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:
Jan. 21, 2025
Filed:
Feb. 14, 2020
Tadano Ltd., Kagawa, JP;
TADANO LTD., Kagawa, JP;
Abstract
The present invention provides a dynamic lift-off control device and a crane with which it is possible to quickly perform dynamic lift-off of a suspended load while suppressing vibration of the load. This dynamic lift-off control device D comprises: a boom (); a winch (); a load weight measurement means (); and a controller () serving as a control unit, the controller () controlling operations of the boom () and the winch (), deriving, when performing dynamic lift-off of the suspended load by hoisting the winch (), an amount of change in a derricking angle of the boom () on the basis of the time change in the measured load weight, and raising the boom () so as to compensate for the amount of change.