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. 31, 2015
Filed:
Oct. 04, 2012
Drillmec Spa, Gariga di Podenzano, IT;
Stefano Ferrari, Gariga di Podenzano, IT;
Drillmec S.p.A., Gariga di Podenzano (PC), IT;
Abstract
A reclosable mast () for drilling rig includes two opposed latticed structures (), constrained at one end to the base structure () placed in the drilling site 'P' and to each other, defining side faces () of the mast (). U-shaped structures, each include a rear bar (), adapted to get compressed when closing the mast (), and two side shoulders () parallel to each other and perpendicular to the an associated bar (). The U-shaped structures are arranged at preset intervals between the two latticed structures (), the rear bars defining the rear face or back () of the mast (). The mast () includes a diagonal members () located on the rear faceof the mast and constrained, between two superimposed U-shaped structures, the diagonal members () being adapted to split into at least two portions; reducing their longitudinal extension, and to allow reducing the dimension.