ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,685, issued on Nov. 4, was assigned to DEERE & COMPANY (Moline, Ill.).
"Piston clutch" was invented by William J. Vande Haar (Janesville, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic clutch of a work vehicle includes a clutch pack, a drum, a hub, a first piston, a piston guide, and a second piston. The first piston has a first end wall and a first engaging portion extending axially from the first end wall toward the clutch pack. The piston guide has a guide body extending axially from a closed end of the drum, passing through the first end wall of the first piston, and extending radially to an inner periphery of the first piston to...