EP 0379735 A2 19900801 - Rack railway vehicle with improved trucks.
Title (en)
Rack railway vehicle with improved trucks.
Title (de)
Zahnradbahnfahrzeug mit verbessertem Motordrehgestell.
Title (fr)
Véhicule de chemin de fer à crémaillère à bogie de traction.
Publication
Application
Priority
IT 1918089 A 19890125
Abstract (en)
Rack railway vehicle with single-axle trucks, which single axle is integral with two idling wheels borne by it and running on the tracks, and is integral with at least one gear wheel inmeshing with a rack rail, which railway vehicle comprises two equal trucks installed opposite to each other under the flatbed, or load-bearing chassis of the vehicle; wherein each one of said trucks comprises a bridge-shaped structure (2) connected with the flatbead of the vehicle by means of a ball joint (3) and a pair of generally vertical springs (5), positioned at the three vertices of a triangle, with said bridge-shaped structure two electrical motors (9) being connected, which are suitable for transmitting the motion, by means of couplings (10) incorporating a disk brake and two separate speed reduction gears (12), to a gear wheel (17) integral with the wheel axle and inmeshing with said rack rail (18), with said bridge-shaped structure also comprising an emergency brake (24) of the passive-action type with a hydraulic cylinder, equipped with shoes with end pads (25) suitable for self-blocking onto the head of the rail in case of absence of pressure inside said hydraulic cylinder, with said emergency brake being furthermore equipped with derailment-preventing teeth.
IPC 1-7
IPC 8 full level
B61B 13/02 (2006.01); B61C 11/04 (2006.01); B61H 5/00 (2006.01); B61H 9/00 (2006.01)
CPC (source: EP)
B61C 11/04 (2013.01); B61H 5/00 (2013.01); B61H 9/00 (2013.01)
Designated contracting state (EPC)
AT CH DE FR LI
DOCDB simple family (publication)
EP 0379735 A2 19900801; EP 0379735 A3 19910710; EP 0379735 B1 19931201; AT E97864 T1 19931215; DE 68911123 D1 19940113; DE 68911123 T2 19940331; IT 1228346 B 19910614; IT 8919180 A0 19890125
DOCDB simple family (application)
EP 89124058 A 19891228; AT 89124058 T 19891228; DE 68911123 T 19891228; IT 1918089 A 19890125