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

1984-09-21

1986-04-08

Reeves, Robert B.

Railway draft appliances

Cushioned

Drawbars

105 3, 213 97, 213184, B61G 502

Patent

active

045806861

ABSTRACT:
A slackless drawbar arrangement for unit train service and the like including a drawbar having enlarged butt end portions each provided with essentially spherical buff and draft load bearing surfaces on the rear and forward surfaces 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.

REFERENCES:
patent: 1549815 (1925-08-01), Tomlinson
patent: 1925319 (1933-09-01), Goodall
patent: 2282146 (1942-05-01), Mealing et al.
patent: 2327240 (1943-08-01), Barrows et al.
patent: 3709376 (1973-01-01), Altherr
patent: 3716146 (1973-02-01), Altherr
patent: 4258628 (1981-03-01), Altherr

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