Global Patent Index - EP 1025374 A1

EP 1025374 A1 2000-08-09 - FRICTION GEAR

Title (en)

FRICTION GEAR

Title (de)

REIBRADGETRIEBE

Title (fr)

ENGRENAGE A FRICTION

Publication

EP 1025374 A1 (DE)

Application

EP 97948819 A

Priority

  • AT 187896 A
  • EP 9705938 W

Abstract (en)

[origin: WO9819080A1] Disclosed is a friction gear comprising at least one driving surface (70c, 70d) and at least one driven surface (71d, 71d') and, installed between both, at least one intermediate member featuring a set of bearing balls (17, 18, 19), and both the driving surface (70c, 70d) ant the driven suface (71d, 71d') have a toroidal camber. At least two, preferably three, bearing balls (17, 18, 19) are placed in series for the purposes of driving. In another embodiment, the bearing balls are mounted sliding and pivoting, thereby enabling the ratio of transmission and the initial tension to be adjusted.

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

F16H 15/40

IPC 8 full level (invention and additional information)

F16H 15/40 (2006.01)

CPC (invention and additional information)

F16H 15/40 (2013.01)

Citation (search report)

See references of WO 9819080A1

Designated contracting state (EPC)

AT CH DE ES FR GB IT LI SE

EPO simple patent family

WO 9819080 A1 19980507; AU 6909798 A 19980522; EP 1025374 A1 20000809

INPADOC legal status


2002-06-05 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020226

2001-05-23 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010406

2000-08-09 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000526

2000-08-09 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT CH DE ES FR GB IT LI SE