ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,926, issued on March 3.
"Output energy adjustable gas spring fastener drive tool" was invented by Jing Li (Qianjiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses an output energy adjustable gas spring fastener drive tool, comprising a housing; a control circuit board, which is arranged in the housing and used for receiving and outputting signals; a trigger, which is arranged on the housing and used for the operation of the drive tool; a first cylinder block assembly, which comprises a first cylinder barrel for storing compressed gas, a piston arranged in the first cylinder barrel and a drive blade arranged on the pis...