Mechanism for connecting and disconnecting crane sections

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

1982-01-25

1984-03-13

Kundrat, Andrew V.

Joints and connections

Structurally installed in diverse art device

403165, 403322, 212175, F16D 100, F16G 1100

Patent

active

044364440

ABSTRACT:
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.

REFERENCES:
patent: 1052439 (1913-02-01), Crosby
patent: 1473935 (1923-11-01), Horton
patent: 2877732 (1959-03-01), Eaton
patent: 3521911 (1970-07-01), Hanes et al.
patent: 3921817 (1975-11-01), Petrik et al.
patent: 3923407 (1975-12-01), Jensen et al.

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