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:
Sep. 02, 2014
Filed:
Jul. 29, 2009
Stefano Ferrari, Barbiano, IT;
Stefano Ferrari, Barbiano, IT;
Drillmec S.p.A., Gariga di Podenzano (PC), IT;
Abstract
A draw-works () is for maneuvering drilling devices that includes a winder () for winding at least one rope (), which is centered on a shaft () having one first end and one second end and rotating in one first direction and in one second direction opposite to the first. The winder () is at least partially substantially cylindrical in shape. One or more supports () rotatably support the shaft (). Motors () are designed to enable rotation in the first direction and in the second direction of the shaft () and of the winder (). The supports () and the motors () are fixed to a frame base (). The motors () are set on both sides of the winder () and connect to them without speed-reducing elements, with direct drive on the shaft ().