Windscreen wiper device for a rotating motor shaft
US5621943A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1995 |
| Grant date | Apr 22, 1997 |
| Priority date | — |
| Expiry date | Feb 27, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7033
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention proposes a windscreen wiper device of the type comprising a rotating motor shaft (12) and a driving head (10) on which a windscreen wiper arm is articulated, and of the type comprising coupling means between the driving head (10) and the free end (28) of the motor shaft (12) which is mounted in a seat (22, 24) formed in the driving head (10), which comprise rotational coupling means by cooperation of shapes (42) and axial clamping means (38, 56) comprising a unit of the screw-nut type, characterised in that the seat (22) comprises a radial stop surface (23) which cooperates with a radial bearing surface (36) of the motor shaft (12) in order to define a precise axial position of the driving head (10) in relation to the motor shaft (12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.