Global Patent Index - EP 0981269 A1

EP 0981269 A1 2000-03-01 - KNIFE FOR ROTATING HARROWS ON VERTICAL AXLES WITH QUICK COUPLING AND UNCOUPLING

Title (en)

KNIFE FOR ROTATING HARROWS ON VERTICAL AXLES WITH QUICK COUPLING AND UNCOUPLING

Title (de)

BEFESTIGUNGS-UND LÖSUNGSANORDNUNG FÜR KREISELEGGENZINKEN

Title (fr)

POINTES PERMETTANT LA ROTATION DE HERSES SUR DES AXES VERTICAUX A ACCOUPLEMENT ET DESACCOUPLEMENT RAPIDES

Publication

EP 0981269 A1 (EN)

Application

EP 98919486 A

Priority

  • IT 9800119 W
  • IT PD970105 A

Abstract (en)

[origin: WO9851141A1] The invention is a new knife (1) for rotating harrows on vertical axles having notchings (12) on the connection part (11) placed from the normal position of the holes for the screws to one of the edges of said connection part (11). The knife (1) is assembled inserting it to "bayonet connection" between the fastening screwheads, which have been loosened, and the plain part of the rotor on which the knife (1) is fixed. The notchings (12) can have rectilinear, arcuate or stairs shape; the shape of the notchings (12) can, in combination with the bent stop plates (3) which are placed on the stairs of the notchings (12) or on the slots of the connection part of the knife (1), prevent the knife from unscrewing.

IPC 1-7 (main, further and additional classification)

A01B 33/14

IPC 8 full level (invention and additional information)

A01B 33/14 (2006.01)

CPC (invention and additional information)

A01B 33/146 (2013.01)

Citation (search report)

See references of WO 9851141A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

EPO simple patent family

WO 9851141 A1 19981119; AU 7233698 A 19981208; EP 0981269 A1 20000301; IT 1293476 B1 19990301; IT PD970105 A1 19981116; IT PD970105 D0 19970514

INPADOC legal status


2005-02-23 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20040817

2003-01-02 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20021119

2000-03-01 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991211

2000-03-01 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

2000-03-01 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: SI PAYMENT 19991211