US 11,938,593 B2
Impact tool
Tomoyuki Kondo, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Filed by MAKITA CORPORATION, Anjo (JP)
Filed on Jun. 24, 2022, as Appl. No. 17/849,179.
Claims priority of application No. 2021-129436 (JP), filed on Aug. 6, 2021.
Prior Publication US 2023/0043704 A1, Feb. 9, 2023
Int. Cl. B25B 21/02 (2006.01)
CPC B25B 21/02 (2013.01) 20 Claims
OG exemplary drawing
 
1. An impact tool, comprising:
a motor;
a striker drivable by the motor;
an anvil including an anvil shaft to receive a tip tool, and an anvil projection protruding radially outward from a rear end of the anvil shaft to be struck by the striker in a rotation direction;
a hammer case accommodating the striker;
a bearing held in the hammer case and surrounding the anvil shaft, the bearing including,
an inner ring, and
an outer ring located radially outward from the inner ring;
a ring member at least partially facing a front surface of the anvil projection, the ring member being in direct contact with a rear end face of the outer ring without being in direct contact with a rear end face of the inner ring; and
a stopper engaging with the hammer case and the ring member to reduce moving of the ring member rearward.