Mobile concrete pump with distributing boom
US7543851B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2004 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Jul 29, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G21/0436
- WIPO fieldCivil engineering
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.