Motor vehicles – Having four wheels driven
Patent
1982-06-04
1984-05-01
Peters, Jr., Joseph F.
Motor vehicles
Having four wheels driven
180242, 180333, 212189, 2807631, B60K 1714, B60K 4128
Patent
active
044455887
ABSTRACT:
A guidable bogie truck for a mobile crane, such as a mobile gantry crane, includes a frame having longitudinal supports; a pair of wheel mechanisms connected to one end of the frame and a pair of wheel mechanisms connected to the opposite end of the frame, one of the pairs of wheel mechanisms being connected to pivotable axles which allows the associated pair of wheel mechanisms to constitute guide wheel mechanisms; four support legs movably connected to the frame; lifting devices connected to each of the four support legs to extend them downwardly to contact the ground and support the frame or to retract them upwardly towards the frame; wheel drive motors for turning the wheel mechanisms; adjustment motors for pivoting the pivotable wheel axles; and a common control device for controlling the operation of the bogie truck parts. A control panel on the bogie truck includes a shift lever and direction-setting parts which are connected to the common control device to allow the operator to suitably determine the operation of the common control device and thus the bogie truck.
REFERENCES:
patent: 2752056 (1956-06-01), Lull
patent: 3029886 (1962-04-01), Hansen
patent: 3186686 (1965-06-01), Mayer
patent: 3276603 (1966-10-01), Noller
Adna AG
McGiehan Donn
Peters Jr. Joseph F.
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