Electrical connectors – With contact preventer or retractable cover part – Movably mounted
Reexamination Certificate
2007-10-11
2008-11-04
Dinh, Phuong K (Department: 2839)
Electrical connectors
With contact preventer or retractable cover part
Movably mounted
C439S188000
Reexamination Certificate
active
07445472
ABSTRACT:
A safety electric socket in which two spring-supported doorplates are respectively pivoted to a holder block to block the neutral and hot slots against outside dust and water and to stop the spring-supported on/off switching button from downward movement. The doorplates are opened for allowing downward movement of the switching button to switch on power supply when the neutral and hot blades of an electric plug are respectively inserted into the neutral and hot slots.
REFERENCES:
patent: 4271337 (1981-06-01), Barkas
patent: 5320545 (1994-06-01), Brothers
Chan Te-Lin
Huang Fu-Hsiang
Yang Chih-Ping
Dinh Phuong K
Rosenbeerg, Klein & Lee
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