Railway rolling stock – Trucks – Bogie
Patent
1977-10-25
1979-09-18
Husar, Francis S.
Railway rolling stock
Trucks
Bogie
105193, 105207, B61F 506, B61F 512, B61F 524, B61F 552
Patent
active
041679075
ABSTRACT:
A three-piece dampener assembly provides means to depress vertical and horizontal oscillations between ends of a bolster of a railroad car truck and side frames of the truck. This assembly includes a control or friction shoe having an outer vertical engaging surface for contact with a vertical wear plate of a pocket formed in the side frame and an inner projecting triangular-shaped segment. The triangular segment is covered by a relativley low friction adapter and engages a like triangular-shaped wedge slot formed in a control or friction shoe housing. The housing further includes an inclined wear surface for engaging with a complementary inclined friction surface formed in the bolster and a bottom surface for supportive engagement with a coil spring carried in the side frame pocket below the bolster.
REFERENCES:
patent: 2257109 (1941-09-01), Davidson
patent: 2352693 (1944-07-01), Davidson
patent: 2422638 (1947-06-01), Tucker
patent: 2514776 (1950-07-01), Mangels
patent: 3026819 (1962-03-01), Cope
Kaufhold Horst T.
Mulcahy Harry W.
Amsted Industries Incorporated
Beltran Howard
Husar Francis S.
Kostka Fred P.
Schmitt John L.
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