Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1985-03-18
1986-12-16
Marcus, Stephen
Electricity: circuit makers and breakers
Liquid contact
Time delay
200 6189, 200 82D, 200161, 2003022, 200329, B60Q 144, H01H 348
Patent
active
046298428
ABSTRACT:
The contactor incorporates, in a cavity (70), a fixed contact blade (20) and a movable contact blade (21) pushed elastically away from the fixed contact blade (20) in the opposite direction to the direction in which the follower (13) is pushed, the follower (13) being capable of cooperating in thrust with the piston mechanism (2) of the casing of the servomotor in which the contactor is mounted, the movable contact blade being coupled to a plunger (15) mounted so as to slide in the follower (13) and incorporating a shoulder (16) which is capable of cooperating with an abutment (18) of the follower. The cavity (70) isoldated hermetically from the outside, communicates freely and permanently with the rear working chamber (4) of the servomotor through passages (12).
REFERENCES:
patent: 2547765 (1951-04-01), Lund
patent: 3258549 (1966-06-01), Stoi
patent: 3258571 (1966-06-01), Schmidt
patent: 3293849 (1966-12-01), Smith
patent: 3673365 (1972-06-01), Schadow
patent: 3681551 (1972-08-01), Smith
patent: 3719788 (1973-03-01), Holland et al.
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patent: 3965311 (1976-06-01), Parolin
patent: 4037316 (1977-07-01), Stoll
patent: 4272659 (1981-06-01), Orzel
patent: 4467160 (1984-08-01), Murmann et al.
Picot Pascal
Pressaco Pierre
Cusick Ernest G.
Decker Ken C.
Marcus Stephen
Palguta Larry J.
Societe Anonyme D.B.A.
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