Transit positioning device for use with manhole mount
US6571398B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Sep 26, 2001 |
| Grant date | Jun 3, 2003 |
| Priority date | — |
| Expiry date | Sep 26, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M11/2092
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A transit positioning device for use with a conventional manhole mount having an elongate vertical arm and an elongate horizontal arm orthogonally joined together at a joint. A transit holding platform is rotatably mounted to an end of an adjustable length elongate member which in turn is mounted to the horizontal arm of the manhole mount. Further, an adjustable length stabilizing arm is provided with one end hingedly connected to the vertical arm below the joint at a position spaced apart from the joint, and a second end hingedly connected to the horizontal arm at a position spaced apart from the joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.