US3553407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disconnecting contact assembly
Assignee: Westinghouse Electric Corp
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Filing: 1968-10-24
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Granted: 1971-01-05
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Expires: 1988-10-24
Abstract
Abstract A secondary disconnecting contact means for use with electrical apparatus such as circuit breakers or switches comprising separable relatively movable and stationary contact assemblies each including a plurality of contact members mounted on an insulating support or housing.
Inventors
- 👤 Richard HAUSER
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:07
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/36; H01H1/44; H02; H02B; H02B11/00; H02B11/02; H02B11/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
130 words
A disconnecting contact assembly comprising an insulating support having a plurality of spaced openings extending therethrough and disposed in side-by-side relation, an electrically conducting contact member disposed partially in at least one of said openings, said contact member pivotally supported adjacent to one end by a portion of said insulating support, said other end of said contact member including a generally arcuate contact portion extending externally of said insulating support, biasing means disposed in the same opening as said contact member for biasing the contact portion outwardly from the associated opening and means projecting from said contact member to engage an additional portion of said insulating support in at least one operating position to thereby limit the outward movement of said contact portion under the influence of said biasing means.
Claim 2
Dependent Claim
130 words
A disconnecting contact assembly comprising an insulating support having a plurality of spaced openings extending therethrough and disposed in side-by-side relation, an electrically conducting contact member disposed partially in at least one of said openings, said contact member pivotally supported adjacent to one end by a portion of said insulating support, said other end of said contact member including a generally arcuate contact portion extending externally of said insulating support, biasing means disposed in the same opening as said contact member for biasing the contact portion outwardly from the associated opening and means projecting from said contact member to engage an additional portion of said insulating support in at least one operating position to thereby limit the outward movement of said contact portion under the influence of said biasing means.
Claim 3
Dependent Claim
43 words
The combination as claimed in claim 1 wherein the biasing means comprises a spring having one end disposed to bear against an intermediate portion of said contact member and the other end disposed to bear against a further portion of said insulating support.
Claim 4
Dependent Claim
27 words
The combination as claimed in claim 1 wherein the insulating support includes a pair of spaced, integral lug portions for guiding electrical connections to the contact members.
Claim 5
Dependent Claim
146 words
A contact assembly comprising an insulating support having a plurality of spaced openings extending therethrough and disposed in side-by-side relation, and conducting contact member disposed in one of said openings and projecting outwardly therefrom, an electrically conducting terminal member disposed in said one of said openings and projecting out of the opening, said terminal member including a portion for pivotally supporting said contact member adjacent to one end thereof, said other end of said contact member including a generally arcuate contact portion extending externally of said insulating support, biasing means disposed in the same opening as said contact member for biasing the contact portion outwardly from said opening and means projecting from said contact member for engaging an additional portion of said insulating support in at least one operating position to limit the outward movement of said contact member under the influence of said biasing means.
Claim 6
Dependent Claim
146 words
A contact assembly comprising an insulating support having a plurality of spaced openings extending therethrough and disposed in side-by-side relation, and conducting contact member disposed in one of said openings and projecting outwardly therefrom, an electrically conducting terminal member disposed in said one of said openings and projecting out of the opening, said terminal member including a portion for pivotally supporting said contact member adjacent to one end thereof, said other end of said contact member including a generally arcuate contact portion extending externally of said insulating support, biasing means disposed in the same opening as said contact member for biasing the contact portion outwardly from said opening and means projecting from said contact member for engaging an additional portion of said insulating support in at least one operating position to limit the outward movement of said contact member under the influence of said biasing means.
Claim 7
Dependent Claim
27 words
The combination as claimed in claim 4 wherein a portion of said terminal member which projects out of said opening is adapted to receive a terminal screw.
Claim 8
Dependent Claim
35 words
The combination as claimed in claim 4 wherein a portion of said terminal member which projects out of said opening is formed as a tab member and is adapted to receive a push-on type connector.
Claim 9
Dependent Claim
43 words
The combination as claimed in claim 4 wherein the biasing means comprises a spring having one end disposed to bear against an intermediate portion of said contact member and the other end disposed to bear against a further portion of said insulating support.
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |