US 12,304,033 B2
Handheld power tool
Shuai Chen, Nanjing (CN); Rui Xu, Nanjing (CN); Shaobo Liu, Nanjing (CN); Hongtao Ke, Nanjing (CN); Masatoshi Fukinuki, Nanjing (CN); Chao Meng, Nanjing (CN); and Xiaoyong Wang, Nanjing (CN)
Assigned to Nanjing Chervon Industry Co., Ltd., Nanjing (CN)
Filed by Nanjing Chervon Industry Co., Ltd., Nanjing (CN)
Filed on Aug. 31, 2023, as Appl. No. 18/240,515.
Application 18/240,515 is a continuation of application No. PCT/CN2022/076015, filed on Feb. 11, 2022.
Claims priority of application No. 202110343906.3 (CN), filed on Mar. 31, 2021; application No. 202121412620.8 (CN), filed on Jun. 24, 2021; application No. 202110717905.0 (CN), filed on Jun. 28, 2021; application No. 202111197202.6 (CN), filed on Oct. 14, 2021; application No. 202111197205.X (CN), filed on Oct. 14, 2021; application No. 202111198500.7 (CN), filed on Oct. 14, 2021; application No. 202111198520.4 (CN), filed on Oct. 14, 2021; and application No. 202122483377.5 (CN), filed on Oct. 14, 2021.
Prior Publication US 2023/0405776 A1, Dec. 21, 2023
Int. Cl. B25B 21/02 (2006.01); B25F 5/00 (2006.01); B25F 5/02 (2006.01)
CPC B25B 21/02 (2013.01) [B25F 5/001 (2013.01); B25F 5/02 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A handheld power tool, comprising:
a housing comprising a barrel and a head housing;
a drive mechanism comprising an electric motor and a drive shaft, wherein the electric motor outputs power through the drive shaft;
a transmission mechanism comprising a gear assembly; and
an output mechanism comprising an output shaft for outputting power and at least partially disposed in the head housing,
wherein the transmission mechanism drivingly connects the drive mechanism to the output mechanism, the barrel is formed with a first accommodation cavity and a second accommodation cavity, the electric motor is at least partially mounted in the first accommodation cavity, and the gear assembly is at least partially mounted in the second accommodation cavity, and
wherein the gear assembly comprises an inner ring gear comprising a first meshing portion, a second meshing portion is formed in the barrel, and, when the gear assembly is mounted to the barrel, the first meshing portion meshes with the second meshing portion.