(19)
(11) EP 2 322 718 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
03.08.2011 Bulletin 2011/31

(43) Date of publication A2:
18.05.2011 Bulletin 2011/20

(21) Application number: 11153420.2

(22) Date of filing: 22.12.2006
(27) Previously filed application:
 22.12.2006 EP 06127039
(51) International Patent Classification (IPC): 
E01C 23/088(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 NL PL PT RO SE SI SK TR

(62) Application number of the earlier application in accordance with Art. 76 EPC:
06127039.3 / 1936033

(71) Applicant: CATERPILLAR PAVING PRODUCTS INC.
Minnesota 55445 (US)

(72) Inventors:
  • Sansone, Dario
    40050, Castello D'Argile Bo (IT)
  • Di Tosto, Antonio
    40016, San Giorgio di Piano Bo (IT)

(74) Representative: Modiano, Micaela Nadia 
Dr. Modiano & Associati SpA Via Meravigli 16
20123 Milano
20123 Milano (IT)

   


(54) Surface treatment machine


(57) Systems and methods for surface treatment machines with a supplemental drive for rotation of a drum rotor generally include a drive train with a drive motor to operate a drum rotor of the surface treatment machine at a first rotational velocity and a service motor integral to a drive pulley that may rotate the drum rotor at a second rotational velocity; the surface treatment machine may include a freewheeling device or be otherwise capable of activating, engaging, or disengaging either the drive motor or the service motor, or both, so that power output from only one of the drive motor and the service motor is rotationally driving the drum rotor.







Search report