Slackless drawbar assembly using a ball and race assembly at eac

Details Slackless drawbar assembly using a ball and race assembly at eac Slackless drawbar assembly using a ball and race assembly at eac

1994-05-04

1995-10-31

Oberleitner, Robert J.

Railway draft appliances

Cushioned

Drawbars

213 74, 213 61, 105 3, B61G 900

Patent

active

054621798

ABSTRACT:
Slackless drawbar includes female member, having a cavity, engaging end of a railway car. Openings through first and second side walls of cavity. A male member has portion movably disposed in cavity. An aperture formed through such male member. A ball has portion disposed in such aperture and shafts extending from outer surfaces thereof. A portion of one shaft disposed in one opening and a portion of another one disposed in another opening. Such shafts have flat surface portions. A race assembly disposed in such aperture and secured to male member. An inner surface of race surrounds such ball. A second female member, having a cavity, engages end of second car. Openings are formed through second pair of side walls. Another male member has portion movably disposed in second cavity. An aperture formed through the second male member. Another ball includes portion disposed in second aperture and shafts extending from outer surfaces thereof. A portion of one shaft is disposed in one opening and a portion of another one is disposed in another opening. Each such shaft has a flat surface portion. Another race is disposed in such second aperture and secured to such second male member. An inner surface of the second race surrounds such second ball. A securing system secures second end of such first and second male members together. A first pair of wedges engage flat surfaces on such first pair of shafts. A second pair of wedges engage flat surfaces on such second pair of shafts.

REFERENCES:
patent: 4456133 (1984-06-01), Altherr et al.
patent: 5065679 (1991-11-01), Wallace et al.
patent: 5232106 (1993-08-01), Hawthorne et al.
patent: 5277323 (1994-01-01), Wallace et al.

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