US4588973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil bobbin having novel means for terminating fine wires
Assignee: Emerson Electric Co
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Filing: 1985-11-01
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Granted: 1986-05-13
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Expires: 2005-11-01
Abstract
Abstract A slit is provided in a flange of a coil bobbin and is adapted to receive electrical terminals after ends of a wire have been wound on the terminals.
Inventors
- 👤 Neil E. Grah
- 👤 Albert C. Bannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:40
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/29
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
135 words
A coil bobbin, comprising a cylinder having an outer surface upon which wire may be wound; oppositely disposed flanges extending outwardly from opposed ends of said cylinder providing an annulus for receiving said wire; a housing carried on one of said flanges; a slit disposed within said one flange extending along a perimeter thereof beneath and at least to opposed sides of said housing; a pair of apertures in a base of said housing extending through said one flange to said slit; a pair of exits from said slit to said annulus, one at an end of said slit, the other beneath said housing in line with said pair of apertures; and a partition extending within and across a width of said slit between said pair of apertures and into said exit beneath said housing.
Claim 2
Dependent Claim
135 words
A coil bobbin, comprising a cylinder having an outer surface upon which wire may be wound; oppositely disposed flanges extending outwardly from opposed ends of said cylinder providing an annulus for receiving said wire; a housing carried on one of said flanges; a slit disposed within said one flange extending along a perimeter thereof beneath and at least to opposed sides of said housing; a pair of apertures in a base of said housing extending through said one flange to said slit; a pair of exits from said slit to said annulus, one at an end of said slit, the other beneath said housing in line with said pair of apertures; and a partition extending within and across a width of said slit between said pair of apertures and into said exit beneath said housing.
Claim 3
Dependent Claim
25 words
A coil bobbin according to claim 1 wherein said pair of apertures is of sufficient size to permit bending of said wire into said slit.
Claim 4
Dependent Claim
18 words
A coil bobbin according to claim 1 wherein said housing is compartmentalized corresponding to said pair of apertures.
References Cited (Backward Citations)
US3265999A
Cited
DE1272454B
Cited
GB1243690A
Cited
US3566322A
Cited
US4347493A
Cited
US4334208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-05-12 | 1989-11-11 | 1990-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-12 | 1993-11-11 | 1994-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-12 | 1997-11-11 | 1998-05-13 | $7700.00 | Window Closed / Lapsed |