Oscillating suspension means for a brush of a sweeping machine

(19)

(11)

EP 2 453 060 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	31.08.2016 Bulletin 2016/35

(43)	Date of publication A2:
	16.05.2012 Bulletin 2012/20

(21)	Application number: 11186228.0

(22)	Date of filing: 21.10.2011

(51)

International Patent Classification (IPC):

E01H 1/05^(2006.01)

(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

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Priority:

10.11.2010 IT RE20100090

(71)	Applicant: I.S.A.L. S.R.L.
	42015 Correggio (IT)

(72)	Inventor:
	Zoni, Carlo 42015 CORREGGIO (REGGIO EMILIA) (IT)

(74)	Representative: Corradini, Corrado et al
	Ing. C. Corradini & C. S.r.l. Via Dante Alighieri 4 42121 Reggio Emilia 42121 Reggio Emilia (IT)

(54)	Oscillating suspension means for a brush of a sweeping machine

(57) An oscillating suspension means for a brush of a sweeping machine, comprising a support frame for the rotating brush (2), which is suspended from a frame of the machine by means of a double-acting first piston-cylinder group (53) supplied by a pump via a four-way distributor (10), activated either automatically or manually by an operator, the cylinder (5) of the first piston-cylinder group (53) being placed in series with a single-acting second piston-cylinder group (51) made sensitive to means for detecting a sharp rising of the brush.

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