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US 2023/0264336 A1Published application
Working device
AssigneeTechtronic Cordless GP
InventorsZe Guang LIN, Zhen Hua LI
Life of this patent
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AssigneeTechtronic Cordless GP
InventorsZe Guang LIN, Zhen Hua LI
Estimating the term…
The present invention provides a working device, comprising a working portion and a grip portion. The working portion comprises a driving component and a working component driven by the driving component. The driving component comprises an electric motor and an electric motor housing. The electric motor housing comprises a housing body and a connecting portion located on a rear side of the housing body. At least one air intake hole is formed in the connecting portion, and is in communication with an inner cavity of the housing body. In the working device of the present invention, the driving component is provided with an air intake hole to allow air for cooling an electric motor to enter the interior of the driving component. Further, the working portion can be rotated with respect to the grip portion so as to have an increased working angle, and it can also be ensured that at least one air intake hole is always in communication with the outside when the working portion is in any angular position, so that the use efficiency of the electric motor can be ensured under any use condition.
Working device, comprising a working portion and a grip portion, the working portion comprising a driving component and a working component driven by the driving component, the driving component comprising an electric motor an electric motor housing, wherein the electric motor housing comprises:
Dependencies are inferred from the claim text.