Patent · US Expired

Transit positioning device for use with manhole mount

US6571398B2 · kind B2 · utility

3Cited by
9References
7Claims
0Family size

Inventors

Key dates

Filing dateSep 26, 2001
Grant dateJun 3, 2003
Priority date
Expiry dateSep 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.