ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,401, issued on May 27, was assigned to ALPHA Q INC. (Colchester, Conn.).
"Chamfer gage with interchangeable anvils" was invented by Philip Gronback (Scotland, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Applicant has disclosed a chamfer gage with interchangeable anvil assemblies which can measure the diameter of chamfered holes and the chamfer angle (up to 135deg). In the preferred embodiment, the chamfer gage comprises: an indicator housing; a compression fitting, attached to the housing, for securing an indicator spindle for movement inside the housing; and an interchangeable anvil assembly, having an anvil body with a depressible anvil o...