Global Patent Index - EP 0093223 A1

EP 0093223 A1 19831109 - Improved sector knife and driving shaft arrangement, particularly for crushing apparatus and the like.

Title (en)

Improved sector knife and driving shaft arrangement, particularly for crushing apparatus and the like.

Title (de)

Sektormesser und Wellenantriebseinrichtung, insbesondere für Zerkleinerungsmaschinen und dergleichen.

Title (fr)

Lame en forme de secteur et disposition d'arbre d'entraînement perfectionnée en particulier pour des appareils déchiqueteurs et semblables.

Publication

EP 0093223 A1 19831109 (EN)

Application

EP 82830116 A 19820429

Priority

EP 82830116 A 19820429

Abstract (en)

The sector knife and driving shaft arrangement comprises a knife consisting of a plurality of cutting sectors (1, 1 min , 1 sec ), a plurality of spacing sectors (2) and a locking sector (3), the cutting (1) and spacing sectors (2) being provided with restraining elements, consisting of male and female dovetail shaped members respectively, while the driving shaft is provided with circumferential slots (8) including mating restraining elements extending all along the circumference with the exception of the circle arc (10) subtended by the locking sector (B). This circle arc, devoid of any restraining elements, is effective to provide a zone for introducing the cutting (1, 1 min , 1 sec ) and spacing sectors (2) into the related slot thereinto the locking sector (3) will be introduced for geometrically locking all of the sectors and fixed to the driving shaft by known fixing means, (4, 5).

IPC 1-7

B02C 18/18

IPC 8 full level

B02C 18/18 (2006.01)

CPC (source: EP)

B02C 18/182 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE FR GB LI NL SE

DOCDB simple family (publication)

EP 0093223 A1 19831109

DOCDB simple family (application)

EP 82830116 A 19820429