US Patent Issued to T-RIG on June 16 for "Hydraulic impact mechanism for use in equipment for processing rock and concrete" (French Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,687, issued on June 16, was assigned to T-RIG Ltd. (Ireland).

"Hydraulic impact mechanism for use in equipment for processing rock and concrete" was invented by Alain Carbonnel (Lyons, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a valveless hydraulic impact mechanism for connection to a tool for processing rock or concrete or both, wherein the position for the opening of the drainage channel is arranged along the cylinder bore so as to be opened and closed by a portion of the reciprocating strike piston, the position for the opening of the connection channel leading to the first drive chamber is arranged along the cy...