公开(公告)号：US20220377974A1

公开(公告)日：2022-12-01

申请号：US17750571

申请日：2022-05-23

Applicant: Techtronic Cordless GP

Inventor： Ronald J. Hoffman ,  Christopher A. Holman

IPC: A01D34/416

Abstract: A subassembly for a trimmer head of a power tool, the subassembly including: a flywheel; and a cartridge including a segment of trimmer line, wherein the cartridge is removably keyed to the flywheel, wherein the subassembly is configured to be operatively coupled to a motor of the power tool, and wherein the subassembly is removably positionable in a housing of the power tool.

公开(公告)号：US20220256767A1

公开(公告)日：2022-08-18

申请号：US17174954

申请日：2021-02-12

Applicant: TECHTRONIC CORDLESS GP

Inventor： William E. Colber, JR. ,  Joel Harbin ,  Ronald J. Hoffman ,  Christopher Holman

IPC: A01D34/82 ,  A01D34/68

Abstract: A handle assembly can include a handle extending from a work portion of the power tool. The handle can include a handle member configured to be engaged by a user when operating the power tool and at least one elongated member extending between the work portion of the power tool and the handle member. A multi-position interface can be spaced apart from the handle member and define a plurality of engagement interfaces. An engagement element can be configured to move relative to the multi-position interface and be selectively engageable with the plurality of engagement interfaces. A user engageable interface can be configured to selectively move the engagement element into and out of engagement with the plurality of engagement interfaces. The handle assembly can be angularly repositionable between a plurality of angular orientations when the engagement element is not disposed within any of the plurality of engagement interfaces.

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.

公开(公告)号：US12288544B2

公开(公告)日：2025-04-29

申请号：US18372288

申请日：2023-09-25

Applicant: TECHTRONIC CORDLESS GP

Inventor： Ronald J. Hoffman ,  Scott W. Reed ,  Ashley B. Amick, Jr.

IPC: G10K11/162

Abstract: A power tool including an air inlet and an inlet muffler disposed within the air inlet, the inlet muffler comprising a plurality of inlet ports, each of the plurality of inlet ports comprising a peripheral surface defining a port aperture therethrough, at least one of the plurality of inlet ports further comprising a damper material provided on the peripheral surface of the at least one inlet port and further defining the port aperture therethrough.

公开(公告)号：US20240200577A1

公开(公告)日：2024-06-20

申请号：US18588710

申请日：2024-02-27

Applicant: TECHTRONIC CORDLESS GP

Inventor： Lance Eckard, JR. ,  Christopher A. Holman ,  Ronald J. Hoffman

IPC: F04D29/70 ,  A01G20/47 ,  F04D17/16 ,  F04D29/42

CPC classification number: F04D29/703 ,  A01G20/47 ,  F04D17/16 ,  F04D29/4226

Abstract: A blower vacuum, the blower vacuum including a nozzle forming a first opening, a fan housing in fluid communication with the nozzle, an inlet exhaust housing rotatably coupled to the fan housing, and a debris housing. The fan housing forms a second opening. A fan assembly is positioned at the fan housing. The inlet exhaust housing includes an inlet portion and an exhaust portion. The inlet exhaust housing is rotatable to a first position forming a blower operation and a second position forming a vacuum operation. The debris housing is coupled to the exhaust portion of the inlet exhaust housing.

公开(公告)号：US11905711B2

公开(公告)日：2024-02-20

申请号：US17153274

申请日：2021-01-20

Applicant: TECHTRONIC CORDLESS GP

Inventor： Christopher A Holman ,  Ronald J. Hoffman

IPC: E04D13/076 ,  F04D19/00 ,  F04D25/06 ,  F04D27/00

CPC classification number: E04D13/0765 ,  F04D19/002 ,  F04D25/0673 ,  F04D27/004

Abstract: A gutter cleaner comprising: a fan assembly; a guide configured to at least partially support the fan assembly on a gutter, wherein the guide comprises a skid configured to slide along the gutter; a handle coupled to the fan assembly at a location adjacent to a first axial end of the handle; and a battery port disposed at a location adjacent to a second axial end of the handle, the second axial end of the handle being opposite the first axial end of the handle, wherein the gutter cleaner is supportable via the handle by an operator located at an elevation below the gutter, and wherein the gutter cleaner has an approximately neutral operational buoyancy.

公开(公告)号：US20240013763A1

公开(公告)日：2024-01-11

申请号：US18372288

申请日：2023-09-25

Applicant: TECHTRONIC CORDLESS GP

Inventor： Ronald J. Hoffman ,  Scott W. Reed ,  Ashley B. Amick,, JR.

IPC: B25D17/12 ,  F04D19/00

CPC classification number: B25D17/12 ,  F04D19/002

Abstract: A power tool including an air inlet and an inlet muffler disposed within the air inlet, the inlet muffler comprising a plurality of inlet ports, each of the plurality of inlet ports comprising a peripheral surface defining a port aperture therethrough, at least one of the plurality of inlet ports further comprising a damper material provided on the peripheral surface of the at least one inlet port and further defining the port aperture therethrough.

公开(公告)号：US11841023B2

公开(公告)日：2023-12-12

申请号：US17848062

申请日：2022-06-23

Applicant: TECHTRONIC CORDLESS GP

Inventor： Ronald J. Hoffman ,  Scott W. Reed ,  Ashley B. Amick, Jr.

IPC: F04D29/66 ,  F04D19/00 ,  F04D25/06

CPC classification number: F04D29/663 ,  F04D19/002 ,  F04D25/0606

Abstract: Blowers having noise reduction features are provided. A blower may include a main body defining an airflow path therethrough, the main body extending between and defining an inlet end and an outlet end. The blower may further include an inlet muffler provided at the inlet end. The inlet muffler includes a plurality of inlet ports, each of the plurality of inlet ports including a peripheral surface defining a port aperture therethrough. At least one of the plurality of inlet ports further includes a damper material provided on the peripheral surface of the at least one inlet port and further defining the port aperture therethrough.

公开(公告)号：US20230287902A1

公开(公告)日：2023-09-14

申请号：US18120655

申请日：2023-03-13

Applicant: TECHTRONIC CORDLESS GP

Inventor： Lance Eckard ,  Christopher A. Holman ,  Ronald J. Hoffman

IPC: F04D29/70 ,  F04D29/42 ,  F04D17/16

CPC classification number: F04D29/703 ,  F04D17/16 ,  F04D29/4226

Abstract: A blower vacuum, the blower vacuum including a nozzle forming a first opening, a fan housing in fluid communication with the nozzle, an inlet exhaust housing rotatably coupled to the fan housing, and a debris housing. The fan housing forms a second opening. A fan assembly is positioned at the fan housing. The inlet exhaust housing includes an inlet portion and an exhaust portion. The inlet exhaust housing is rotatable to a first position forming a blower operation and a second position forming a vacuum operation. The debris housing is coupled to the exhaust portion of the inlet exhaust housing.

公开(公告)号：US20220241878A1

公开(公告)日：2022-08-04

申请号：US17590395

申请日：2022-02-01

Applicant: TECHTRONIC CORDLESS GP

Inventor： Ronald J. Hoffman ,  Christopher Holman ,  Scott Reed

IPC: B23D57/02

Abstract: Chainsaws are provided. A chainsaw includes a housing, a motor, a bar fixedly coupled to the housing and configured to form a cutting track, a cutting implement configured to move along the cutting track and drivable by the motor, and a tensioning system configured to adjust tension in the cutting implement.