ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,890, issued on June 3, was assigned to MAKITA Corp. (Anjo, Japan).

"Impact tool" was invented by Yasuhito Kawai (Anjo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Durability deterioration caused by a shock load is effectively reduced. An impact driver includes a motor, a carrier including a reduction assembly and rotatable by the motor, a shaft that receives rotation of the carrier and is rotatable relative to the carrier in an overloaded state, a hammer held by the shaft, and an anvil that is struck by the hammer in a rotation direction."

The patent was filed on Nov. 16, 2023, under Application No. 18/510,761.

*For further information, in...