Receptacles – Sectional – Electrical housing
Patent
1996-03-01
1997-09-23
Foster, Jimmy G.
Receptacles
Sectional
Electrical housing
177181, 220784, G01G 2128
Patent
active
056695225
ABSTRACT:
An enclosure for housing electronic circuitry having a base and a cover with side walls includes a non-exposed fastening mechanism for securing, sealing, centering, and releasing the cover relative to the base. The fastening mechanism includes a ledge on the inside of a cover side wall and a restraining clip having a fixed leg mounted to the base and a flexible leg movable towards and away from the fixed leg and which engages the ledge when the cover is positioned on the base. A resilient gasket is fastened to the cover and positioned to seal the cover to the base and to be resiliently compressed when the cover is positioned on the base. The resilient compression of the gasket maintains the flexible leg in contact with the ledge to secure the cover to the base. The flexible leg also maintains the cover side wall away from the base. Several restraining clips are spaced apart on the base so that the flexible legs center the cover in at least one direction relative to the base. Access holes are provided through the cover to allow a screwdriver or other implement to pass therethru to move the flexible leg towards its respective fixed leg and thereby disengage the flexible leg from the ledge, releasing the cover from the base. The restraining clip is further provided with a projection to prevent overtravel of the flexible leg when releasing the cover from the base.
REFERENCES:
patent: 2622869 (1952-12-01), Van Duyn
patent: 3759415 (1973-09-01), Cloyd
patent: 3814278 (1974-06-01), Beierle
patent: 5046632 (1991-09-01), Bordner
Ichrist Raymond J.
Million James F.
Foster Jimmy G.
Mettler-Toledo, Inc.
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