Cable clamps for electrical box

Details Cable clamps for electrical box Cable clamps for electrical box

1988-10-31

1989-10-17

Picard, Leo P.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

H02G 308, H02G 15007

Patent

active

048749052

ABSTRACT:
An electrical ceiling box has an entrance port which is substantially closed by a cable clamp including an elongated tab hingedly connected at one end to a wall of the box. Near the other end of the tab is an arcuate wall extending from the inner surface of the tab. The wall has a concave surface facing toward the distal end of the tab. The concave surface is shaped and dimensioned to receive the end of a finger so that the installer can engage the tab to swing into the box and insert a cable through the port. At the base of the concave surface is a recess shaped and dimensioned to receive the end of a screwdriver blade to allow a screwdriver to be used for opening the port.

REFERENCES:
patent: 3112938 (1963-12-01), Karlin
patent: 4277641 (1981-01-01), Bauer et al.
patent: 4304958 (1981-12-01), Neff et al.
patent: 4306109 (1981-12-01), Nattel
patent: 4316999 (1982-02-01), Nattel
patent: 4436952 (1984-03-01), Lockwood
patent: 4591658 (1986-01-01), Bauer et al.
patent: 4605816 (1986-08-01), Jorgensen et al.

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