Global patent index - EP 1052368 A1

EP 1052368 A1 2000-11-15 - Assembly of a shaft and a boss connectable to it

Title (en)

Assembly of a shaft and a boss connectable to it

Title (de)

Anschlusseinrichtung zwischen einer Welle und einer Nabe

Title (fr)

Ensemble de connection entre arbre et moyeu

Publication

EP 1052368 A1 (EN)

Application

EP 00201554 A

Priority

NL 1012048 A

Abstract (en)

Assembly of an engine-driven shaft (1) and a boss (5) connectable with it, of a part (4), in which, for establishing said connection, said shaft (1) and said boss (5) are provided with mutually adapted screw threads arranged on an outer and inner conical part, respectively, said screw thread having a trapezoidal cross-section. For connecting a cutter shaft (1) and the boss (5) of a cutter (4), the screw threads (2, 7) of both parts and the parts themselves are designed such, that screwing said parts together can take place until one flank (9) and top (13) of one screw thread (2) tightly abut a flank (12) and a valley (14) of the screw thread (7) of said other part (4), while both trapezoidal screw threads (2, 7) have been designed such, that there is tolerance between the other flanks (10, 11). <IMAGE>

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

E21B 17/042; F16L 15/06

IPC 8 full level (invention and additional information)

E21B 17/042 (2006.01)

CPC (invention and additional information)

E21B 17/042 (2013.01)

Citation (search report)

Designated contracting state (EPC)

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

EPO simple patent family

EP 1052368 A1 20001115; NL 1012048 C2 20001114

INPADOC legal status

2005-06-22 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Effective date: 20050429

2004-10-27 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20040909

2001-08-01 [AKX] PAYMENT OF DESIGNATION FEES

- Ref Legal Event Code: AKX

- Free Format Text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-12-27 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001031

2000-11-15 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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

2000-11-15 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI