Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Reexamination Certificate
2005-09-27
2005-09-27
Donovan, Lincoln (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
C335S174000
Reexamination Certificate
active
06949998
ABSTRACT:
Apparatus for motor protection and control including power conductors including poles with separable contacts, a trip mechanism connected to an electromagnet, a mechanical device, a connecting strip and a manual control button, a protection device including means for detecting currents flowing through the power conductors and means for generating an initiating signal to control the trip mechanism, the electromagnet and the mechanical device, wherein the mechanical device is for actuating the separable contacts and the connecting strip, and the manual control button is for actuating the mechanical device, wherein the mechanical device includes means for automatically resetting the trip mechanism after the trip mechanism has tripped and means for returning the mechanical device to an OFF position.
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Donovan Lincoln
Schneider Electric Industries SAS
Steptoe & Johnson LLP
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