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US3609259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical wafer switch assembly with improved rotor contact structure
Assignee: Individual
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Filing: 1969-10-30
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Granted: 1971-09-28
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Expires: 1989-10-30
Abstract
Abstract An electrical switch of the rotary wafer type which permits interruptions and measuring the circuit conditions in any selected one of a plurality of continuously running circuits.
Inventors
- 👤 Kalman Drebin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:42
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/20; G01R1/206; H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
285 words
A switch comprising a stator ring made of insulating material, a rotor made of insulating material rotatable within the central aperture of said ring and in substantially the same plane therewith, a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each of said pairs of terminals being connectable to a separate electrical circuit, the respective terminals of each pair being mounted on opposite sides of said ring, an inwardly extending, integrally formed, spring-biased circuit finger on each of said circuit terminals, said fingers of each pair of terminals being normally in contact with each other to maintain the respective electrical circuit closed, each pair of circuit fingers being spaced apart from the outer periphery of said rotor, an integrally formed, outwardly extending wiper on said rotor extending into the circular path formed by the plurality of spaced-apart pairs of said circuit fingers, an electrically conductive film on each side of said rotor and extending over the corresponding respective sides of said wiper, said films being electrically isolated from each other, a single pair of meter terminals, said meter terminals being mounted on opposite sides of said stator, an inwardly extending spring-biased metEr finger on each of said meter terminals, each of said meter fingers being continually urged against a respective electrically conductive film on opposite sides of said rotor, an electrical measuring instrument connected to said meter terminals, said wiper being movable upon rotation of said rotor to any one of a plurality of selected positions to urge apart a selected pair of circuit fingers whereby the selected circuit is connected by way of the electrically conductive films on said rotor through said meter terminals to said electrical measuring instrument.
Claim 2
Dependent Claim
285 words
A switch comprising a stator ring made of insulating material, a rotor made of insulating material rotatable within the central aperture of said ring and in substantially the same plane therewith, a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each of said pairs of terminals being connectable to a separate electrical circuit, the respective terminals of each pair being mounted on opposite sides of said ring, an inwardly extending, integrally formed, spring-biased circuit finger on each of said circuit terminals, said fingers of each pair of terminals being normally in contact with each other to maintain the respective electrical circuit closed, each pair of circuit fingers being spaced apart from the outer periphery of said rotor, an integrally formed, outwardly extending wiper on said rotor extending into the circular path formed by the plurality of spaced-apart pairs of said circuit fingers, an electrically conductive film on each side of said rotor and extending over the corresponding respective sides of said wiper, said films being electrically isolated from each other, a single pair of meter terminals, said meter terminals being mounted on opposite sides of said stator, an inwardly extending spring-biased metEr finger on each of said meter terminals, each of said meter fingers being continually urged against a respective electrically conductive film on opposite sides of said rotor, an electrical measuring instrument connected to said meter terminals, said wiper being movable upon rotation of said rotor to any one of a plurality of selected positions to urge apart a selected pair of circuit fingers whereby the selected circuit is connected by way of the electrically conductive films on said rotor through said meter terminals to said electrical measuring instrument.
Claim 3
Dependent Claim
183 words
A switch comprising a stator ring, a rotor mounted coaxially within the central aperture of said stator, a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each terminal of each pair being separately connectable to respective ends of a corresponding separate electrical circuit, said circuit terminals of each pair being normally biased toward each other to maintain closed the circuit to which said pair is connected, a wiper on said rotor, two separate electrically conducting elements on said rotor and said wiper, said elements being electrically isolated from each other, a pair of electrical conductors on said stator and extending upon opposite sides of said rotor and continuously in contact with respective conducting elements while said rotor is at rest and while it rotates, said pair of electrical conductors being connectable to a separate common electrical circuit, said wiper being movable when said rotor is rotated to a selected position to urge apart the terminals of a selected pair of circuit terminals to connect the selected circuit by way of said electrically conducting elements to said common circuit.
