Mobile concrete pump with distributing boom

Land vehicles – Wheeled – Attachment

Reexamination Certificate

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Details

C280S404000, C280S763100, C212S181000

Reexamination Certificate

active

07543851

ABSTRACT:
A mobile concrete pump comprising a structural frame (14) mounted on the undercarriage (10) of a truck chassis (12), a boom stand (22) that is provided on the structural frame (14) and that is rotatable about a vertical axis (20) and a concrete distribution boom (24) configured in the form of multi-arm articulated boom (24). The concrete distributing boom consisting, for example, of six arms, which arms can rotate with respect to one another. In order to make possible the use of a distributing boom with a longer reach, a trailer (32) having its own undercarriage (34) is provided, said trailer being connected to the truck undercarriage (10) by a coupling member (36) in the transport condition. The trailer (32) has a pivot member (40) rotatable about a vertical axis (38) for receiving an arm set (42) that projects beyond the rear end of the truck undercarriage (10) in the transport condition.

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patent: 7478834 (2009-01-01), Schlecht
patent: 66 10 504 (1974-05-01), None
patent: 39 27 268 (1991-02-01), None
patent: 1 553 121 (1979-09-01), None
patent: WO 94/08111 (1994-04-01), None

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