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US 12,108,702 B2Granted
Gardening tool, particularly a mower
AssigneeChervon (HK) Limited
InventorsToshinari Yamaoka, Fangjie Nie, Haishen Xu, Xiandian Shao
Life of this patent
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Abstract
A gardening tool, such as a mower, has a main body having an accessory, such as a mowing blade, and a motor for driving the accessory. A handle is rotatably connected to the main body. At least one operation assembly is associated with the handle for being operated by a user to control the motor when the handle is located in a predetermined position. A control system prevents the motor from being controlled by the operation assembly and halts the motor when the handle is located out of the predetermined position.
Claims20
A lawn mower, comprising:
- a main body comprising a cutting blade and a motor for driving the cutting blade;
- a plurality of wheels supporting the main body;
- a handle connected to the main body;
- and
- a connecting assembly for connecting the handle to the main body,
- wherein the handle comprises:
- a first handle bar comprising a first end close to the main body and a second end away from the main body;
- a second handle bar comprising a third end close to the main body and a forth end away from the main body;
- and
- a gripping portion for a user to grip, wherein the gripping portion is disposed between the first handle bar and the second handle bar, and the gripping portion connects the second end of the first handle bar and the forth end of the second handle bar,
- wherein the connecting assembly comprises a rotation shaft for rotatably connecting the handle to the main body, and the rotation shaft connects the first end of the first handle bar and the third end of the second handle bar to the main body, and the rotation shaft comprises a fifth end connected to the first end of the first handle bar and a sixth end connected to the third end of the second handle bar, and the rotation shaft extends from the fifth end to the sixth end, and
- wherein the lawn mower further comprises a single locking mechanism and a single level changing member used to set a plurality of levels and, the single level changing member cooperates with the single locking mechanism so as to fix and adjust a rotating position of the first handle bar, and
- wherein the single level changing mechanism comprises a locking plate positioned between the first end of the first handle bar and the third end of the second handle bar;
- the locking plate comprising a mounting notch which the rotation shaft passes through.
11 more elements
A lawn mower, comprising:
- a main body comprising a cutting blade and a motor for driving the cutting blade;
- a plurality of wheels supporting the main body;
- a handle connected to the main body;
- and
- a connecting assembly for connecting the handle to the main body,
- wherein the handle comprises:
- a first handle bar comprising a first end close to the main body and a second end away from the main body;
- a second handle bar comprising a third end close to the main body and a forth end away from the main body;
- and
- a gripping portion for a user to grip, wherein the gripping portion is disposed between the first handle bar and the second handle bar, and the gripping portion connects the second end of the first handle bar and the forth end of the second handle bar,
- wherein the connecting assembly comprises a rotation shaft for rotatably connecting the handle to the main body, and the rotation shaft connects the first end of the first handle bar and the third end of the second handle bar, and the rotation shaft comprises a fifth end connected to the first end of the first handle bar and a sixth end connected to the third end of the second handle bar, and the rotation shaft extends from the fifth end to the sixth end, and
- wherein the lawn mower further comprises a single locking mechanism capable of locking a rotating position of the first handle bar, and
- a single level changing mechanism comprising a locking plate positioned between the first end of the first handle bar and the third end of the second handle bar;
- the locking plate comprising a mounting notch which the rotation shaft passes through.
11 more elements
A lawn mower, comprising:
- a main body comprising a cutting blade and a motor for driving the cutting blade;
- a plurality of wheels supporting the main body;
- a handle connected to the main body;
- a connecting assembly for connecting the handle to the main body,
- wherein the handle comprises:
- a first handle bar comprising a first end close to the main body and a second end away from the main body;
- a second handle bar comprising a third end close to the main body and a forth end away from the main body;
- and
- a gripping portion for a user to grip, wherein the gripping portion is disposed between the first handle bar and the second handle bar, and the gripping portion connects the second end of the first handle bar and the forth end of the second handle bar, and
- wherein the connecting assembly comprises a rotation shaft for rotatably connecting the handle to the main body, and the rotation shaft connects the first end of the first handle bar and the third end of the second handle bar, and the rotation shaft comprises a fifth end connected to the first end of the first handle bar and a sixth end connected to the third end of the second handle bar, and the rotation shaft extends from the fifth end to the sixth end;
- a locking mechanism to set a plurality of levels;
- the locking mechanism coupled to adjust a rotating position of the first handle bar;
- and
- a single actuating member coupled to the locking mechanism for actuating the locking mechanism, and
- a single level changing mechanism comprising a locking plate positioned between the first end of the first handle bar and the third end of the second handle bar;
- the locking plate comprising a mounting notch which the rotation shaft passes through.
13 more elements
Dependencies are inferred from the claim text.