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. 15, 2022
Filed:
Jun. 08, 2020
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Robert E. Riedel, Jr., Fox River Grove, IL (US);
Nickolas J. Gretz, Lake in the Hills, IL (US);
James D. McPhail, Round Lake Heights, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 27/12 (2006.01); B25B 13/50 (2006.01); B25B 23/00 (2006.01);
U.S. Cl.
CPC ...
F16K 27/12 (2013.01); B25B 13/50 (2013.01); B25B 23/0078 (2013.01);
Abstract
Method of removing a valve cap threadedly engaged with a valve body includes inserting at least one coupling rod from a cap adapter through a valve cap attachment hole to couple the structures, coupling an output drive of a torque multiplier with the adapter, and exerting an input torque on the torque multiplier to rotate the adapter and valve cap, the input torque exerted on the torque multiplier being increased by the torque multiplier.