US 12,138,751 B2
Impact tool
Rui Xu, Nanjing (CN); Yuyi Zheng, Nanjing (CN); Chen Wang, Nanjing (CN); Masatoshi Fukinuki, Nanjing (CN); Biao Zhang, Nanjing (CN); Hongtao Ke, Nanjing (CN); Hengyong Hu, Nanjing (CN); Chuan Geng, Nanjing (CN); Xiaoyong Wang, Nanjing (CN); and Di Wu, Nanjing (CN)
Assigned to Nanjing Chervon Industry Co., Ltd., Nanjing (CN)
Filed by Nanjing Chervon Industry Co., Ltd., Nanjing (CN)
Filed on Jan. 9, 2023, as Appl. No. 18/094,475.
Claims priority of application No. 202210086517.1 (CN), filed on Jan. 25, 2022; application No. 202210300738.4 (CN), filed on Mar. 25, 2022; application No. 202210302299.0 (CN), filed on Mar. 25, 2022; application No. 202221569354.4 (CN), filed on Jun. 22, 2022; and application No. 202223396429.6 (CN), filed on Dec. 15, 2022.
Prior Publication US 2023/0234193 A1, Jul. 27, 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)] 15 Claims
OG exemplary drawing
 
1. An impact tool, comprising:
a motor comprising a drive shaft that rotates about a first axis;
an output shaft used for outputting power and rotating about an output axis;
an impact assembly used for applying an impact force to the output shaft and comprising a main shaft driven by the drive shaft, an impact block connected to the main shaft, and a hammer anvil mating with and struck by the impact block;
a housing in which the motor is at least partially accommodated;
a hammer housing formed on or connected to the housing, wherein the output shaft is at least partially accommodated in the hammer housing; and
a grip connected to or formed on the housing;
wherein a length L from a rear end of the housing to a front end of the output shaft is greater than or equal to 78 mm and less than or equal to 97 mm and an outer circumferential diameter D of the housing is less than or equal to 60 mm.