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.

Date of Patent:
Jan. 08, 2019

Filed:

Jun. 10, 2016
Applicant:

Manitowoc Crane Companies, Llc, Manitowoc, WI (US);

Inventors:

Brian Nicholas Nysse, Center City, MN (US);

Timothy James Albinger, Manitowoc, WI (US);

Assignee:

Manitowoc Crane Companies, LLC, Manitowoc, WI (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B66C 23/90 (2006.01); B66C 13/16 (2006.01); B66C 13/18 (2006.01); B66C 23/42 (2006.01); B66C 23/76 (2006.01);
U.S. Cl.
CPC ...
B66C 23/905 (2013.01); B66C 13/16 (2013.01); B66C 13/18 (2013.01); B66C 23/42 (2013.01); B66C 23/76 (2013.01);
Abstract

A system and method for calculating a crane capacity for a crane having a variable position counterweight at an intermediate position is disclosed. In the method a boom combination is determined and a maximum capacity at a hook position is determined for the boom combination. A target value for an operating condition is established dependent on a balance of the crane between the variable position counterweight and a load on the hook. An indication is received of an intermediate counterweight position, and a load is calculated for the hook at the hook position for the boom combination and the intermediate counterweight position that results in the operating condition having the target value to determine an intermediate capacity. The intermediate capacity is compared with the maximum capacity and the lower of the maximum capacity and the intermediate capacity is output.


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