Railway rolling stock – Trucks – Bogie
Patent
1997-12-15
1998-12-22
Morano, S. Joseph
Railway rolling stock
Trucks
Bogie
B61F 506
Patent
active
058507957
ABSTRACT:
A rail car truck damping system includes a bolster with a bolster pocket having an interior slanted wall, a side frame having a column wear resistant surface facing said pocket and a friction wedge positioned within the pocket. The wedge has a body with an area of contact facing the bolster pocket slanted wall which is formed by a pair of spaced planar generally parallel surfaces with a recess therebetween. The bolster pocket slanted wall has an elongated outward extension aligned with the wedge recess and extending therein, with the extension functioning to resist lateral movement of the wedge within the bolster pocket. The wedge body has an area of contact facing the side frame column wear resistant surface which is formed by a pair of spaced planar generally parallel surfaces with a recess therebetween. The side frame column wear resistant surface has a vertical extension aligned with the wedge recess and extending therein, with the extension restraining relative lateral movement between the bolster and the side frame.
REFERENCES:
patent: 4103623 (1978-08-01), Radwill
patent: 5511489 (1996-04-01), Bullock
patent: 5555817 (1996-09-01), Taillon et al.
patent: 5555818 (1996-09-01), Bullock
Morano S. Joseph
Standard Car Truck Company
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