Plowing device
US4807375A · kind A · utility
30Cited by
10References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 25, 1988 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Feb 25, 2008 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H5/066
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Adjustment device in a vehicle having a plow for plowing snow and the like so that when the vehicle is traveling in a forward direction the plow is moved between a raised position and a lowered position, and signal means for sending a signal indicating movement of the vehicle in a reverse direction. The improvement comprises control device for sensing the signal and activating the adjustment device to raise the plow to the raised position. The control device is further deactivated in the absence of the signal to lower the plow to the lowered position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.