EP 2422941 B1 20160113 - Cutting blade with cornerless non-circular central recess
Title (en)
Cutting blade with cornerless non-circular central recess
Title (de)
Messerscheibe mit eckenloser, aber nicht kreisrunder Mittenausnehmung
Title (fr)
Lame circulaire avec trou central sans coins mais non circulaire
Publication
Application
Priority
DE 102010037109 A 20100823
Abstract (en)
[origin: EP2422941A1] The disk (1) has middle recess and a drive shaft (6) fit the disk to an entrainment unit (7) along a rotational axis (8), where circumferential cutting edge formed on outer circumference at outer periphery of the edge. The middle recess is formed as a non-circular central recess such that the disk is rotatably fixed on the drive shaft after mounting on the entrainment unit. The middle recess is in oval or ellipse shape. The disk is made of metal, tool steel or tungsten carbide and/or ceramic.
IPC 8 full level
B02C 18/18 (2006.01); B26D 1/143 (2006.01); B26D 7/26 (2006.01)
CPC (source: EP)
B26D 1/1435 (2013.01); B26D 7/2621 (2013.01)
Designated contracting state (EPC)
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
DOCDB simple family (publication)
EP 2422941 A1 20120229; EP 2422941 B1 20160113; DE 102010037109 A1 20120223; PL 2422941 T3 20160729
DOCDB simple family (application)
EP 11178248 A 20110822; DE 102010037109 A 20100823; PL 11178248 T 20110822