Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1992-03-30
1994-01-25
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335131, 336192, H01F 500, H01F 1510, H01H 5060
Patent
active
052819400
ABSTRACT:
A solenoid coil bobbin of the present invention for an electromagnetic switch which has a lead wire part of a coil being provided with projections an outer circumference walls adjacent to a pair grooves to be included the lead wire in the opening therebetween, each top end of the projections further having a swollen portion which protrudes in some length from a shape of a hall of the rigid iron core to be inserted the lead wire part therein, so that the swollen portion closes the opening of the lead wire part when inserting the lead wire part in the hall.
REFERENCES:
patent: 4677407 (1987-06-01), Tanaka et al.
Broome Harold
Mitsubishi Denki K.K.
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