ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,980, issued on April 21, was assigned to Minetec S.A. (Santiago, Chile).
"Snubber for excavator bucket door" was invented by Bernardo Luis Vera Torres (Santiago, Chile), Claudio Devon Zamorano Jones (Santiago, Chile) and Cristian Francisco Zaldivar Espinoza (Santiago, Chile).
According to the abstract* released by the U.S. Patent & Trademark Office: "A snubber for an excavator bucket, comprising: a circular body with a chamber having circular side plates; a shaft mounted on the circular side plates by means of bearings; a vane on said shaft inside the chamber that rotates in solidarity with it, where the vane is in contact with the circular side plates; a sealing surface on the ...