Mobile crane having telescoping outriggers and power...

Details Mobile crane having telescoping outriggers and power... Mobile crane having telescoping outriggers and power...

B - Operations, Transporting

60

S

212/18, 254/20

B60S 9/10 (2006.01) B66C 23/78 (2006.01)

Patent

CA 1169849

MOBILE CRANE HAVING TELESCOPING OUTRIGGERS AND POWER OPERATED SCREW MEANS FOR SAME ABSTRACT OF THE DISCLOSURE A mobile crane having an extensible boom which is swing- able about both a vertical and horizontal axis and having telescoping outriggers that extend transversely of the main frame of the crane and which outriggers are also pivotally mounted about a vertical axis for swinging between stowed position along the main frame and an extending crane operative position. Power operated-extension means are provided for telescopingly adjusting the outriggers and includes a reversible hydraulic motor for rotating a threaded shaft. The telescoping outrigger includes a hollow box in which a hollow beam is telescopingly mounted.

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