Patent ID: 8448576

Claim:
A tamping machine for tracks comprising: a plurality of tamping units comprising: at least two inner tamping units adjacent to one another with respect to a transverse direction of the track or machine, and at least two outer tamping units adjoining said inner tamping units; a plurality of transverse guides; a plurality of transverse displacement drives; a plurality of tamping tools; a plurality of tool carriers; a plurality of assembly frames; a plurality of guides; a plurality of guide blocks; a plurality of pivot drives; a plurality of support frames; wherein said plurality of tamping units are transversely displaceable independently of one another on said plurality of transverse guides by means of said plurality of transverse displacement drives and are equipped with said plurality of tamping tools which are supported on said tool carriers vertically adjustably connected to said assembly frames via said plurality of guides, wherein each outer tamping unit is designed to be pivotable about a pivot axis, extending in a longitudinal direction of the machine, relative to a respective one of said guide blocks connected for displacement to said plurality of transverse guides and to a respective one of said transverse displacement drives, and is connected to a respective one of said pivot drives; wherein said assembly frames of said at least two outer tamping units are mounted for pivoting on respective ones said support frames, wherein said support frames are connected to respective ones of said guide blocks, and wherein said pivot drives are articulately connected to said support frames and to said assembly frames of said outer tamping units.