US 12,220,791 B2
Impact tool
Ryunosuke Kumagai, Anjo (JP); Tokuo Hirabayashi, Anjo (JP); Hidenori Nagasaka, Anjo (JP); and Manabu Sugimoto, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Filed by MAKITA CORPORATION, Anjo (JP)
Filed on Jan. 10, 2024, as Appl. No. 18/409,099.
Application 18/409,099 is a division of application No. 17/326,724, filed on May 21, 2021, abandoned.
Application 16/244,356 is a division of application No. 15/477,388, filed on Apr. 3, 2017, granted, now 10,213,907, issued on Feb. 26, 2019.
Application 17/326,724 is a continuation of application No. 16/244,356, filed on Jan. 10, 2019, granted, now 11,045,926, issued on Jun. 29, 2021.
Application 15/477,388 is a continuation of application No. 14/064,278, filed on Oct. 28, 2013, granted, now 9,643,300, issued on Apr. 19, 2017.
Claims priority of application No. 2012-285063 (JP), filed on Dec. 27, 2012.
Prior Publication US 2024/0139915 A1, May 2, 2024
Int. Cl. B25B 21/02 (2006.01); B25F 5/00 (2006.01); B25F 5/02 (2006.01); B25B 23/14 (2006.01); B25D 11/04 (2006.01)
CPC B25B 21/02 (2013.01) [B25B 21/026 (2013.01); B25F 5/001 (2013.01); B25F 5/008 (2013.01); B25F 5/02 (2013.01); B25B 23/1405 (2013.01); B25D 11/04 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An impact tool, comprising:
a brushless motor including a stator and a rotor that is rotatable with respect to the stator, an axis of rotation of the rotor extending in a front-rear direction of the impact tool;
a motor housing that houses the brushless motor and includes a left motor housing, a right motor housing, and a rear motor housing;
a battery pack disposed below the motor housing in an up-down direction perpendicular to the front-rear direction;
a plurality of first screws that extend in a left-right direction perpendicular to the up-down direction and to the front-rear direction and fix the left motor housing to the right motor housing;
a plurality of second screws that extend in the front-rear direction and fix the rear motor housing to the left motor housing and to the right motor housing;
a fan disposed between the rotor and the rear motor housing;
a grip housing disposed downward of the motor housing in the up-down direction;
a planetary gear mechanism disposed frontward of the motor in the front-rear direction;
a spindle disposed frontward of the planetary gear mechanism in the front-rear direction;
a hammer disposed on an outer circumference of the spindle; and
an anvil disposed frontward of the hammer in the front-rear direction.