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. 28, 2012
Filed:
Nov. 12, 2008
Applicants:
Enrico Sedoni, Modena, IT;
Gianpaolo Pasini, Modena, IT;
Inventors:
Enrico Sedoni, Modena, IT;
Gianpaolo Pasini, Modena, IT;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60T 7/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A trailer braking device having a high-pressure main hydraulic circuit of a tractor to which a trailer is attached; to a hydraulic circuit of a master brake cylinder of the tractor; and a trailer brake valve having a driver connected hydraulically to the high-pressure main hydraulic circuit and to the hydraulic circuit. The driver of the device has a piston which is subjected to a first action by an independent circuit that is activated, for example, by the stop lights and a second action produced by the operator, such as a foot acting on a brake pedal, on the hydraulic circuit of the master brake cylinder.