Control device for flush tank drain valves

(19)

(11)

EP 1 921 215 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	04.08.2010 Bulletin 2010/31

(43)	Date of publication A2:
	14.05.2008 Bulletin 2008/20

(21)	Application number: 07120524.9

(22)	Date of filing: 12.11.2007

(51)

International Patent Classification (IPC):

E03D 5/092^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA HR MK RS

(30)

Priority:

13.11.2006 IT MI20062167

(71)	Applicant: Oliveira & Irmao S.A.
	3800 Aveiro (PT)

(72)	Inventors:
	Moura de Oliveira, Antonio Manuel 3800-25, Aveiro (PT) Lopes dias de Figueiredo, Noè 3800-716, Aveiro (PT) Matos Vieira, Helder Manuel 3830-730, Gafanha da Nazare' (PT)

(74)	Representative: Jorio, Paolo et al
	STUDIO TORTA Via Viotti 9 10121 Torino 10121 Torino (IT)

(54)	Control device for flush tank drain valves

(57) A control device (1) for flush tank drain valves has a control member (2); a tie (5); a first lever system (7) connecting the tie (5) to the control member (2); a second lever system (8) connecting the tie (5) to a drain valve; and a connecting bush (17), which has a seat (28) engaged by a threaded portion (20) of the tie (5), and is hinged to the second lever system. The threaded portion (20) has a flat longitudinal portion (21), and the seat (28) has a threaded longitudinal sector (32) inside. The connecting bush (17) and the tie (5) are set in a slide position, when the flat longitudinal portion (21) faces the threaded longitudinal sector (32), and are set in a lock position, when the flat longitudinal portion (21) faces the opposite way to the threaded longitudinal sector (32).

Search report