ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,160, issued on Dec. 30, was assigned to AGCO International GmbH (Neuhausen, Switzerland).
"Cassette seal" was invented by Klaus Bayer (Marktoberdorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cassette seal for sealing an annular gap between a shaft and a housing has an annular rotational member for mounting rotationally fast with the shaft and an annular stationary member for mounting to the housing. The stationary member has a sealing lip resiliently engaging the rotational member to form an oil seal between them. The rotational member has secondary sealing lips engaging the stationary member axially outboard of the oil sealing lip. ...