Spark leakage shutoff protective device for plug

Details Spark leakage shutoff protective device for plug Spark leakage shutoff protective device for plug

2007-04-24

2007-04-24

Nguyen, Khiem (Department: 2839)

Electrical connectors

With circuit component or comprising connector which fully...

C439S181000

Reexamination Certificate

active

11408869

ABSTRACT:
A spark leakage shutoff protective device for a plug includes an upright snapping lever, a leakage detection electromagnetic valve, a restoring member, and an upright support wall. The snapping lever is located between the restoring member and the leakage detection electromagnetic valve. Thus, the snapping lever is hidden in the restoring member to reduce the volume of the spark leakage shutoff protective device so that the spark leakage shutoff protective device occupies a smaller space in the plug. In addition, the snapping lever is supported by the support wall, so that the snapping lever is not easily deformed or worn out during a long-term utilization, thereby enhancing the lifetime of the snapping lever.

REFERENCES:
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patent: 4820203 (1989-04-01), Figone
patent: 6746258 (2004-06-01), Kikuchi et al.
patent: 6758690 (2004-07-01), Yu et al.
patent: 6762376 (2004-07-01), Nakamura et al.
patent: 6942503 (2005-09-01), Yamaguchi et al.
patent: 6942509 (2005-09-01), Sasame et al.

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