Loading arm with a lock-down device

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

F - Mech Eng,Light,Heat,Weapons

16

L

137/70

F16L 3/16 (2006.01) B67D 7/00 (2010.01) B67D 9/02 (2010.01)

Patent

CA 2011167

ABSTRACT OF THE INVENTION This invention provides for a spring-balanced loading arm with a positive lock-down device for use in a material handling system. It includes a swivel arm which is pivotly 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 pivotly 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.

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