Global Patent Index - EP 2422941 B1

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

EP 2422941 B1 20160113 (DE)

Application

EP 11178248 A 20110822

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