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:
Feb. 26, 2013
Filed:
Jan. 14, 2010
Daniel Perpezat, Rueil-Malmaison, FR;
Laurent Pivert, Rueil-Malmaison, FR;
Philippe Chagnot, Rueil-Malmaison, FR;
Daniel Perpezat, Rueil-Malmaison, FR;
Laurent Pivert, Rueil-Malmaison, FR;
Philippe Chagnot, Rueil-Malmaison, FR;
Soletanche Freyssinet, Rueil-Malmaison, FR;
Abstract
The invention relates to a vibrator device for a vibratory compacting machine, said device comprising: a tubular body extending longitudinally and having a bottom end; at least one first hydraulic motor disposed in the tubular body and comprising a rotor and a stator; an eccentric member arranged inside the tubular body between the bottom end and the first hydraulic motor, said eccentric member being adapted to be rotated by the rotor of the first hydraulic motor so as to generate vibration. The invention is characterized in that the stator of the first hydraulic motor is constituted by the tubular body.