ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,878, issued on Jan. 27, was assigned to Caterpillar SARL (Geneva).
"Drive control device for fluid pressure cylinder" was invented by Isao Konishi (Akashi, Japan), Sei Shimahara (Akashi, Japan) and Yoshitaka Kato (Akashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Problems: Provided is a drive control device for a fluid pressure cylinder that has good operability for expanding and contracting the fluid pressure cylinder in the vicinity of a stroke end. Solutions: A drive control device includes an expansion and contraction unit configured to expand contract a fluid pressure cylinder in response to an operation of an operating body; a posit...