EP 0841467 B1 20000705 - Rock milling head
Title (en)
Rock milling head
Title (de)
Gesteinsfräskopf
Title (fr)
Tête de fraisage pour le coupage de roche
Publication
Application
Priority
DE 19645650 A 19961106
Abstract (en)
[origin: US6158818A] Rock cutting head comprising a one-part steel housing attachable to a working machine lug, an electric or hydro motor being attached to the rear portion of the housing and two uni-axial similar cutting drums being provided at its front portion, the rear housing portion, in which a drive pinion directly or indirectly connected to the motor is provided, being terminated toward the lug with a widened connection plate, its front portion supporting outer bearing hubs, in which the shafts of the two cutting drums uniformly connected to a middle drive spur-toothed wheel are provided and wherein a larger intermediate wheel is provided in the housing between drive pinion and drive spur-toothed wheel.
IPC 1-7
IPC 8 full level
E02F 3/20 (2006.01); E21B 3/00 (2006.01); E21C 31/02 (2006.01); E21D 9/10 (2006.01)
CPC (source: EP US)
E02F 3/205 (2013.01 - EP US); E21D 9/1026 (2013.01 - EP US); E21D 9/1086 (2013.01 - EP US)
Designated contracting state (EPC)
AT DE GB IT
DOCDB simple family (publication)
US 6158818 A 20001212; AT E194409 T1 20000715; DE 19645650 C1 19980122; DE 59701966 D1 20000810; EP 0841467 A1 19980513; EP 0841467 B1 20000705; JP H10196284 A 19980728
DOCDB simple family (application)
US 96489397 A 19971105; AT 97118802 T 19971029; DE 19645650 A 19961106; DE 59701966 T 19971029; EP 97118802 A 19971029; JP 34182597 A 19971106