Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Position or guide means
Patent
1975-02-10
1976-03-16
Kundrat, Andrew V.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Position or guide means
403317, 248119S, F16D 900
Patent
active
039443752
ABSTRACT:
A fifth wheel plate assembly for a trailer hitch for securing trailers to railway flat cars includes a top plate having an opening in which a movable clamp or lock jaw is supported for grasping and locking the kingpin of a trailer to the fifth wheel. The lock jaw is provided with slidable extensions including transversely extending brackets between which a threaded follower is positioned, the same in turn being actuated by means of a lock screw mounted for rotation on the fifth wheel assembly. The follower in response to rotation of the screw actuates the jaw and slide assembly for moving the same between kingpin engaging and disengaging positions. A plurality of concavo-convex washers are supported between the follower and one of the brackets thus permitting a limited longitudinal movement in one direction of slide assembly and jaw to cushion certain impact stresses exerted on the kingpin contained between the clamping members and thereby preventing damage to the drive screw and associated structure.
REFERENCES:
patent: 2880681 (1959-04-01), Markestein et al.
patent: 3003434 (1961-10-01), Clejan
patent: 3087748 (1963-04-01), Livelsberger et al.
patent: 3145006 (1964-08-01), Robinson et al.
patent: 3234893 (1966-02-01), Sweda
patent: 3602469 (1971-08-01), Hammonds
patent: 3751079 (1973-08-01), Marulic et al.
Ferris Ray L.
Marulic Walter J.
Kundrat Andrew V.
Myers Richard J.
Pullman Incorporated
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