Wiper apparatus interlocking to washer
US5105134A · kind A · utility
2Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1991 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Feb 15, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S318/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A wiper apparatus comprises a wiper switch, a washer motor, a washer switch for actuating the washer motor by its on-operation, a wiper motor actuated independently by on-operation of the wiper switch and interlockingly with the washer motor by the on-operation of the washer switch, and a controller for maintaining the wiper motor to rotate until the load applied on the wiper motor reaches predetermined value. According to this invention, the wiper blade never stops before the cleaning liquid is removed from the wiping surface by detecting frictional resistance between the wiper blade and the wiping surface as the motor load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.