Patent · US Expired

Closed type connecting block

US4993962A · kind A · utility

25Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 1990
Grant dateFeb 19, 1991
Priority date
Expiry dateAug 13, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01R2201/16
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A closed type connecting block including a shutter which close and open an opening formed on a housing and which is biased toward a position to close the opening. The shutter and the housing are formed with notches which sealingly receive a core inserted into the connecting block therebetween. The connecting block also includes a pivotable jack mounted therein to enable users to easily insert and remove a plug connected to the cord from communication equipment.

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