Class 337/134 - With magnetic biasing or holding means

Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter including means whereby a field of magnetic
No. of patents: 3
Last issue date: 05/31/2011

Number	Title	Issue Date
7952461	Sensor element for a fault interrupter and load break switch A fault interrupter and load break switch includes a trip assembly configured to automatically open a transformer circuit electrically coupled to stationary contacts of the switch upon the occurrence of a fault condition. The fault condition causes a Curie metal ele...	05/31/2011
5917398	Reed contact unit for an electric switch The invention relates to a reed contact unit (1) for electric switching functions, comprising a metallic contact blank (2) featuring a base (3) with at least one contact arm (5) configured integral with it, and comprising an electrically non-conducting fr...	06/29/1999
4551660	Motor controlling switch device A switch device for controlling an electric motor which is used, for example, in a power window or sunroof of an automobile. The switch device includes a magnetically attractive piece, an electromagnet, sets of electrical switch contacts, and a spring coi...	11/05/1985

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