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US4199741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving magnet, rotary switch
Assignee: Individual
•
Filing: 1977-11-07
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Granted: 1980-04-22
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Expires: 1997-11-07
Abstract
Abstract A rotary switch comprising a stationary body provided with longitudinal bores in each of which a core of magnetic material is movable, switching means located at one end of said bores, and adapted to be actuated by the said cores and magnetic elements adapted to be brought successively opposite the ends of said bores to either displace or hold the said cores in the said bores for actuating the said switching means.
Inventors
- 👤 Edouard Serrus Paulet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:37
CPC Classifications
H; H01; H01H; H01H36/00; H01H3/00; H01H3/32; H01H3/50; H01H2003/506
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
124 words
A rotary switch, comprising a stationary body having a longitudinal axis and having bores parallel with said axis, switching means arranged stationarily at least in proximity of an end of said bores, magnetic cores each placed in one of said bores and slidingly movable therein between two end positions each corresponding to a switching state of a corresponding switching means, an actuating element movable in rotation about said axis, and elements of magnetic material arranged in proximity to at least one end of said bores and driven in rotation by said actuating elements so as to be brought successively opposite the said ends of the bores for moving at least some of said cores and changing the switching states of the corresponding switching means.
Claim 2
Dependent Claim
124 words
A rotary switch, comprising a stationary body having a longitudinal axis and having bores parallel with said axis, switching means arranged stationarily at least in proximity of an end of said bores, magnetic cores each placed in one of said bores and slidingly movable therein between two end positions each corresponding to a switching state of a corresponding switching means, an actuating element movable in rotation about said axis, and elements of magnetic material arranged in proximity to at least one end of said bores and driven in rotation by said actuating elements so as to be brought successively opposite the said ends of the bores for moving at least some of said cores and changing the switching states of the corresponding switching means.
Claim 3
Dependent Claim
34 words
A rotary switch according to claim 1, wherein said elements of magnetic material are carried by a plate arranged in perpendicular relationship to the said axis and driven in rotation by the actuating elements.
Claim 4
Dependent Claim
16 words
A rotary switch according to claim 1, wherein said elements driven in rotation are permanent magnets.
Claim 5
Dependent Claim
16 words
A rotary switch according to claim 2, wherein said elements are angular sectors of magnetic material.
Claim 6
Dependent Claim
13 words
A rotary switch according to claim 1, wherein said cores are permanent magnets.
Claim 7
Dependent Claim
14 words
A rotary switch according to claim 1, wherein said switching means are mechanical-contact elements.
Claim 8
Dependent Claim
31 words
A rotary switch according to claim 5, wherein said switching means are components the conduction state of which varies substantially according to the proximity or remoteness of an associated permanent magnet.
Claim 9
Dependent Claim
38 words
A rotary switch according to claim 1, wherein said switching means are arranged in a first end of the bores for closing said first end, said switching means being sunk in a bottom face of said stationary body.
Claim 10
Dependent Claim
25 words
A rotary switch according to claim 1, wherein said switching means are carried by a separate plate for forming a bottom of said stationary body.
Claim 11
Dependent Claim
18 words
A rotary switch according to claim 1, wherein said bores containing the cores are evacuated and sealingly closed.
Claim 12
Dependent Claim
29 words
A rotary switch according to claim 1, wherein said stationary body comprises a plurality of bores arranged along a plurality of concentric circumferences and equiangularly spaced from one another.
Claim 13
Dependent Claim
55 words
A rotary switch according to claim 1, wherein said switching means are carried by said stationary body, and a rotary plate carrying said elements of magnetic material is arranged opposite each end of said stationary body, both plates rotating jointly with one and the same shaft extending along the central axis of said stationary body.
Claim 14
Dependent Claim
39 words
A rotary switch according to claim 12, wherein said surfaces of the two rotary plates facing the ends of said stationary body have magnetic angular regions which are substantially diametrically opposite each other from one plate to the other.
Claim 15
Dependent Claim
19 words
A rotary switch according to claim 12, wherein said cores are of soft iron, the angular regions comprising magnets.
Claim 16
Dependent Claim
21 words
A rotary switch according to claim 12, wherein said cores are permanent magnets and the angular regions are of soft iron.
References Cited (Backward Citations)
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GB1099631A
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US3277413A
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US3597714A
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US3719887A
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US3859612A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-22 | 1983-10-22 | 1984-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-22 | 1987-10-22 | 1988-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-22 | 1991-10-22 | 1992-04-22 | $7700.00 | Window Closed / Lapsed |