Automotive wiper device with adjustable wiper blade force
US4718139A · kind A · utility
12Cited by
3References
13Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 4, 1986 |
| Grant date | Jan 12, 1988 |
| Priority date | — |
| Expiry date | Sep 4, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60S1/3411
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A novel and useful automotive wiper device, of which the depression force can be adjusted with a compact mechanism for adjusting the depression force of the wiper blades. The automotive wiper device employes a plurality of springs exerting a biasing force on a wiper arm and a wiper blade against a vehicular window surface. At least one of the springs has an adjustable spring force. The adjustable spring is associated with an adjusting means which allows adjustment of the spring force thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.