Patent · US Active

Safety features for switch handle for piggable pipeline connector

US9471086B1 · kind B1 · utility

2Cited by
8References
7Claims
0Family size

Inventor

Key dates

Filing dateDec 29, 2015
Grant dateOct 18, 2016
Priority date—
Expiry dateDec 29, 2035

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L41/023
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A switch arm assembly for a piggable pipeline connector, the assembly comprising a switch arm and a handle assembly. The handle assembly comprises shaft connecting a handle with the switch arm and a stop to prevent the shaft from moving substantially away from the switch arm should the shaft become disconnected from the switch arm. The stop may comprise a shoulder in the shaft to prevent the shaft from exiting a housing, a bonnet over the top of the handle, or both.

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