Synthetic-resin and metallic layered housing for hand-held appli

Details Synthetic-resin and metallic layered housing for hand-held appli Synthetic-resin and metallic layered housing for hand-held appli

1982-01-12

1983-06-14

Shepperd, John W.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 52R, 200 6185, 200302, H01H 904, H01H 906

Patent

active

043885098

ABSTRACT:
A housing has a wall constituted by a rigid metal plate formed with an array of throughgoing perforations and by a flexible synthetic-resin sheet overlying the inner face of the rigid wall and having a multiplicity of projections each extending through a respective perforation and beyond the outer surface of the rigid plate. Furthermore the flexible sheet may be inwardly deflectable to actuate a switch in the housing.

REFERENCES:
patent: 3699294 (1972-10-01), Sudduth
patent: 3959610 (1976-05-01), Finnegan et al.
patent: 3995126 (1976-11-01), Larson
patent: 4184321 (1980-01-01), Tarusawa

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