Unitarily constructed carpet flange with self-closing flap...

Details Unitarily constructed carpet flange with self-closing flap... Unitarily constructed carpet flange with self-closing flap...

H - Electricity

02

G

H02G 3/00 (2006.01) H02G 3/08 (2006.01) H02G 3/18 (2006.01)

Patent

CA 2120178

A floor box wiring fitting incorporating a novel carpet flange possessing a self-closing flap cover assembly, whereby the fitting is adapted to be cast into a concrete floor of a building for the conductance of electrical power or telecommunication signals between the work spaces of buildings. The self-closing action of the flap covers which are hingedly connected to the flap cover plate structure, the latter of which consists of a carpet flange, is essentially implemented through an angular operative contacting relationship between the wall surfaces of the openings receiving the hinging portion of the flap covers and the contiguous or adjacent wall surface of the flap cover which, in effect, will inhibit the flap covers from being opened or swing upwardly from a closed horizontal position to an acute opening angle greater than about 85°. This acute maximum opening angle measured from the horizontal upper surface of the carpet flange will cause the flap covers to be downwardly closed, in the absence of any plug connectors or receptacles being inserted through the carpet flange, under the action of their own weight or gravity. Also included is novel structure for staking hinge connections of the flap covers in place, and structure for latchingly engaging the flap covers in their closed positions.

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