Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1981-04-07
1982-12-21
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
29602R, H01F 300
Patent
active
043652239
ABSTRACT:
A cylindrical core is fixed by electrical welding on an arm of a magnetic pot element, the other arms of the pot element being worked to create second polar surfaces at a predetermined distance from the first polar surface of the free end of the core, a magnetizable ring may be fixed on the end in such a manner that the first polar face is situated, after deformation, at a distance from the second polar surfaces.
REFERENCES:
patent: 2162465 (1939-06-01), Guilder
patent: 2500748 (1950-03-01), Grant
Anguille Jean M.
Fechant Louis J. M.
Siffroi Lucien
Broome Harold
Drucker William A.
La Telemecanique Electrique
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