Railway draft appliances – Cushioned – Drawbars
Patent
1994-09-19
1996-08-20
Le, Mark T.
Railway draft appliances
Cushioned
Drawbars
213 61, 213 66, B61G 900
Patent
active
055470890
ABSTRACT:
A slackless drawbar comprising a female member with one end engaging an end of a car body center sill and another end extends outwardly from the center sill end. A cavity formed in such other end defined by inner surfaces of the back wall, top wall and pair of side walls and open at a bottom and outer end thereof. Openings are formed through each side wall. A male member includes a first end movably disposed in such cavity and a second end. An aperture is formed through such male member first end. A portion of a spherical shaped member is disposed in such aperture. A pair of shaft members extend from outer surfaces of such spherical member. A portion of each shaft member is disposed in respective side wall openings. Each shaft member has a flat surface formed thereon. A race having a portion thereof disposed in such aperture and secured to such male member. The race inner surface is disposed around the spherical member. A pair of wedges, a surface of one wedge engages one of such shaft members flat surfaces and another surface of such one wedge engages a flat vertical surface formed on one side wall adjacent a portion of such first opening and a surface of the other wedge engages another of such flat surfaces formed on such shaft members and another surface of such another wedge engages a flat vertical surface formed on a second side wall adjacent a portion of such second opening. A securing device secures such second end of such male member to a second end of another male member.
REFERENCES:
patent: 1978859 (1934-10-01), Draeger
patent: 5042393 (1991-08-01), Kanjo et al.
patent: 5065679 (1991-11-01), Wallace et al.
patent: 5131331 (1992-07-01), Lynch et al.
patent: 5232106 (1993-08-01), Hawthorne et al.
patent: 5271511 (1993-12-01), Daugherty et al.
patent: 5277323 (1994-01-01), Wallace et al.
Daugherty Jr. David W.
Hawryszkow Michael G.
Kanjo Wajih
Le Mark T.
Westinghouse Air Brake Company
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