US PATENT SUBCLASS 213 / 20
.~.~ Centering devices
Current as of:
June, 1999
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213 /
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RAILWAY DRAFT APPLIANCES
7
DF
CUSHIONED
{9}
12
DF
.~ Radially movable {5}
20
.~.~ Centering devices {1}
21
DF
.~.~.~
> Drawbar carriers
DEFINITION
Classification: 213/20
(under subclass 18) Devices wherein self-acting means are employed to move the draft devices into alignment with the center line of the car.