String trimmer with built-in fan for blowing cut grass
AssigneeGlobe (Jiangsu) Co., Ltd.
InventorsZhezhe Xu, Yi Xie, Chenglong Yuan
Life of this patent
Estimating the term…
Abstract
A string trimmer includes a protective shield, a first motor, a blade and a fan. The first motor is arranged on one side of the protective shield, and a first rotation shaft of the first motor penetrates the protective shield to the other side of the protective shield. The blade is arranged on the other side of the protective shield, and the blade is connected with the first rotation shaft. The fan is arranged on the same side as the first motor, and the fan is mounted on the protective shield through a second rotation shaft. Wherein, a rotation speed ratio between the second rotation shaft and the first rotation shaft ranges from 0.5 to 4.
Claims19
A string trimmer, comprising:
- a protective shield, provided with an air outlet,
- a first motor, arranged on one side of the protective shield, a first rotation shaft of the first motor penetrating the protective shield to the other side of the protective shield,
- a blade, arranged on the other side of the protective shield and connected with the first rotation shaft,
- a fan, arranged on the same side as the first motor, and mounted on the protective shield through a second rotation shaft, and
- a volute, wherein a tail part of the volute is provided with an air tube, the air tube comprises a trimming air tube and a mowing air tube, the mowing air tube covers the air outlet, and the trimming air tube does not contact the air outlet,
- wherein a rotation speed ratio between the second rotation shaft and the first rotation shaft ranges from 0.5 to 4.
Dependencies are inferred from the claim text.