US Patent Issued to Murata Machinery on Nov. 3 for "Stacker crane" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,629, issued on Nov. 3, was assigned to Murata Machinery Ltd. (Kyoto, Japan).

"Stacker crane" was invented by Fumiki Goto (Inuyama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stacker crane includes a traveling assembly including a drive wheel being at least one of a first wheel and a second wheel opposing each other across a rail and a mover to move the drive wheel, the first wheel, and the second wheel. The mover includes first and second contact pressure adjusters to adjust a contact pressure of the drive wheel against the rail by moving the drive wheel to cause the first wheel and the second wheel to move farther away from or closer to ...