Road planer control and safety system
US4655634A · kind A · utility
46Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1985 |
| Grant date | Apr 7, 1987 |
| Priority date | — |
| Expiry date | Sep 23, 2005 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C23/088
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A road planer machine having a housing containing a rotating planer drum and having access doors in the housing for maintenance and inspection of the cutting equipment which includes detectors for determining when the access doors are not in their normally closed positions and for disabling the propulsion system of the planer machine as well as the drum rotating system so that the machine can neither move nor the drum rotate if any of the access closure doors are not in their normally closed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.