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:
Jul. 27, 2021
Filed:
Jan. 20, 2017
Applicant:
Matisa Materiel Industriel S.a., Crissier, CH;
Inventor:
Joerg Ganz, Etoy, CH;
Assignee:
MATISA Materiel Industriel S.A., Crissier, CH;
Primary Examiner:
Int. Cl.
CPC ...
E01B 27/16 (2006.01); E01B 27/20 (2006.01);
U.S. Cl.
CPC ...
E01B 27/16 (2013.01); E01B 27/20 (2013.01); E01B 2203/12 (2013.01);
Abstract
A tamping machine includes at least one first tamping unit with first tamping tools and a first hydraulic motor provided with a first drive shaft driving the first tamping tools so as to generate tamping movements, and a second tamping unit adjacent the first tamping unit with second tamping tools and a second hydraulic motor provided with a second drive shaft driving the second tamping tools so as to generate tamping movements. The first hydraulic motor and the second hydraulic motor are supplied with power by a common synchronized hydraulic power supply system.