Air- and dust-proof cover for flush mounting wiring fixture

Details Air- and dust-proof cover for flush mounting wiring fixture Air- and dust-proof cover for flush mounting wiring fixture

1987-01-09

1987-08-11

Pollard, Steven M.

Receptacles

Outlet or junction box type

220 33, 220 39, H02G 308

Patent

active

046855815

ABSTRACT:
An air- and dust-proof cover for a flush mounting wiring fixture comprises a housing part having cylindrical parts respectively extended inward and outward from the housing part and having therein a flexible thin-wall portion for penetrating therethrough connecting wires to be connected to terminals of the wiring fixture to be housed in the housing part, the wires being thus passed through the flexible thin-wall portion broken by the wires as guided by the cylindrical parts, with any possibility of cracking of the housing part at such wire passing portion or of deterioration of the airtightness due to contraction of the housing part accompanying ambient temperature change effectively eliminated.

REFERENCES:
patent: 3917101 (1975-11-01), Ware
patent: 4134636 (1979-01-01), Kleinatland et al.
patent: 4265365 (1981-05-01), Boteler
patent: 4296870 (1981-10-01), Balkwill et al.
patent: 4345693 (1982-08-01), Balkwill et al.
patent: 4389535 (1983-06-01), Slater et al.
patent: 4408695 (1983-10-01), Balkwill et al.
patent: 4408696 (1983-10-01), Crosson
patent: 4580689 (1986-04-01), Slater

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