Working member for ripper drums on heavy vehicles for removing ground, equipped with quick release tool and tooldhead

(19)

(11)

EP 1 045 075 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	13.12.2000 Bulletin 2000/50

(43)	Date of publication A2:
	18.10.2000 Bulletin 2000/42

(21)	Application number: 00107176.0

(22)	Date of filing: 11.04.2000

(51)	International Patent Classification (IPC)⁷: E02F 9/28

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

12.04.1999 IT VI990066

(71)	Applicant: BITELLI S.p.A.
	40061 Minerbio (BO) (IT)

(72)	Inventor:
	Bitelli, Romolo S. Lazzaro (BO) (IT)

(74)	Representative: Bonini, Ercole
	c/o STUDIO ING. E. BONINI SRL Corso Fogazzaro 8 36100 Vicenza 36100 Vicenza (IT)

(54)	Working member for ripper drums on heavy vehicles for removing ground, equipped with quick release tool and tooldhead

(57) A working member (1) for ripper drums (T) of heavy vehicles for removing ground comprising: a support base (2) provided with a toolhead (4) having a longitudinal hole (5) through it and a through transversal hole (6) that intersects said longitudinal hole (5). A ripper tool (7) coupled to said toolhead, consists of a working section (8) protruding from the toolhead (4), made at the end of a shank (9) mounted in the longitudinal hole (5) of the toolhead (4). The transversal hole (6) divides the body of the toolhead (4) into a first section (10) that is held in its corresponding seat (3) of the support base (2) and a second section (11) that receives the shank (9) of said ripper tool (7). The transversal hole (6) has a straight region (6') that undercuts the seat (3) of the support base (2) when the first section (10) of the toolhead (4) is coupled into its respective seat (3) of the support base (2)

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