US Patent Issued to Hewlett-Packard Development on Aug. 4 for "Movable cleaning device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,699,339, issued on Aug. 4, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).

"Movable cleaning device" was invented by Kensuke Nakajima (Yokohama, Japan), Satoru Hori (Yokohama, Japan), Koji Miyake (Yokohama, Japan) and Shun Ikeura (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning device includes a contact member that contacts a rotation surface and a lever device which displaces the contact member. The lever device includes a roller which contacts the rotation surface and a lever which supports the roller to rotate in response to a forward rotation of the rotation surface. The lever is displaced by receiving a ...