ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,556, issued on March 24, was assigned to EAGLE INDUSTRY Co. LTD. (Tokyo).
"Sliding member" was invented by Yuichiro Tokunaga (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pair of sliding members sliding relative to each other at sliding faces (S) is configured such that at least one of the sliding faces (S) includes a negative pressure generation mechanism (21) separated from a leakage side by a leakage-side land portion (R2) and a land portion (26) arranged in the negative pressure generation mechanism (21). In the compact sliding members, sliding torque can be reduced and a sealing function can be maintained."
The patent was filed on S...