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:
Dec. 30, 2014

Filed:

Apr. 28, 2011
Applicants:

Thomas Balder, Leiden, NL;

Cornelis Van Zandwijk, Waddinxveen, NL;

Cornelis Benard, Vlaardingen, NL;

Inventors:

Thomas Balder, Leiden, NL;

Cornelis Van Zandwijk, Waddinxveen, NL;

Cornelis Benard, Vlaardingen, NL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66D 1/30 (2006.01); B66D 1/74 (2006.01);
U.S. Cl.
CPC ...
B66D 1/7405 (2013.01);
Abstract

A traction device for paying out and retrieving a flexible line including a line mover, wherein the line mover includes at least one movable friction surface, the friction surface in total defines at least two arc sections configured to move the line along with the arc sections, in use the line is wound around the friction surface such that the line has a first contact area being in contact with the first arc section and a second contact area being in contact with the second arc section, and the traction device includes a line controller coupled to the line between the first contact area and the second contact area and configured to control the velocity with which the line in use is fed to the second arc section, and also a method and use of the traction device.


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