Damping of contacts

Details Damping of contacts Damping of contacts

1975-09-15

1977-08-16

Schaefer, Robert K.

Electricity: circuit makers and breakers

Electric switch details

Contact

200DIG46, 335154, 335193, H01H 360

Patent

active

040427994

ABSTRACT:
Contact springs are damped against resilient bouncing in that thin plastic foil covers one or both sides of the spring. The foil, when extending into the zone of clamping one end of the spring, is used to maintain specific tolerances in contact positioning. The foil should have low cold flow characteristics and high reversible elasticity, such as folacron or polysulphonic plastic.

REFERENCES:
patent: 1400126 (1921-12-01), Wotton
patent: 3134868 (1964-05-01), Shine
patent: 3348175 (1967-10-01), Wilkis
patent: 3525836 (1970-08-01), Hanhart

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