H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 51/00 (2006.01) H01H 49/00 (2006.01) H01H 50/34 (2006.01) H01H 50/44 (2006.01) H01H 50/04 (2006.01) H01H 50/36 (2006.01)
Patent
CA 2306587
A electromagnetic relay includes a spool, a coil, a U-shaped yoke, an armature, a movable contact, a pair of stationary contacts, and a taper. The spool has an inner hole and first and second flange portions formed at its two ends. The coil is wound on the spool. The yoke is locked at the flange portions of the spool by press fitting to stride over the coil. The armature is movably connected to one end of the yoke and positioned to extend through the inner hole of the spool. The movable contact is attached to move in an interlocked manner with the armature. The pair of stationary contacts are arranged to sandwich the movable contact. The taper is formed on at least one of press-fit locking surfaces of one end of the yoke and the first flange portion, and has a locking force that increases as being closer to a vicinity of the inner hole of the spool. A method of adjusting an electromagnetic relay, and a method of assembling an electromagnetic relay are also disclosed.
Chiba Toshiaki
Gotou Tosiyuki
Ichikawa Kazuhiro
Ide Tatsumi
Ono Tsutomu
Corporation Nec
Nec Tokin Corporation
Smart & Biggar
LandOfFree
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