Electric power tool device

CN114952546BActive Publication Date: 2025-01-10盖多·瓦伦蒂尼
6 Cites -1 Cited by

Patent Information

Application Number
CN202210751946.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2019-07-01
Filing Date
2020-04-24
Publication Date
2025-01-10
Estimated Expiration
2040-04-24

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Abstract

The invention relates to an electric power tool (10) comprising a housing (12), an electric motor (34) located in the housing (12), a working element (22) protruding from the housing (12), the electric motor (34) being connected to the working element (22) so as to impart a rotary working motion (130) and / or an eccentric working motion (130, 132) to the working element (22), and two or more battery packs (36, 44) adapted to provide electrical energy to the electric motor (34) for its operation. It is proposed that one of the battery packs is an external battery pack (36) which is arranged separately from the rest of the electric power tool (10) and is releasably attached to and electrically connected to the rest of the electric power tool (10); and at least one other battery pack is an internal battery pack (44) which is fixedly located inside the housing (38) and electrically connected to the rest of the electric power tool (10).
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Citation Information

Patent Citations

  • device for releasably attaching a grinding wheel to a grinding machine

    DE29923017U1

  • System with a hand-held machine tool and a plate tool

    EP2669044A1

  • Tool with battery pack

    US20050280393A1

  • Electric tool and charging apparatus for electric tool

    WO2013137422A2

  • Battery-operated, hand-held work device with a throttle lever

    CN101817177A