Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1986-03-28
1987-11-17
Goldberg, E. A.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335128, 335131, 335133, 335202, H01H 6302, H01H 6702
Patent
active
047076755
ABSTRACT:
An electromagnetic relay includes a base of electrically insulation for mounting an electromagnet, an armature and at least one contact assembly including a movable contact. Integrally molded with the base is an envelope having side walls and a top wall for receiving therein the electromagnet which envelope defines on the base outwardly thereof a space for mounting the contact assembly. The side wall of the envelope extends along the entire length of the electromagnet in order to completely separate the contact assembly located outwardly of the envelope from the electromagnet along the entire length thereof for increased insulation resistance therebetween. The armature is mounted on the top wall of the envelope to be movable within a horizontal plane on the top wall and is operatively connected to the movable contact of the contact assembly by a card extending over the side wall adjacent thereto. The electromagnet, contact assembly and armature are arranged in dense-packed manner on the base while the electromagnet is effectively insulated by the envelope from the contact assembly, whereby assuring higher current carrying capacity with a miniaturized construction of the relay.
REFERENCES:
patent: 3109903 (1960-08-01), Lychyk
patent: 4101856 (1978-07-01), Durr
patent: 4302742 (1981-11-01), Schedele
patent: 4339735 (1982-07-01), Ono
patent: 4613840 (1986-09-01), Yabu et al.
Motoyama Masanori
Nakagawa Masashi
Nishikawa Toyotaka
Donovan Lincoln
Goldberg E. A.
Matsushita Electric & Works Ltd.
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