Apparatus for determining the position of a fifth wheel on a multi-axle vehicle
US4649369A · kind A · utility
20Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1985 |
| Grant date | Mar 10, 1987 |
| Priority date | — |
| Expiry date | Sep 13, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D53/0814
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Apparatus for identifying the position of the movable portion of a fifth wheel which is useful on a multi-axle vehicle relative to the fixed rail portion (24) thereof. The apparatus includes sensing element (34) positioned on the movable fifth wheel portion for recognizing the successive, teeth-like elements (22) of the rail portion, and a signal processor (30) which is responsive to the sensing element (34) for determining the direction of movement of the fifth wheel and for counting the number of teeth (22) recognized by the sensing element (34).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.