ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,666, issued on July 29, was assigned to Black & Decker Inc. (New Britain, Conn.).
"Counterbalancing mechanism and power tool having same" was invented by Yanchao Wang (Towson, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reciprocating power tool may include a driving system including a motor and a transmission received in a housing to drive a reciprocating mechanism. A counterbalance mechanism may be coupled between the driving system and the reciprocating mechanism. The counterbalance mechanism may include a rotating counterbalance mechanism including a first rotating counterweight member and a second rotating counterweight member coupled t...