In railway construction, the axle guard, or pedestal, with the superincumbent weight, rests on the top of the box (usually with a spring intervening), and holds it in place by flanges. The box rests upon the journal bearing and key, which intervene between the inner top of the box and the axle.
Ax"led (&?;), a. Having an axle; -- used in composition.
Merlin's agate-axled car.
T. Warton.
Ax"le guard` (&?;). The part of the framing of a railway car or truck, by which an axle box is held laterally, and in which it may move vertically; -- also called a jaw in the United States, and a housing in England.
Ax"le*tree` (&?;), n. [Cf. Icel. öxultr&?;.] 1. A bar or beam of wood or iron, connecting the opposite wheels of a carriage, on the ends of which the wheels revolve.