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:
Aug. 24, 2010
Filed:
May. 17, 2006
Applicants:
Alain Van Acker, Orchies, FR;
Stephane David, Lomme, FR;
Inventors:
Alain Van Acker, Orchies, FR;
Stephane David, Lomme, FR;
Assignee:
E.C.L., Ronchin, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66C 23/06 (2006.01); B66C 23/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device fixed to a first mast cooperates with a contact area located on the outside face of a second mast sliding substantially coaxially in the first mast. The device includes guide units including a roller mounted free to rotate about an axis orthogonal to the axis of the masts, a pad with a bearing face, and a device for displacing the axis of the roller perpendicular to the contact area of the mast, as a function of forces applied by the mast on the roller. The bearing area of the unit on the mast is thus formed by the roller only, or the roller and the pad.