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US 2025/0040478 A1Published application
String trimmers
AssigneeMilwaukee Electric Tool Corporation
InventorsTabrez Mahamad, Scott Libert, Scott Liu, Everest Liu, Dave Yao, Calvin Vanko, Jeniffer Ordonez, Sourav Sen, Robert Long
Life of this patent
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Abstract
String trimmers are provided. A stringer trimmer includes a housing; a control board including control circuitry; a frame coupled to the control board; and an isolator disposed between the housing and the frame, wherein the frame is supported relative to the housing by the isolator, and wherein the isolator comprises a shock absorbing material.
Claims20
A string trimmer comprising:
- a housing;
- a control board including control circuitry;
- a frame coupled to the control board;
- and
- an isolator disposed between the housing and the frame,
- wherein the frame is supported relative to the housing by the isolator, and
- wherein the isolator comprises a shock absorbing material.
4 more elements
A string trimmer comprising:
- a housing;
- a working head;
- and
- an elongated element extending between the housing and the working head,
- wherein the working head comprises:
- a housing;
- an axle disposed in the housing to drive a string about a rotational axis;
- and
- a counterweight disposed between the housing and the string.
6 more elements
A string trimmer comprising:
- a housing;
- a motor disposed in the housing;
- a battery in electrical communication with the motor;
- a working head including a rotating assembly;
- an elongated element extending between the housing and the working head;
- and
- a drive shaft disposed at least partially in the elongated element, the drive shaft coupling the motor to the working head to rotatably drive the rotating assembly when the motor is activated,
- wherein the motor is configured to rotatably drive the rotating assembly at a rotational speed greater than 6000 revolutions per minute (RPM) at a torque greater than 25 inch pounds (in*lb).
5 more elements
Dependencies are inferred from the claim text.