ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,228, issued on May 6, was assigned to iRobot Corp. (Bedford, Mass.).
"Mobile cleaning robot suspension" was invented by Timothy R. Ohm (Grover Beach, Calif.) and Erik Amaral (Bolton, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mobile cleaning robot can be movable within an environment, the mobile cleaning robot can include a body, a drive wheel arm, a drive wheel, a cam, and a cam follower. The drive wheel arm can be connected to the body and can be movable with respect to the body between an extended position and a retracted position. The drive wheel can be connected to the drive wheel arm and can be movable therewith. The drive wheel ca...