ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,138, issued on April 14, was assigned to MAKITA Corp. (Anjo, Japan).
"Power tool having a hammer mechanism" was invented by Yoshiro Tada (Anjo, Japan), Masanori Furusawa (Anjo, Japan) and Kei Watanabe (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool includes a motor, a hammer mechanism, and a housing. The motor has a motor shaft that rotates around a motor axis. The hammer mechanism includes a cylinder and a hammer element adjacent to an air chamber defined within the cylinder and is configured to convert rotary motion of the motor shaft to linear motion of the hammer element along a prescribed hammer axis by utilizing actio...