Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1984-01-16
1985-08-27
Grimley, A. T.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
174 15R, 174 48, 174 52PE, 361272, 361433, H01G 906
Patent
active
045380252
ABSTRACT:
An electrical device has an electrical component, a housing having an open end for receiving the electrical component, a closure member for sealing the open end of the housing, the housing including an inner wall and a shoulder on the inner wall providing a seat for the closure member, and a retainer for retaining the closure member in sealing engagement with the seat. The retainer includes a plurality of radially outwardly extending ears for gripping the inner wall of the housing. A plurality of radially inwardly projecting lugs are provided on the inner wall and each lug has an axially inwardly facing surface for engaging the ears to maintain the closure member in sealing engagement with the seat.
REFERENCES:
patent: 3697824 (1972-10-01), Greskamp
patent: 3986083 (1976-10-01), Carino
patent: 4323724 (1982-04-01), Shine
patent: 4342070 (1982-07-01), Evans
patent: 4494174 (1985-01-01), Schroeder
Coe Jerry R.
Pearce Godfrey R.
See Francis R.
Emhart Industries Inc.
Flower Terry
Grimley A. T.
Meyer Robert F.
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