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. 27, 2019
Filed:
Apr. 05, 2017
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Assignee:
Caterpillar Inc., Deerfield, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/24 (2006.01); G05B 19/18 (2006.01); A01B 76/00 (2006.01); B23Q 11/00 (2006.01); F16P 3/00 (2006.01);
U.S. Cl.
CPC ...
G05B 19/182 (2013.01); A01B 76/00 (2013.01); B23Q 11/0085 (2013.01); E02F 9/24 (2013.01); F16P 3/00 (2013.01); G05B 2219/50245 (2013.01);
Abstract
The invention relates to a control method for a quick change device of a work tool, comprising the steps of: receiving a command to disengage a work tool clamping device; determining whether the work tool clamping device is in an engaged state; detecting functionality of a disengagement alarm if the work tool is in the engaged state; switching to an emergency state upon the detection of failure of the disengagement alarm. The present invention further relates to a corresponding control apparatus and work machine.