Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1977-11-17
1980-08-05
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335196, H01H 6302
Patent
active
042164532
ABSTRACT:
Laminated springs for obtaining relay three-way switch and the like, made of an elastically deformable conductive metal, each having two fore elongated sustantially parallel arms extending along about the half of the spring length, near the free ends of which are fixed, contact pads having a substantially semi-cylindrical shape and applied thereon with their longitudinal flat surface so that the generatrices of each co-operating pairs of pads are set at right angles to one another, while at the back portion each laminated spring comprises a longitudinal tongue extending backwardly, having a predetermined length and bent at right angle in regard to the laminated spring plane, between the pair of fore arms and the rear tongue of each spring a through hole being bored. The invention also concerns the assembly method of said laminated springs and the relays obtained therewith.
REFERENCES:
patent: 3501720 (1970-03-01), Mathys
patent: 4008447 (1977-02-01), Anderson et al.
Harris George
Industria Politecnica Meridionale S.p.A.
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