(19)
(11) EP 2 897 769 A1

(12)

(43) Date of publication:
29.07.2015 Bulletin 2015/31

(21) Application number: 13801778.5

(22) Date of filing: 24.09.2013
(51) International Patent Classification (IPC): 
B25D 9/26(2006.01)
(86) International application number:
PCT/IB2013/058811
(87) International publication number:
WO 2014/045264 (27.03.2014 Gazette 2014/13)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 24.09.2012 IT BA20120055

(71) Applicant: Tecna Group S.r.l.
70021 Acquaviva Delle Fonti (BA) (IT)

(72) Inventors:
  • CARRISI, Oscar
    I-74121 Taranto (IT)
  • CALO', Giammichele
    I-74121 Taranto (IT)
  • CATANZARO, Giacomo
    I-70056 Molfetta (BA) (IT)

(74) Representative: Bruni, Giovanni 
Laforgia, Bruni & Partners Corso Duca degli Abruzzi, 78
10129 Torino
10129 Torino (IT)

   


(54) BREAKER FOR EXCAVATORS WITH OPTIMIZED HYDRAULIC CIRCUIT