US4251844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fault indicator case and mount
Assignee: Dipl Ing H Horstmann GmbH
•
Filing: 1978-09-08
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Granted: 1981-02-17
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Expires: 1998-09-08
Abstract
Abstract The fault indicator case has a concave mounting surface along which extend two legs having at their ends mounted jaws with serrated surfaces for engaging cable from below. Camming surfaces on the jaws facilitate placing the case on the cable. A shield can be fastened to the case after having been mounted.
Inventors
- 👤 Hendrik Horstmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:47
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/145; G01R31/00; G01R31/50; G01R31/52; G01R31/58
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
126 words
A short-circuit and line fault indicator having a case which contains an electronic circuit including a reed relay to be actuated by a magnetic field surrounding a conductor, the improvement of the case comprising: the case having a generally shallow concave front face for engagement with a cable, conductor, or the like, but for extending laterally beyond the cable or conductor when centrally in engagement therewith; resilient holding legs extending beyond and to both sides of said face, for extension along and adjacent to opposite sides of such a cable or conductor; and support jaws adjustably mounted on the ends of the legs, and bearing against the cable or conductor from a side generally opposite points of engagement between the face and the cable or conductor.
Claim 2
Dependent Claim
126 words
A short-circuit and line fault indicator having a case which contains an electronic circuit including a reed relay to be actuated by a magnetic field surrounding a conductor, the improvement of the case comprising: the case having a generally shallow concave front face for engagement with a cable, conductor, or the like, but for extending laterally beyond the cable or conductor when centrally in engagement therewith; resilient holding legs extending beyond and to both sides of said face, for extension along and adjacent to opposite sides of such a cable or conductor; and support jaws adjustably mounted on the ends of the legs, and bearing against the cable or conductor from a side generally opposite points of engagement between the face and the cable or conductor.
Claim 3
Dependent Claim
19 words
A fault indicator as in claim 1, said face being configured as two surfaces intersecting at an obtuse angle.
Claim 4
Dependent Claim
30 words
A fault indicated as in claim 1, said jaws having oblique camming surfaces for spreading the legs upon engagement with the cable or conductor for placement of the case thereon.
Claim 5
Dependent Claim
22 words
A fault indicator as in claim 1, said arms having oblong slots traversed by short, clamping screws for adjustably mounting said jaws.
Claim 6
Dependent Claim
22 words
A fault indicator as in claim 1, said arms and rear surfaces of the jaws engaging the arms being provided with serrations.
Claim 7
Dependent Claim
26 words
A fault indicator as in claim 1, including holding rivets and a shield mounted to the rivets and extending partially around the cable adjacent the jaws.
Claim 8
Dependent Claim
18 words
A fault indicator as in claim 1, including a bail pivotally hinged to the case opposite said face.
References Cited (Backward Citations)
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US2360164A
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US2885758A
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US3286963A
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US3485468A
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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) | 1984-02-17 | 1984-08-18 | 1985-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-17 | 1988-08-18 | 1989-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-17 | 1992-08-18 | 1993-02-17 | $7700.00 | Window Closed / Lapsed |