Claim 4
Dependent Claim
183 words
A switch comprising a stator ring, a rotor mounted coaxially within the central aperture of said stator, a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each terminal of each pair being separately connectable to respective ends of a corresponding separate electrical circuit, said circuit terminals of each pair being normally biased toward each other to maintain closed the circuit to which said pair is connected, a wiper on said rotor, two separate electrically conducting elements on said rotor and said wiper, said elements being electrically isolated from each other, a pair of electrical conductors on said stator and extending upon opposite sides of said rotor and continuously in contact with respective conducting elements while said rotor is at rest and while it rotates, said pair of electrical conductors being connectable to a separate common electrical circuit, said wiper being movable when said rotor is rotated to a selected position to urge apart the terminals of a selected pair of circuit terminals to connect the selected circuit by way of said electrically conducting elements to said common circuit.
Claim 5
Dependent Claim
60 words
A switch according to claim 2 wherein said stator comprises a flat ring of insulating material and the circuit terminals of each pair of terminals are mounted on opposite sides of said ring, and all of said pairs of circuit terminals extend inwardly into said aperture to form a circular array coaxially spaced apart from the perimeter of said rotor.
Claim 6
Dependent Claim
55 words
A switch according to claim 3 wherein said rotor comprises a disc of insulating material, said wiper extends outwardly therefrom into the circular path formed by said circuit terminals, and said two conducting elements are formed on opposite surfaces of said rotor and said wiper, said two conducting elements being electrically isolated from each other.
Claim 7
Dependent Claim
35 words
A switch according to claim 4 wherein said electrical conductors are mounted on opposite sides of said stator and extend to and impinge continuously upon respective electrically conducting elements on opposite sides of said rotor.
Claim 8
Dependent Claim
27 words
A switch according to claim 2 wherein said common circuit comprises an electrical instrument for measuring the electrical conditions obtaining within a circuit selected by said wiper.
Claim 9
Dependent Claim
161 words
A switch comprising a stator ring, a rotor mounted coaxially within the central aperture of said stator, a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each terminal of each pair being separately connectable to respective ends of a separate electrical circuit, said circuit terminals of each pair being normally biased toward each other to maintain closed the circuit to which said pair is connected, a wiper on said rotor, two separate electrically conducting elements on said rotor and said wiper, said elements being electrically isolated from each other, an electrical measuring instrument, electrical conductors connecting said separate electrically conducting elements continuously to said instrument while said rotor is at rest and while it rotates, said wiper being movable when said rotor is rotated to a selected position to urge apart the terminals of a selected pair of circuit terminals to connect the selected circuit by way of said electrically conducting elements to said measuring instrument.
Claim 10
Dependent Claim
161 words
A switch comprising a stator ring, a rotor mounted coaxially within the central aperture of said stator, a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each terminal of each pair being separately connectable to respective ends of a separate electrical circuit, said circuit terminals of each pair being normally biased toward each other to maintain closed the circuit to which said pair is connected, a wiper on said rotor, two separate electrically conducting elements on said rotor and said wiper, said elements being electrically isolated from each other, an electrical measuring instrument, electrical conductors connecting said separate electrically conducting elements continuously to said instrument while said rotor is at rest and while it rotates, said wiper being movable when said rotor is rotated to a selected position to urge apart the terminals of a selected pair of circuit terminals to connect the selected circuit by way of said electrically conducting elements to said measuring instrument.
Claim 11
Dependent Claim
176 words
A switch comprising a stator ring, a rotor mounted coaxially within the centrAl aperture of said stator, a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each terminal of each pair being separately connectable to respective ends of a separate electrical circuit, said circuit terminals of each pair being normally biased toward each other to maintain closed the circuit to which said pair is connected, a single wiper on said rotor, two separate electrically conducting elements on said rotor and said wiper, said elements being electrically isolated from each other, an electrical measuring instrument, electrical conductors connecting said separate electrically conducting elements continuously to said instrument while said rotor is at rest and while it rotates, said wiper being movable when said rotor is rotated to a selected position to urge apart the terminals of a selected pair of circuit terminals, said circuit terminals remaining in electrical contact with respective separate electrically conducting elements on said wiper and said rotor whereby said measuring instrument is introduced into the selected electrical circuit.
Claim 12
Dependent Claim
176 words
A switch comprising a stator ring, a rotor mounted coaxially within the centrAl aperture of said stator, a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each terminal of each pair being separately connectable to respective ends of a separate electrical circuit, said circuit terminals of each pair being normally biased toward each other to maintain closed the circuit to which said pair is connected, a single wiper on said rotor, two separate electrically conducting elements on said rotor and said wiper, said elements being electrically isolated from each other, an electrical measuring instrument, electrical conductors connecting said separate electrically conducting elements continuously to said instrument while said rotor is at rest and while it rotates, said wiper being movable when said rotor is rotated to a selected position to urge apart the terminals of a selected pair of circuit terminals, said circuit terminals remaining in electrical contact with respective separate electrically conducting elements on said wiper and said rotor whereby said measuring instrument is introduced into the selected electrical circuit.
