Electricity: electrical systems and devices – Safety and protection of systems and devices – Transient responsive
Patent
1985-06-05
1987-03-31
Pellinen, A. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Transient responsive
361119, 339147R, H02H 322
Patent
active
046547436
ABSTRACT:
A transient voltage protector is provided for telephone lines and the like. An insulating plastic housing is provided with two pairs of terminals having female connections at the lower ends for association with selected terminals of a telephone terminal block. The upper ends of these terminals are of a male type and extend above the top of the housing for receipt of further elements such as bridging clips, plug-in fuse units, or line status indicators. An offset and raised portion of the housing carries a pair of zener diodes having lower wire terminals connected to two of the aforesaid terminals. The upper wire terminals of the zener diodes are connected to a grounding terminal having an upper portion extending above the housing in the form of two spaced tines for receipt of a common ground wire between the tines. The various terminals and the zener diodes and the housing have complementary structure for positioning of the terminals and the diodes within the housing. In a modification the housing has a second offset and raised portion mounting two gas diodes.
REFERENCES:
patent: 4023071 (1977-05-01), Fussell
patent: 4239319 (1980-12-01), Gladd et al.
patent: 4328524 (1982-05-01), Nozick
patent: 4388665 (1983-06-01), Putz
patent: 4554609 (1985-11-01), Ruehl et al.
patent: 4586104 (1986-04-01), Standler
Heidorn Richard H.
Ruehl William E.
Swick E. Grant
Buckman T. W.
Illinois Tool Works Inc.
O'Brien J. P.
Pellinen A. D.
Wysocki A. Jonathan
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