Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1994-12-21
1996-02-27
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
H01F 713, H01F 708
Patent
active
054952204
ABSTRACT:
A structure for reducing impact force due to the collision of a movable iron core (4) against a fixed iron core (3), especially, impact force exerted against a bottom plate of a lower casing (2) where electromagnetic contactor mounting portions are provided. A back portion of the fixed iron core (3) is put on the bottom plate of the lower casing (2) through a convex leaf spring (14) which has opposite end portions bent at right angles to form lower pressure-receiving surfaces (14a) and side pressure-receiving surfaces (14b) so that the lower pressure-receiving surfaces (14a) and the side pressure-receiving surfaces (14b) are brought into contact with the bottom plate of the lower casing (2) and with side walls of the lower casing (2), respectively.
REFERENCES:
patent: 3196231 (1965-07-01), Meyer
patent: 3467921 (1969-09-01), McGary
European Search Report dated Apr. 26, 1995.
Kogawa Kuniyuki
Takaya Kouetsu
Barrera Raymond M.
Fuji Electric & Co., Ltd.
Picard Leo P.
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