Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Vacuum or hermetically sealed type
Patent
1994-08-03
1995-08-01
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Vacuum or hermetically sealed type
335154, H01H 166
Patent
active
054383072
ABSTRACT:
A single-pole magnetic reed relay includes a coil reel which has an axially extending reel portion, two opposite stop ends, a reed receiving groove extending axially in the reel portion and the stop ends, a reed entrance extending axially in the reel portion and the stop ends and communicated with the reed receiving groove in a radial direction, two extension portions formed outwardly of the stop ends, two first holes formed respectively and radially through the stop ends, and two second holes formed respectively and radially through the extension portions. The first and second holes are aligned axially with one another. Two coil terminals extend respectively through the first holes and have head portions positioned within the first holes. A reed contact unit is received in the reed receiving groove and has two conducting end portions which extend respectively through the second holes. A coil is wound around the reel portion and the reed contact unit and has two distal ends connected respectively and directly to the coil terminals. A case is used to contain and encapsulate the coil reel, the coil terminals, the reed contact unit and the coil by means of a resin.
REFERENCES:
patent: 4156218 (1979-05-01), Koppensteiner
patent: 4177439 (1979-12-01), Smith
patent: 4191935 (1980-05-01), Archer et al.
patent: 4232281 (1980-11-01), Smith
Donovan Lincoln
Liao Pen-Lin
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