Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1983-10-28
1986-01-14
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335136, H01H 5108
Patent
active
045648298
ABSTRACT:
A railway signaling relay for use in vital circuits has a high percentage release (ratio of drop away current to pickup current between 70% and 80%) by arrangement of contact springs and their associated pressure and stop plates which provide trapped pressure in the contact springs affording the high percentage release characteristic without modification of the electrical or basic mechanical configuration of the relay and retaining its vital characteristics.
REFERENCES:
patent: 2258122 (1941-10-01), Merkel
GRS Catalog 62-1, Type B and Type VTB Plug-In Relays, Oct. 1982, General Signal Corp.
Dinger Ronald W.
Illenberg Cornelius J.
Kunde David A.
Lucarelli Anthony V.
Broome Harold
General Signal Corp.
Kleinmam M. E.
Lukacher M.
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