Windscreen wiper drive
US6817056B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 29, 2002 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Mar 12, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60S1/3409
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In a windshield wiper drive mechanism, having a pivotably supported drive shaft, a drive rocker (10) solidly connected to it, a coupling rocker (14) that is connected to the drive rocker by a drive joint (16), a support rocker (18) that is connected to the coupling rocker (14) by a support joint (20) and is supported by a blind joint (22), a windshield wiper arm (26), which is connected to the coupling rocker by a joint (28), a contact-pressure spring (30) that acts upon the windshield wiper arm relative to the coupling rocker, and a compensation joint (24) that is disposed on one of the rockers, the object is for the tilting moments generated by the contact-pressure spring to be reduced. To that end, a compensation spring (34) is provided on the compensation joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.