Slackless self-adjusting rotary drawbar for railroad cars

Details Slackless self-adjusting rotary drawbar for railroad cars Slackless self-adjusting rotary drawbar for railroad cars

B - Operations, Transporting

61

G

213/58, 213/62

B61G 5/02 (2006.01)

Patent

CA 1239905

ABSTRACT OF THE DISCLOSURE A slackless drawbar arrangement for unit train service and the like including a drawbar having an enlarged butt end portions each provided with essentially spherical buff and draft load bearing surfaces on the rear and forward surface thereof. The enlarged butt end portions are supported by a front draft block and a rear buff block within a center sill. The front draft block is supported against a curved surface of a wear block which is, in turn, supported by keys welded to the sill. The rear buff block is supported against a gravity-activated wedge which is, in turn, supported by rear draft lugs welded to the center sill. A bottom plate retains the various blocks inside the cavity of the center sill.

485775

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