Loading arm with a lock-down device

Details Loading arm with a lock-down device Loading arm with a lock-down device

1989-09-29

1991-01-29

Fox, John C.

Fluid handling

Systems

Articulated or swinging flow conduit

141376, F16L 300

Patent

active

049879251

ABSTRACT:
This invention provides for a spring-balanced loading arm with a positive lock-down device use in a material handling system. It includes a swivel arm which is pivotally connected at one end to a support structure for swivel movement both in horizontal and vertical planes relative to the support structure. There is also provided an extendable lock-down device for positively locking the swivel arm. One end of the lock-down device is pivotally connected to the support structural and the other end is fixedly connected to the swivel arm. The lock-down device is adapted to be locked in position at several predetermined lengths. When the lock-down device is locked in a given position, it also positively locks the swivel arm and prevents any vertical movement of the loading arm.

REFERENCES:
patent: 2727534 (1955-12-01), Briede
patent: 3489174 (1970-01-01), Cooley, Jr.

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