Global Patent Index - EP 1082064 A1

EP 1082064 A1 2001-03-14 - DRIVE SYSTEM FOR DENTAL HANDPIECES

Title (en)

DRIVE SYSTEM FOR DENTAL HANDPIECES

Title (de)

ANTRIEBSSYSTEM FÜR ZAHNÄRZTLICHE HANDSTÜCKE

Title (fr)

SYSTEME D'ENTRAINEMENT POUR PIECES A MAIN DENTAIRES

Publication

EP 1082064 A1 (DE)

Application

EP 99927758 A

Priority

  • DE 29809467 U
  • DE 29813086 U
  • EP 9903619 W

Abstract (en)

[origin: US6425761B1] A drive system for dental handpieces, having a rotor (12) secured to a motor shaft (11), an anti-friction bearing system (13, 14), including an inner bearing race (17), an outer bearing race (18) and a plurality of rolling elements (19) arranged between the bearing races, and a coupling element (16) for coupling thereto a dental instrument (1) that is to be driven, the rolling elements consisting of a non-electroconductive material.

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

A61C 1/06; A61C 1/18

IPC 8 full level (invention and additional information)

A61C 1/06 (2006.01); A61C 1/18 (2006.01); F16C 33/32 (2006.01)

CPC (invention and additional information)

F16C 33/32 (2013.01); A61C 1/06 (2013.01); A61C 1/181 (2013.01); F16C 2202/30 (2013.01); F16C 2300/12 (2013.01); F16C 2316/13 (2013.01)

Designated contracting state (EPC)

AT CH DE LI

EPO simple patent family

US 6425761 B1 20020730; DE 19843951 A1 19991202; DE 19843951 C2 20020314; EP 1082064 A1 20010314; JP 2002516141 A 20020604; WO 9960944 A1 19991202

INPADOC legal status


2004-12-15 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20040608

2004-03-17 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20040128

2003-05-28 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: KALTENBACH & VOIGT GMBH & CO. KG

- Ref Legal Event Code: RAP1

2001-03-14 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001010

2001-03-14 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT CH DE LI