Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1980-05-15
1982-08-17
Shepperd, John W.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200159R, 200246, 200 16A, H01H 312, H01H 334
Patent
active
043451284
ABSTRACT:
An electrical switch assembly of the type including a movable contact and at least one additional contact having a free end portion lying generally across the line of travel of the movable contact and having a further portion secured against movement within the switch assembly. The switch assembly is provided with a stop member projecting into the line of travel of the free end portion for limiting following movement of the free end portion as the movable contact is retracted, ensuring a complete break in an electrical connection formed between the movable contact and the additional contact.
REFERENCES:
patent: 661736 (1900-11-01), Freyman
patent: 3694603 (1972-09-01), Congelliere et al.
patent: 4052581 (1977-10-01), Matsui
patent: 4055736 (1977-10-01), Congelliere
Buttner Horace J.
Buttner Thomas E.
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