US PATENT SUBCLASS 105 / 221.2
.~.~.~ Key release

Current as of: June, 1999
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105 /   HD   RAILWAY ROLLING STOCK

157.1  DF  TRUCKS {27}
218.1  DF  .~ Axle bearing mounting {9}
221.1  DF  .~.~ Releasable enclosure {1}
221.2.~.~.~ Key release

DEFINITION

Classification: 105/221.2

Key release:

(under subclass 221) Truck .,1 including a frame having an open bottom slot for receiving the axle and including a slot blocking member for attachment to only one side of the a slot to retain the axle in the slot.