公开(公告)号：US20230070541A1

公开(公告)日：2023-03-09

申请号：US17900512

申请日：2022-08-31

Applicant: TECHTRONIC CORDLESS GP

Inventor： Gerardo Quintanilla Avila ,  Wai Chung Lee

IPC: F04D13/08 ,  F04D13/06 ,  F04D29/40 ,  F04D29/60 ,  F04D29/70 ,  F04D15/00

Abstract: A submersible pump, comprising: a casing, having accommodated therein a pumping unit and a drive unit for driving the pumping unit; a base, defining a pump inlet; and a float control unit. The float control unit comprises: a float, having at least one magnet; and a float chamber housing, defining a float chamber in which the float is movable up and down. The float chamber has at least one opening which connects the float chamber with an external environment. At least part of the float chamber housing is movably or removably attached to an outer wall of a casing of the submersible pump.

公开(公告)号：US12297837B2

公开(公告)日：2025-05-13

申请号：US17900512

申请日：2022-08-31

Applicant: TECHTRONIC CORDLESS GP

Inventor： Gerardo Quintanilla Avila ,  Wai Chung Lee

IPC: F04D13/08 ,  F04D13/06 ,  F04D15/00 ,  F04D29/40 ,  F04D29/60 ,  F04D29/70

Abstract: A submersible pump, comprising: a casing, having accommodated therein a pumping unit and a drive unit for driving the pumping unit; a base, defining a pump inlet; and a float control unit. The float control unit comprises: a float, having at least one magnet; and a float chamber housing, defining a float chamber in which the float is movable up and down. The float chamber has at least one opening which connects the float chamber with an external environment. At least part of the float chamber housing is movably or removably attached to an outer wall of a casing of the submersible pump.

公开(公告)号：USD1041279S1

公开(公告)日：2024-09-10

申请号：US29828415

申请日：2022-02-25

Applicant: TECHTRONIC CORDLESS GP

Designer： Kwok Fan Lam ,  Wong Kar Tat ,  Wai Chung Lee

Abstract: FIG. 1 is a perspective view of a pruner saw;
FIG. 2 is a front view of the pruner saw of FIG. 1;
FIG. 3 is a rear view of the pruner saw of FIG. 1;
FIG. 4 is a right view of the pruner saw of FIG. 1;
FIG. 5 is a left view of the pruner saw of FIG. 1;
FIG. 6 is a top view of the pruner saw of FIG. 1; and,
FIG. 7 is a bottom view of the pruner saw of FIG. 1.

公开(公告)号：US20230339341A1

公开(公告)日：2023-10-26

申请号：US18306089

申请日：2023-04-24

Applicant: TECHTRONIC CORDLESS GP

Inventor： Carl Jeffries ,  Neil McGuinness ,  Hok Sum Sam Lai ,  Man Ho Choi ,  Ho Lam Ng ,  Shing Hin Li ,  Wai Chung Lee ,  Kar Tat Wong ,  Hei Man LEE

IPC: B60L53/16 ,  H02J7/00 ,  A01D34/00

CPC classification number: B60L53/16 ,  H02J7/0042 ,  A01D34/008 ,  B60L2200/40 ,  A01D2101/00

Abstract: A charging station for use with a robotic tool, the charging station including a core having a first end and a second end, the first end of the core being configured to be supported on a support surface and the core defining a core axis. The charging station also including a charging terminal coupled to the core, where the charging terminal includes a disk-shaped body extending radially outwardly from the core, where the charging terminal includes a lateral plane subdividing the body into a first sub-section and a second sub-section, and where a positive electrode is positioned on an exterior surface of the first sub-section and where a ground electrode is positioned on an exterior surface of the second sub-section.

公开(公告)号：US20220193691A1

公开(公告)日：2022-06-23

申请号：US17556843

申请日：2021-12-20

Applicant: TECHTRONIC CORDLESS GP

Inventor： Wai Chung Lee ,  Koon For Chung ,  Kun Hao Wu ,  Xiao Di Lan ,  Yan Jia Wang

IPC: B02C23/04 ,  A01G3/00 ,  B02C23/02

Abstract: The present invention discloses a shredding device. The shredding device according to one or more embodiments of the present invention comprises: a shredding body for shredding materials; a frame for supporting the shredding body; and a power supply device that provides electric power to the shredding body. The shredding body comprises a housing, and the housing is provided with a power supply chamber for accommodating at least part of the power supply device. The shredding device according to the present invention features a compact structure, and is easy and safe to operate.

公开(公告)号：US20220143802A1

公开(公告)日：2022-05-12

申请号：US17523858

申请日：2021-11-10

Applicant: TECHTRONIC CORDLESS GP

Inventor： Yan Jia Wang ,  Wai Chung Lee ,  Zheng Jun Wang ,  Jin Cheng Li ,  Dong Wei Li ,  Zhi Yang Li ,  Koon For Chung

IPC: B25F5/02 ,  B25G1/06 ,  B25G3/38

Abstract: The utility model discloses a long-rod-type electric tool, comprising: a handle assembly, the handle assembly comprising a power supply unit; a machine head assembly, the machine head assembly comprising a driving unit and an operating unit connected to the driving unit; a long rod assembly, the long rod assembly being arranged between the handle assembly and the machine head assembly; and at least one interface. The long-rod-type electric tool is configured to make an orientation of the operating unit relative to the long rod assembly adjustable in at least one degree of freedom by means of the at least one interface.

公开(公告)号：US20220330495A1

公开(公告)日：2022-10-20

申请号：US17719795

申请日：2022-04-13

Applicant: TECHTRONIC CORDLESS GP

Inventor： Wai Chung Lee

IPC: A01G20/47

Abstract: The present invention discloses a blowing-sucking device. The blowing-sucking device comprises a fan and defines a blowing path and a sucking path, and comprises a first housing, a second housing, and at least one air duct, wherein the second housing is provided between the first housing and the at least one air duct, and defines at least part of the blowing path and/or the sucking path, and the second housing is configured to be detachably connected to both the first housing and the at least one air duct. The blowing-sucking device according to one or more embodiments of the present invention is compact in structure and easy to disassemble and assemble. It is easy to inspect, clean, and replace its internal components. The device features operational suitability, flexibility, and convenience.

公开(公告)号：US20220193692A1

公开(公告)日：2022-06-23

申请号：US17556798

申请日：2021-12-20

Applicant: TECHTRONIC CORDLESS GP

Inventor： Wai Chung Lee ,  Koon For Chung ,  Kun Hao Wu ,  Xiao Di Lan

IPC: B02C25/00 ,  B02C18/00 ,  B02C18/16

Abstract: The present invention discloses a shredding mechanism, a shredding device and a control system and method thereof. The shredding mechanism comprises a shredding component and an adjusting component, wherein the shredding component is used to shred materials, the adjusting component and the shredding component define an operation space for shredding operation, and the adjusting component and the shredding component are configured to be able to move relative to each other so as to change the size of the operation space. The present invention also discloses a shredding device and a control system and method thereof. The shredding mechanism and device according to the present invention feature improved safety, convenience and service life.