Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Reexamination Certificate
2006-11-27
2010-06-29
Fox, Charles A (Department: 3652)
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
Reexamination Certificate
active
07744334
ABSTRACT:
The present invention relates to a semi-trailer, comprising a gooseneck chassis and a container lifting device with at least one crane part displaceable along the chassis. The chassis comprises frame portions which are vertically displaced relative to each other, where the available vertical space for driving the displaceable crane part is limited particularly in the transition between said frame portions. The displacement of the crane part on one frame portion of the chassis takes place by means of a linearly operating, longitudinally variable elongate actuator, which both in the retracted and in the extended state is positioned substantially within the height limits of the chassis and has a substantially constant angle to the chassis. A vertically articulated link arm is at one end connected to a driving part of the actuator and at the other end articulated to said displaceable crane part.
REFERENCES:
patent: 2857062 (1958-10-01), Anderson
patent: 3235105 (1966-02-01), Loomis
patent: 4613276 (1986-09-01), Blatchford
patent: 4624225 (1986-11-01), Kowal
patent: 4721431 (1988-01-01), Ostermeyer
patent: 5088875 (1992-02-01), Galbreath et al.
patent: 2007/0154295 (2007-07-01), Kuriakose
patent: 9306626 (1993-07-01), None
patent: 2236518 (1991-04-01), None
patent: 2340796 (2000-03-01), None
patent: WO 91/14597 (1991-10-01), None
Search Report dated Aug. 16, 2007 for corresponding European Application No. 06123367.2.
Fox Charles A
Harness & Dickey & Pierce P.L.C.
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