US4468535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap-on liquid tight connector for flexible metal conduit
Assignee: ABB Installation Products International LLC
•
Filing: 1981-12-29
•
Granted: 1984-08-28
•
Expires: 2001-12-29
Abstract
Abstract A snap-on liquid-tight connector for mechanically and electrically connecting a flexible metallic conduit to an electrical enclosure. The connector is screw-threaded at the conduit receiving end for electrical contact thereto and for secure, liquid-tight engagement. The opposite end of the connector is snapped into the knock-out of an electrical enclosure. The insertion end of the connector provides both electrical and mechanical connection between the connector and the electrical enclosure.
Inventors
- 👤 Joseph P. Law
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:50
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0616
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
134 words
A connector for coupling a flexible metallic conduit to an electrical enclosure having an opening comprising: an elongate housing having a passage therethrough for receiving said conduit, said housing having a wall of inwardly decreasing internal dimension for engaging one end of said conduit therealong in liquid tight relation; an elongate grounding ferrule supported in said housing and having a first helical end for engaging the interior of said conduit and progressively drawing said conduit one end into said liquid-tight relation with said housing, said grounding ferrule including a plurality of integrally formed resilient grounding tabs adjacent the end of said ferrule opposite said helical end, for electrically engaging said electrical enclosure adjacent said opening; and means inclusive of said grounding tabs for resiliently securing said connector in said opening of said electrical enclosure.
Claim 2
Dependent Claim
134 words
A connector for coupling a flexible metallic conduit to an electrical enclosure having an opening comprising: an elongate housing having a passage therethrough for receiving said conduit, said housing having a wall of inwardly decreasing internal dimension for engaging one end of said conduit therealong in liquid tight relation; an elongate grounding ferrule supported in said housing and having a first helical end for engaging the interior of said conduit and progressively drawing said conduit one end into said liquid-tight relation with said housing, said grounding ferrule including a plurality of integrally formed resilient grounding tabs adjacent the end of said ferrule opposite said helical end, for electrically engaging said electrical enclosure adjacent said opening; and means inclusive of said grounding tabs for resiliently securing said connector in said opening of said electrical enclosure.
Claim 3
Dependent Claim
27 words
The connector in accordance with claim 1 wherein said resiliently securing means includes a resilient member, outwardly extending from said connector for securely engaging said electrical enclosure.
Claim 4
Dependent Claim
32 words
The connector in accordance with claim 1 wherein said resilient member includes a locking tab having a land portion thereon for engaging a wall surface of said electrical enclosure adjacent said opening.
Claim 5
Dependent Claim
35 words
The connector in accordance with claim 1 wherein said resilient member includes a plurality of spaced-apart locking tabs, each having land portions thereon for engaging the wall surface of said electrical enclosure adjacent said opening.
Claim 6
Dependent Claim
36 words
The connector in accordance with claim 1 wherein said grounding member includes a plurality of resilient spaced-apart clips, said clips including flanged portions thereon for engaging a wall surface of said electrical enclosure adjacent said opening.
Claim 7
Dependent Claim
23 words
The connector in accordance with claim 1 wherein said wall of said housing includes an inwardly extending rib for securely engaging said conduit.
References Cited (Backward Citations)
US2744769A
Cited
US3183297A
Cited
US3193613A
Cited
US3260790A
Cited
US3349946A
Cited
US3603912A
Cited
US3647934A
Cited
US3791680A
Cited
US3858151A
Cited
US4021604A
Cited
US4000918A
Cited
US4198537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-08-28 | 1988-02-27 | 1988-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-28 | 1992-02-27 | 1992-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-28 | 1996-02-27 | 1996-08-28 | $7700.00 | Window Closed / Lapsed |