Railway draft appliances – Cushioned – Combined spring and friction
Patent
1979-06-01
1981-08-11
Halvosa, George E. A.
Railway draft appliances
Cushioned
Combined spring and friction
213 29, 213 32R, 267138, 267168, 267169, 267177, F16F 106, B61G 1106, B61G 1114
Patent
active
042829798
ABSTRACT:
An arrangement for resilient absorption of forces, particularly for an intermediate buffer coupling of rail vehicles, comprises an elongated housing having open and closed ends, a friction element located in the region of the open end of the housing, a resilient element cooperating in series with the friction element and formed as a friction spring including a plurality of inner conical rings and a plurality of outer conical rings cooperating with one another with interposition of lubricant, outer and inner cup-shaped casing members located in the housing and closeably accommodating the friction spring. The outer cup-shaped member forms a support for one end of the friction spring, whereas the inner cup-shaped member forms a support for the other end of the friction spring. A sealing element is fitted on the outer cup-shaped member and held on the inner cup-shaped member so that the outer and inner cup-shaped members can move relative to one another in a direction of elongation of the housing, but at the same time are sealed by the sealing element.
REFERENCES:
patent: 1882801 (1932-10-01), Geiger
patent: 1894385 (1933-01-01), Webb
patent: 2053990 (1936-09-01), Goodwin
patent: 2471061 (1949-05-01), Dath
patent: 3164263 (1965-01-01), Novikov et al.
patent: 3227288 (1966-01-01), Mulcahy et al.
patent: 4143898 (1979-03-01), Klaus et al.
Halvosa George E. A.
Ringfeder G.m.b.H.
Striker Michael J.
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