Patent · US Active

Trenchless ducting apparatus frame

US8636446B2 · kind B2 · utility

0Cited by

25References

8Claims

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	Jan 28, 2014
Priority date	—
Expiry date	May 26, 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 lever arm having a handle at a first end and a gripping arrangement for gripping the elongate component at a second end, the lever arm being pivotably attached to a frame via a sleeve and arranged in use to be pivoted about a pivot point by moving the first, handle, end through an arc, and movement translation means for translating the pivoting movement of the lever arm at the first end into a substantially linear movement at the second, gripping, end.

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