Covered conduit box having a cover which captures screws

Details Covered conduit box having a cover which captures screws Covered conduit box having a cover which captures screws

1993-01-15

1995-02-21

Picard, Leo P.

Electricity: conductors and insulators

Boxes and housings

Hermetic sealed envelope type

220 38, 220305, 220327, 310 71, 310 89, H02G 308

Patent

active

053918371

ABSTRACT:
A covered conduit box includes a cover which maintains screws, used to fix the cover to a base member of the box, captive, when the cover is disengaged. The cover includes stepped screw bores therein which allow the screws to cock slightly relative to the cover, to engage in mating channels provided in flanges on the base member, the flanges being angled away from the cover to provide a torque upon the screws, maintaining engagement between the cover and the body. The stepped screw bore maintains the screw captured within the bore unless pressure is applied against the end of the screw to cause a thread thereof to interact with sidewalls of the bore, at which point the screw can be disengaged from capture therein.

REFERENCES:
patent: 1927780 (1933-09-01), Anderson
patent: 2272178 (1942-02-01), McDowell et al.
patent: 4036389 (1977-07-01), Pate et al.
patent: 4167196 (1979-09-01), Morris
patent: 4214667 (1980-07-01), Lass
patent: 4295575 (1981-10-01), Flachbarth
patent: 4355198 (1982-10-01), Gartland, Jr.
patent: 4449777 (1984-05-01), Baribeau
patent: 4504698 (1985-03-01), Greenwood
patent: 4580689 (1986-04-01), Slater
patent: 4664281 (1987-05-01), Falk et al.
patent: 5192888 (1993-03-01), Fleer

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