Telescopic jib for a motor vehicle or a crane

Details Telescopic jib for a motor vehicle or a crane Telescopic jib for a motor vehicle or a crane

2005-04-19

2005-04-19

Brahan, Thomas J. (Department: 3652)

Material or article handling

Device for emptying portable receptacle

Rotary cradle

C212S231000, C212S348000, C212S349000, C414S543000, C414S547000, C294S068260

Reexamination Certificate

active

06881021

ABSTRACT:
A telescopic boom (1) for a vehicle (25) or a hoist with a storage rack (6) for at least two box girders (2, 3) guided displaceably in one another in the direction of their longitudinal axes, which are mounted to pivot about a horizontal pivot axle (5) in the storage rack (6) and which can be displaced reciprocally by means of a servo-drive (19) is described. In order to create advantageous structural conditions it is proposed that the longitudinal axles of the box girders (2, 3) form an upwards arched arc of a circle (4) which runs concentrically to a common axis parallel to the pivot axis (5).

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