Japanese Patent JPH0448719

B2

Vehicular crane of high carrying capacity having an extensible arm, especially a telescopic arm. The vehicular crane has a maximum carrying capacity of greater than 250 metric tons obtained in such a way that, with a stroke length which is sufficient for the situation, the vehicular crane can be ready for use immediately after reaching the place of use without having to undergo expensive assembly procedures. The extensible arm of the crane is connected with an undercarriage via a frame part which carries pivot mounting. The crane is also provided with wheeled swivel supports as carrier supports which are provided with vertically adjustable ground support elements and undercarriage wheels of which the direction can be adjusted. On the drive side, the frame part is rigidly connected with the forward portion of the undercarriage, and on the other side is connected with two wheeled swivel supports, the undercarriage wheels of which respectively form a plurality of wheel sets, each of which has at least one pair of wheels. The undercarriage wheels, as well as the swivel connection of the wheel sets, are disposed below the wheeled swivel supports. The forward portion is provided with at least one vertically adjustable ground support element. The diameter of the undercarriage wheels of the wheeled swivel supports is less than the diameter of the undercarriage wheels of the forward portion.

JPS60100255

[Title of the device] An outrigger device of a wheel type operating machine

HERUMUUTO BURAAZE
PEETAA AIRAA

JP18944283A

August 07, 1992

October 12, 1983

Click for automatic bibliography generation  

KRUPP GMBH

B60S9/12; B66C23/42; B66C23/62; B66C23/78

Next Patent: SURFACE TREATING METHOD AND DEVICE