Electrical outlet box and wall mounting clamp therefor

Details Electrical outlet box and wall mounting clamp therefor Electrical outlet box and wall mounting clamp therefor

H - Electricity

02

G

347/14

H02G 3/08 (2006.01)

Patent

CA 1100217

ELECTRICAL OUTLET BOX AND WALL MOUNTING CLAMP THEREFOR Abstract of the Disclosure An electrical outlet box and wall mounting clamps therefor for connection to a wall panel by the manual effort of a workman without the use of a tool or other mechanical device, in which the clamps comprise a pair of L-shaped members each having a first leg which forms a clamping wall and second leg extending from the first leg at slightly more than a 90° angle. The second leg includes a pair of spaced apart fingers defining an elongated clearance gap therebetween. The L-shaped clamps are mounted in the top and bottom wall of the outlet box by inserting the first leg through an elongated tranverse slot in such top and bottom walls, whereby the clamps may pivot between a retracted position and a clamping position at the junction joining the two legs of the L. When the clamps are in the retracted position, they are held in that position by a over-center spring lock, the box may be inserted through a corresponding aperture in a wall panel after which the clamps are pivoted to the clamping position to sandwich the adjacent sides of the wall panel between the clamp and a corresponding mounting ear, or front flange, of the outlet box. In the clamping position, snap buttons on the second leg are connected to respective apertures in the top and bottom wall of the electrical outlet box, and as the clamp is pivoted to the clamping position, bending forces occur at the contact between the clamp and front flange, and in the locked position the obtuse angle between the first and second legs is reduced to a sub- stantially 90° angle causing the bending forces to be translated to shear forces where the first leg contacts the slot. A screw, which holds the receptacle in the outlet box, extends through the first leg when it is in the clamping position and accordingly provides a safety lock in the event of disengagement of the second leg with the outlet box.

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