Mobile crane

Details Mobile crane Mobile crane

1994-08-05

1997-01-28

Brahan, Thomas J.

Traversing hoists

Having horizontally swinging boom or bridge

Extensible by movement of boom or boom segment along...

212177, 212299, 212348, B66C 2304

Patent

active

055970788

ABSTRACT:
The invention relates to a mobile crane comprising a lower vehicle and an upper vehicle turningly mounted thereon and bearing a telescoping boom with a luffing cylinder for the pivoting thereof. The telescoping boom comprises two parts able to be bolted together and each having an external tube, from which respectively at least one telescope member may be extended.

REFERENCES:
patent: 3831771 (1974-08-01), Wiencek
patent: 3938670 (1976-02-01), Wellman
patent: 4106631 (1978-08-01), Lundy
patent: 4383616 (1983-05-01), Sterner et al.
patent: 4394914 (1983-07-01), Privat
patent: 4498596 (1985-02-01), Haulotte

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