Claim 13
Dependent Claim
243 words
A switch comprising a stator ring, a rotor mounted coaxially within the central aperture of said stator, a first group of a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, a second group of a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each terminal of each pair being separately connectable to respective ends of a separate electrical circuit, said circuit terminals of each pair being normally biased toward each other to maintain closed the circuit to which said pair is connected, first and second spaced-apart wipers on said rotor, a first pair of separate electrically conducting elements insulated from each other and located on opposite sides of said rotor and said first wiper, a second pair of separate electrically conducting elements insulated from each other and located on opposite sides of said rotor and said second wiper, first and second electrical measuring instruments, electrical conductors continuously connecting said first and second instruments separately to respective first and second pairs of electrically conducting elements on said rotor and said respective first and second wipers while said rotor is at rest and while it rotates, said first and second wipers being movable when said rotor is rotated to selected positions to urge apart the terminals of respective selected pairs of circuit terminals in said first and second groups of circuit terminals to connect said respective circuits to said respective first and second measuring instruments.
Claim 14
Dependent Claim
243 words
A switch comprising a stator ring, a rotor mounted coaxially within the central aperture of said stator, a first group of a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, a second group of a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each terminal of each pair being separately connectable to respective ends of a separate electrical circuit, said circuit terminals of each pair being normally biased toward each other to maintain closed the circuit to which said pair is connected, first and second spaced-apart wipers on said rotor, a first pair of separate electrically conducting elements insulated from each other and located on opposite sides of said rotor and said first wiper, a second pair of separate electrically conducting elements insulated from each other and located on opposite sides of said rotor and said second wiper, first and second electrical measuring instruments, electrical conductors continuously connecting said first and second instruments separately to respective first and second pairs of electrically conducting elements on said rotor and said respective first and second wipers while said rotor is at rest and while it rotates, said first and second wipers being movable when said rotor is rotated to selected positions to urge apart the terminals of respective selected pairs of circuit terminals in said first and second groups of circuit terminals to connect said respective circuits to said respective first and second measuring instruments.
Claim 15
Dependent Claim
191 words
A switch comprising a stator ring, a rotor mounted coaxially within the central aperture of said stator, at least two groups of a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each terminal of each pair being separately connectable to respective ends of a separate electrical circuit, said circuit terminals of each pair being normally biased toward each other to maintain closed the circuit to which said pair is connected, a wiper on said rotor for each of said groups, each wiper engaging the circuit terminals of only a corresponding group of pairs of terminals, an electrical measuring instrument for each of said groups of circuit terminals, means connecting said instruments to respective spaced-apart pairs of terminals on said stator, and means maintaining continual electrical connection between said instrument terminals and said respective wipers while said rotor is at rest and while it rotates, said wipers being movable when said rotor is rotated to selected positions to urge apart the terminals of respective selected pairs of circuit terminals in each of said groups of circuit terminals to connect corresponding respective circuits to said respective measuring instruments.
Claim 16
Dependent Claim
191 words
A switch comprising a stator ring, a rotor mounted coaxially within the central aperture of said stator, at least two groups of a plurality of radially spaced-apart pairs of separable circuit terminals mounted on said stator, each terminal of each pair being separately connectable to respective ends of a separate electrical circuit, said circuit terminals of each pair being normally biased toward each other to maintain closed the circuit to which said pair is connected, a wiper on said rotor for each of said groups, each wiper engaging the circuit terminals of only a corresponding group of pairs of terminals, an electrical measuring instrument for each of said groups of circuit terminals, means connecting said instruments to respective spaced-apart pairs of terminals on said stator, and means maintaining continual electrical connection between said instrument terminals and said respective wipers while said rotor is at rest and while it rotates, said wipers being movable when said rotor is rotated to selected positions to urge apart the terminals of respective selected pairs of circuit terminals in each of said groups of circuit terminals to connect corresponding respective circuits to said respective measuring instruments.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |