Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRIC TOOL
Document Type and Number:
WIPO Patent Application WO/2020/238950
Kind Code:
A1
Abstract:
An electric tool (100), comprising: an output shaft (111) capable of rotating or swinging around a first axis (101); a mounting device (110) used for mounting a working accessory (200) to the electric tool, the mounting device having a working state and a mounting state; further comprising: a retaining mechanism (160), at least capable of providing a retaining force for retaining the mounting device in a state of allowing the disassembly/assembly of the working accessory; wherein the retaining mechanism comprises: a movable member (133); the output shaft forms a guide rail (1111) guiding the movement of the movable member, and the movable member can move to a first retaining position and a second retaining position along the guide rail; when the mounting device is in the mounting state and receives a rotation force applied by the working accessory, the rotation force enables the movable member to move to the first retaining position from the second retaining position, so that the mounting device is switched from the mounting state to the working state.

More Like This:
Inventors:
FU XIANGQING (CN)
HAO JINGDONG (CN)
CHEN LIANG (CN)
WU SHUMING (CN)
Application Number:
PCT/CN2020/092571
Publication Date:
December 03, 2020
Filing Date:
May 27, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NANJING CHERVON IND CO LTD (CN)
International Classes:
B24B45/00; B24B23/02; B25F1/02
Domestic Patent References:
WO2013115142A12013-08-08
Foreign References:
CN109465716A2019-03-15
CN202172770U2012-03-28
US4730952A1988-03-15
CN208663500U2019-03-29
US10213897B22019-02-26
CN108698198A2018-10-23
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
Download PDF: