Mechanism for connecting and disconnecting crane sections

Details Mechanism for connecting and disconnecting crane sections Mechanism for connecting and disconnecting crane sections

F - Mech Eng,Light,Heat,Weapons

16

D

212/29, 212/39

F16D 1/00 (2006.01) B66C 23/84 (2006.01)

Patent

CA 1208179

ABSTRACT OF THE DISCLOSURE An improved mechanism for connecting and disconnecting crane sections having a split locking ring positionable when contracted within a groove in one crane section and expandable into a groove in one crane section and expandable into a groove in the other crane section, with a double-acting ram connected at the free ends of the locking ring to control contraction and expansion thereof. A single acting ram is connected to provide a radial force at the heel of the locking ring when the latter is expanded.

420115

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