|
(11) | EP 2 377 998 A3 |
(12) | EUROPEAN PATENT APPLICATION |
|
|
|
|
|||||||||||||||||||||||
(54) | Coupling system for extension sectors on screed unit for paver |
(57) Screed unit for paver finisher, of the type comprising a main screed, end plates
and extension sectors which can be reciprocally aligned by means of adjusters and
which can be reciprocally coupled. The main screed, end plates and extension sectors
can be coupled and aligned by means of a coupling means operating according to a coupling
system using fixing and clamping means with screws/bolts in fixing holes, in which
alignment and disalignment means are provided of one unit to be coupled with respect
to the other unit to be coupled with a movement with respect to the alignment axis,
the alignment and disalignment means being linked/linkable to an undercut coupling
means in which the coupling means consists of a male element and a female element,
one of male element and female element being fixed in correspondence with at least
one of the side-walls of the screed unit, the other one of male element and female
element being fixed in correspondence with at least one of the side-walls of extension
sector.
|