Inductor devices – With permanent magnet
Patent
1977-07-18
1978-10-17
Kozma, Thomas J.
Inductor devices
With permanent magnet
365 62, 340197, 340365L, 400479, H01F 2106
Patent
active
041211855
ABSTRACT:
An improved linear position sensor that utilizes a pair of elongated magnetically permeable tubular sensing elements and a pair of elongated magnets positioned to move with respect to the tubular sensing elements is disclosed. The sensor is provided with a housing structure having a pair of guide slots which guide a support plate for the tubular sensing elements, and a second pair of guide slots formed at right angles to the first pair of guide slots, which guide a pair of wings on the control member that carries the magnets, so that the elongated tubular sensing elements and the magnetic elements are accurately retained in place with respect to each other. The housing is formed with channels in its interior which receive a pair of elongated coil springs that bias the member. The structure is designed for ease of assembly with snap-together sub-assemblies.
REFERENCES:
patent: 3698531 (1972-10-01), Bernin
Beart Robert W.
Bowen Glenn W.
Illinois Tool Works Inc.
Kozma Thomas J.
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