Knuckle structure to prevent knuckle pin failure in a railway co

Details Knuckle structure to prevent knuckle pin failure in a railway co Knuckle structure to prevent knuckle pin failure in a railway co

1985-02-06

1987-02-03

Reese, Randolph A.

Railway draft appliances

Couplings

Counterpart

B61G 304

Patent

active

046404228

ABSTRACT:
A knuckle for a railway coupler in which an annular knuckle pin support wall is located between upper and lower knuckle pin holes. The knuckle pin support wall in one embodiment is an annular rib and in another embodiment, a continuous wall is formed between knuckle pin holes to prevent fatigue fracture of the pin due to bending fatigue.

REFERENCES:
patent: Re23796 (1954-03-01), Metzger
patent: 1075426 (1913-10-01), Janney
patent: 2250920 (1941-07-01), Van Dorn
patent: 3640402 (1972-02-01), Altherr et al.

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