Patent · US Expired

Coupling device for electrical trunking

US5594212A · kind A · utility

10Cited by
9References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 1995
Grant dateJan 14, 1997
Priority date
Expiry dateJul 11, 2015

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01R13/5227
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A coupling device for prefabricated electrical trunking. An internal member fits inside enclosure sections of the trunking which are to be butt-jointed. The internal member has water drainage grooves on its outer surface near a mating plane of the butt-joint. An exterior member fits over the joints and its two halves are bolted together.

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