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:
Mar. 07, 2017
Filed:
Jan. 21, 2016
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
HITACHI CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;
Abstract
Disclosed is a dumping work determination system for a haulage vehicle provided with a body frame, a vessel and a drive mechanism for selective raising or lowering of the vessel. The system is applicable to the vehicle to determine a state of loading in the vessel in dumping work, and includes a body frame speed detector, a tilted state detector, a shake detector, and a payload-stuck state determination unit. Based on signals from the detectors, the unit determines whether or not the state of loading is a payload-stuck state. Specifically, the unit determines the payload-stuck state when the speed of the body frame is detected to have reached lower than a predetermined speed, the vessel is detected to have tilted to a predetermined position, and a state where the vessel can be considered to have no longer produced shakes is detected by the shake detector.