Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01H
ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
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H01H1/50
Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
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H01H2001/508
with mechanical means to prevent return/reverse movement of movable contact once opening or closing cycle has started
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