Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Polarity-responsive
Patent
1992-08-21
1994-02-22
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Polarity-responsive
335 83, H01H 5122
Patent
active
052891445
ABSTRACT:
The relay comprises a flat base, a motor unit mounted on the base, an armature arranged on one end of the motor unit to actuate a contact arrangement fastened on the base at the other end of the motor unit. The movement of the armature upon energization or de-energization of the motor unit is transferred to the contact arrangement by means of a pusher arranged above the motor unit. The pusher is clamped to the armature by means of a multi-functional retainer spring which serves also for fastening the armature to a frame and for biasing the armature into its rest position. The motor unit is inserted with terminals and bobbin posts into oblong holes of the base so as to be displaceable in an actuating direction for adjusting a contact gap or overtravel during assembly of the relay and before securing the motor unit to the base.
REFERENCES:
patent: 3230329 (1966-01-01), Richert et al.
patent: 4486727 (1984-12-01), Freeman et al.
patent: 4618842 (1986-10-01), Nestlen et al.
patent: 4958137 (1990-09-01), Schroeder
Article by Nakabayashi et al. in Proceedings 39th Relay Conference Apr. 22-24, 1992, National Association of Relay Manufacture entitled, "Development of a Highly Sensitive Subminiature Power Relay."
Article by Mitschik et al. in Siemens Components, vol. XXIV, Dec. 1989, entitled "MSR--A Relay With 8-mm Clearance and Creepage Distances."
Codispoti Joseph S.
Donovan Lincoln
Potter & Brumfield, Inc.
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