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.:

US 7946411 B1

PDF
Full Text
Expired
Date of Patent:
May. 24, 2011

Filed:

Mar. 11, 2009
Applicants:

Miguel Angel Gonzalez Alemany, Oviedo, ES;

Abdón Muniz Camblor, Oviedo, ES;

Iván Ruiz Patallo, Gijon, ES;

Mónica Diaz Sorribas, Gijon, ES;

Inventors:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 23/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

Auxiliary drag mechanism at variable speed, consisting of a variable pitch worm being geared with connection means of the components to be moved, at least during part of their path of travel, at variable speed. The worm is mounted between two end supports () and at least one intermediate support (), whose supports leave free the gearing area between the connection means and the worm, along said worm.


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