive plate cover. A trimmer head farther includes at least one operational head, the at least one operational head connectable to the drive plate. The connected operational head is locked to the drive plate when the locking lug is in the locked position and the connected operational head is unlocked from the drive plate when the locking lug is in the unlocked position.

公开(公告)号：US20200236847A1

公开(公告)日：2020-07-30

申请号：US16745941

申请日：2020-01-17

Applicant: TECHTRONIC CORDLESS GP

Inventor： J. Eric Nolin ,  Ron Hoffman ,  Andrew M. Schmidt ,  Fahad T. Vora

IPC: A01D34/416 ,  A01D34/84

Abstract: A trimmer head or trimmer head assembly for a trimmer is provided herein. The trimmer head may include a base plate defining an axial direction, a pivot head, and a blade retainer. The pivot head may be attached to the base plate. The blade retainer may include a radial arm rotatably mounted to the base plate to rotate relative to the base plate between a first position at which the radial arm is circumferentially aligned with the pivot head and a second position at which the radial arm is circumferentially spaced apart from the pivot head.

公开(公告)号：US20200214202A1

公开(公告)日：2020-07-09

申请号：US16732895

申请日：2020-01-02

Applicant: TECHTRONIC CORDLESS GP

Inventor： Christopher A. Holman ,  Ronald J. Hoffman ,  J. Eric Nolin

IPC: A01D34/73 ,  A01D34/416

Abstract: Trimmer heads for trimmers are provided. A trimmer head includes a drive plate defining a lug slot, and a locking lug, the locking lug movably positioned in the lug slot and movable between an unlocked position and a locked position. A trimmer head further includes a drive plate cover connectable to the drive plate such that the locking lug is disposed between the drive plate and the drive plate cover. A trimmer head farther includes at least one operational head, the at least one operational head connectable to the drive plate. The connected operational head is locked to the drive plate when the locking lug is in the locked position and the connected operational head is unlocked from the drive plate when the locking lug is in the unlocked position.