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(11) | EP 1 992 584 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Apparatus for stowing a jib |
(57) An apparatus for stowing a jib according to the present invention stows a jib (7)
which is connectable to a top portion of a boom (6) in a side surface of the boom
(6) of a wheel crane (1). A middle portion of the jib (7) in the longitudinal direction
is supported. The supported position of the jib (7) is movable along the longitudinal
direction of the jib (7). The movement of the jib (7) in the longitudinal direction
can be fixed. The apparatus for stowing the jib according to the present invention
has a simple structure and excellent workability for stowing and extending the jib.
The apparatus for stowing the jib is capable of corresponding to plural kinds of jibs
having different gravity centers.
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