The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2024
Filed:
Nov. 26, 2021
Kubota Corporation, Osaka, JP;
Hiroshi Horii, Sakai, JP;
KUBOTA CORPORATION, Osaka, JP;
Abstract
In a working machine, a stroke of an arm cylinder caused when a distance of a tip portion of an arm from a machine body is equal to a predetermined limit distance is defined as a stroke Y, a stroke of a boom cylinder caused when the stroke of the arm cylinder is equal to the stroke Yand a height of the tip portion of the arm is equal to a height of a boom pivot shaft is defined as a stroke X, and when the stroke of the boom cylinder is between Xand a stroke end thereof in a direction to swing the boom upward, the controller restricts the stroke of the arm cylinder to swing the arm in a dumping direction to prevent the arm from swinging further in the dumping direction from a position where the stroke of the arm cylinder is equal to Y