Plural reed switches having an integral, interconnecting web

Details Plural reed switches having an integral, interconnecting web Plural reed switches having an integral, interconnecting web

1977-08-22

1979-07-03

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Vacuum or hermetically sealed type

335154, H01H 166

Patent

active

041602234

ABSTRACT:
Reed switches, contact sections of the reed of which bear with a predetermined positive force against inside surfaces of an elongated envelope, are made by forming combs, each including a header web and, integral with the web and projecting therefrom, a plurality of reed elements. The reed elements are parallel with one another and spaced from one another along the web. A plurality of elongated glass envelopes are mounted in a fixture, parallel with one another and spaced the same centerline-to-centerline distance as the reed elements. The reed elements of a first comb are inserted into one end of the envelopes and the reed elements of a second comb into the other end of the envelopes until the inner ends of the opposite reeds are in the desired positions lengthwise with respect to one another. The free inner end of each of the reed elements of the first comb is then forced against the inner wall of an envelope in one direction with a predetermined positive pressure; the free inner end of each of the reed elements of the second comb is similarly forced against the inner wall of the envelope in the opposite direction, and while the pressures are maintained, the reed elements are fused into the envelopes. The envelopes are preferably so made that only a broad outer surface of reed elements of rectangular cross section bears against the envelope at the contact end.

REFERENCES:
patent: 3134868 (1964-05-01), Shine
patent: 3938066 (1976-02-01), Morrill, Jr.
patent: 3967224 (1976-06-01), Seely

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