×

Power distribution system

  • US 4,165,443 A
  • Filed: 07/24/1975
  • Issued: 08/21/1979
  • Est. Priority Date: 07/24/1975
  • Status: Expired due to Term
First Claim
Patent Images

1. A multi-function box capable of being mounted in a wall for receiving electrical power from a power cable and distributing the power to a power distribution cable;

  • a modular electric switch unit having first and second external terminals removably mounted in said multifunction box, said multi-function box including a distribution bus plate compartment and a function unit compartment in which said modular switch unit is mounted, a plurality of bus plates mounted in said bus plate compartment, automatic conductor retaining and clamping means on said bus plates, a plurality of power-input openings in said box dimensioned and positioned for receiving the stripped conductor ends of the conductors of a power cable and guiding said conductors into contact with said automatic conductor retaining and clamping means on respective ones of said bus plates as the conductor ends of a power cable are inserted through said power-input openings, each of said automatic conductor retaining and clamping means including automatically operable means permitting ready insertion of a conductor end but resisting any withdrawal of said conductor end, power distribution output openings in said box dimensioned and positioned for receiving the stripped ends of the conductors of a power distribution cable and guiding said stripped conductor ends of said power distribution cable in contact with other automatic conductor receiving and clamping means on selected ones of said bus plates, and means for providing a selectively operable electrical flow path through said modular switch unit to said power distribution cable, said last-mentioned means comprising a first bus plate having a contact element engaging said first terminal of said modular electric switch unit, a second bus plate having a contact element engaging said second external terminal, said first bus plate having automatic conductor retaining and clamping means engageable with one conductor of a power cable, said second bus plate having an automatic conductor retaining and clamping means engageable with one conductor of a distribution cable and a third bus plate having automatic conductor retaining and clamping means engageable with a second conductor of a power cable and a second conductor of a distribution cable.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×