US4347493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil assembly
Assignee: Emerson Electric Co
•
Filing: 1978-02-28
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Granted: 1982-08-31
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Expires: 1998-02-28
Abstract
Abstract A coil bobbin includes a spindle, a terminal retaining flange and a second flange extending from opposed ends of the spindle between which a coil of wire is wound. The terminal retaining flange includes two diametrically opposed slots which receive electrical terminals, one of the slots serving as a starting place for the wire.
Inventors
- 👤 Richard E. Adams
- 👤 Richard W. Stafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:26
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/29; H01F5/00; H01F5/04; H02; H02K; H02K3/00; H02K3/46; H02K3/52; H02K3/521; H02K3/525
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
176 words
A coil assembly comprising: (a) a spindle, (b) a terminal retaining flange extending from an end of said spindle and a second flange extending from an opposite end of said spindle, (c) a first slot extending from an outer face of said terminal retaining flange into but not through a thickness of same and to an outer edge thereof, (d) a second slot disposed substantially diametrically opposed from said first slot and extending from said outer face through a thickness of said terminal retaining flange to an inner face and to an outer edge thereof, at least a portion of said second slot extending to at least a near side of said spindle, (e) electrical terminals carried in said first and second slots, and (f) a coil of wire wound about said spindle, a start of said wire connected to a terminal and extending therefrom through said portion of said second slot extending to at least a near side of said spindle, and an end of said wire connected to the other of said electrical terminals
Claim 2
Dependent Claim
176 words
A coil assembly comprising: (a) a spindle, (b) a terminal retaining flange extending from an end of said spindle and a second flange extending from an opposite end of said spindle, (c) a first slot extending from an outer face of said terminal retaining flange into but not through a thickness of same and to an outer edge thereof, (d) a second slot disposed substantially diametrically opposed from said first slot and extending from said outer face through a thickness of said terminal retaining flange to an inner face and to an outer edge thereof, at least a portion of said second slot extending to at least a near side of said spindle, (e) electrical terminals carried in said first and second slots, and (f) a coil of wire wound about said spindle, a start of said wire connected to a terminal and extending therefrom through said portion of said second slot extending to at least a near side of said spindle, and an end of said wire connected to the other of said electrical terminals
Claim 3
Dependent Claim
28 words
A coil assembly according to claim 1 wherein each of said first and second slots includes a third slot, and said electrical terminals include locking buttons engaging same.
Claim 4
Dependent Claim
32 words
A coil assembly according to claim 1 wherein said electrical terminals each include an ear extending outward from said outer edges, said start and end of said wire joined to said ears.
Claim 5
Dependent Claim
26 words
A coil assembly according to claim 1 wherein said terminal retaining flange further includes a platform extending from a circular portion thereof at said outer face.
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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) | 1985-08-30 | 1986-03-01 | 1986-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-30 | 1990-03-01 | 1990-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-30 | 1994-03-01 | 1994-08-31 | $7700.00 | Window Closed / Lapsed |