Apparatus for clamping a railroad car in a rotary car dumper

Details Apparatus for clamping a railroad car in a rotary car dumper Apparatus for clamping a railroad car in a rotary car dumper

1982-04-06

1984-04-24

Paperner, Leslie J.

Material or article handling

Wheeled, load-transporting type vehicle and external means...

Vehicle-holding framework rotatable about fixed axis passing...

92165PR, 414763, B65G 6754

Patent

active

044445393

ABSTRACT:
A clamp for securing a railroad car in a rotary car dumper includes a guide pipe member mounted adjacent the section of track carried by the rotatable dumper frame, a clamp pipe member telescopically mated with the guide pipe member and a clamping jaw member extending laterally from the free end of the clamp pipe member toward the track section. Releasable coupling means in the form of a longitudinal slot in one pipe member which is engaged by a radially extending guide bar member tack welded or bolted to, or inserted in a slot in, the other pipe member permits the clamp pipe member to be extended and retracted relative to the guide pipe member by a coaxially mounted hydraulic cylinder while resisting rotational movement therebetween. If excessive torque is applied to the clamp pipe member, such as when the clamping jaw member is struck by a moving car, the guide bar member is sheared and the clamping pipe member rotates to swing the clamping jaw member out of the path of the car.

REFERENCES:
patent: 553122 (1896-01-01), Long
patent: 1465006 (1923-08-01), Simpson et al.
patent: 3081066 (1963-03-01), Murawski
patent: 3116843 (1964-01-01), Clark
patent: 3232459 (1966-02-01), Sabin
patent: 3760961 (1973-09-01), Haditsch
patent: 3777914 (1973-12-01), Cheek et al.
patent: 4134503 (1979-01-01), Baker

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