Class 218/32 - Pivot

Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter including a pin or shaft on the end of which
No. of patents: 42
Last issue date: 09/12/2006

Number	Title	Issue Date
4301340	Electrical switchgear A pair of switches are disposed adjacent one another in a housing which contains the highly insulating gas sulphur hexafluoride. In a closed position of each switch, a pivotable contact arm engages fixed contact fingers to permit the flow of load current ...	11/17/1981
4071836	Current limiting circuit breaker A current limiting circuit breaker having for each pole, a pair of main contacts separable upon operation of a thermally and electromagnetically operable tripping device and a pair of auxiliary contacts for current limiting in series with the main contact...	01/31/1978

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