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:
Jun. 18, 1991
Filed:
Oct. 11, 1989
Romano Panagin, Turin, IT;
Fiat Ferroviaria S.p.A., Turin, IT;
Abstract
An independent wheel bogie for a railway vehicle comprising a central support structure, four independent arms carrying respective axles of the wheels and articulated to the support structure by resilient bushes, a suspension device for suspending a vehicle body, a center casting fixed to the support structure with the possibility of relative rotation about its vertical axis and adapted to be rigidly fixed to the vehicle body, and a steering control device for the axles comprising a pair of screw and nut linear actuators disposed longitudinally along the sides of the support structure and connected at their ends to the articulated arms on the corresponding side of the structure, and lever mechanisms for actuation of the linear actuators, activatable by a relative rotation between the bogie and the vehicle body.