US4677524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalclad switchgear having separate assemblies
Assignee: Toshiba Corp
•
Filing: 1985-11-01
•
Granted: 1987-06-30
•
Expires: 2005-11-01
Abstract
Abstract A metalclad switchgear has three assemblies which are separately arranged in separate housings for housing a circuit breaker, a control line and a cable, all constituting the metalclad switchgear and which can be detachably coupled. The three assemblies are a circuit interrupting device, which can be designed for standardization, and a control line compartment and a cable compartment both of which can be designed in accordance with given specifications.
Inventors
- 👤 Masazumi Shiraishi
- 👤 Masaki Ikuta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:11
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/015; H02B1/06; H02B11/00; H02B11/12; H02B11/167
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
97 words
A metalclad switchgear comprising at least one circuit breaker and means for cooperating with each said at least one circuit breaker, said each circuit breaker and corresponding ones of said cooperating means comprising a plurality of separate assemblies which are arranged adjacent to each other and are detachably coupled to each other, said plurality of separate assemblies including circuit interrupting means for housing said circuit breaker therein and a plurality of cooperating units for separately housing said cooperating means, said circuit interrupping means being coupled with said plurality of cooperating units by a plurality of coupling means.
Claim 2
Dependent Claim
97 words
A metalclad switchgear comprising at least one circuit breaker and means for cooperating with each said at least one circuit breaker, said each circuit breaker and corresponding ones of said cooperating means comprising a plurality of separate assemblies which are arranged adjacent to each other and are detachably coupled to each other, said plurality of separate assemblies including circuit interrupting means for housing said circuit breaker therein and a plurality of cooperating units for separately housing said cooperating means, said circuit interrupping means being coupled with said plurality of cooperating units by a plurality of coupling means.
Claim 3
Dependent Claim
42 words
A switchgear according to claim 1, wherein said cooperating units include a control line compartment for housing a control line for supplying an electrical signal to said circuit breaker and a cable compartment for housing a cable connected to said circuit breaker.
Claim 4
Dependent Claim
55 words
A switchgear according to claim 2, wherein said circuit interrupting means comprises one circuit interrupting device, and said coupling means connects said control line compartment onto said one circuit interrupting device and substantially horizontally connects said cable compartment to said control line compartment and said one circuit interrupting device which are connected to each other.
Claim 5
Dependent Claim
90 words
A switchgear according to claim 2, wherein said switchgear comprises a multi-stage metaclad switchgear in which said circuit interrupting means comprises a plurality of circuit interrupting devices, and wherein said coupling means includes means for vertically coupling a plurality of said control line compartments, means for vertically coupling a plurality of said circuit interrupting devices and means for vertically coupling a plurality of said cable compartments, and means for substantially horizontally coupling said vertically coupled control line compartments, the vertically coupled cicuit interrupting devices and the vertically coupled cable compartments.
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) | 1990-06-29 | 1990-12-29 | 1991-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-06-29 | 1994-12-29 | 1995-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-06-29 | 1998-12-29 | 1999-06-30 | $7700.00 | Window Closed / Lapsed |