Split wedge draft gear with center friction plate

Details Split wedge draft gear with center friction plate Split wedge draft gear with center friction plate

1986-12-15

1988-04-05

Basinger, Sherman D.

Railway draft appliances

Cushioned

Combined spring and friction

267168, 267205, 213 32R, 213 22, B61G 910

Patent

active

047353287

ABSTRACT:
The draft gear includes a single center friction plate and a pair of spaced apart friction wedges. Six major friction surfaces are defined, four of which are engaged upon contact with the follower, the other two being engaged after about one-half inch of travel. Three major groups of angles are defined, a first being between the friction wedges and the shoes, a second between the friction wedges and the release wedge and a third between the shoes and the spring seat. These groups of angles cooperate to insure that the draft gear will release upon removal of external force.

REFERENCES:
patent: 1939303 (1933-12-01), Herndon

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