Patent · US Active

Trenchless ducting apparatus frame

US8702348B2 · kind B2 · utility

0Cited by

27References

7Claims

0Family size

Assignee

BRITISH TELECOMMUNICATIONS public limited company · GB

Inventors

Mark Edward Scopes · London, GB
Christopher Nigel Munnings · Ipswich, GB

Key dates

Filing date	Dec 24, 2009
Grant date	Apr 22, 2014
Priority date	—
Expiry date	May 25, 2030

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B7/205
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An apparatus for moving an elongate component within or through a sidewall of a pit, including a frame, a lever arm pivotably attached to the frame and comprising a handle at a first end, a gripping arrangement pivotably attached to the lever arm at a second end at a gripping pivot point, allowing the gripping arrangement to pivot about the gripping pivot point to assume a first and a second installation position, wherein in a first installation position during use the gripping arrangement grips the elongate component as the lever arm pivots in a first direction and releases the elongate component as the lever arm pivots in a second, opposite, direction, and wherein in a second installation position during use the gripping arrangement releases the elongate component as the lever arm pivots in a first direction and grips the elongate component as the lever arm pivots in a second, opposite, direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.