Patent US4394637A successfully refreshed from Google Patents.
US4394637A
Expired / Lapsed
US
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Wound bobbin coil apparatus
Assignee: US Philips Corp
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Filing: 1981-07-10
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Granted: 1983-07-19
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Expires: 2001-07-10
Abstract
Abstract A wound bobbin coil apparatus includes a coil form having a generally cylindrical surface having disposed at axial extremeties thereof generally circular side flanges. The coil form includes generally L-shaped cooperating locking member extending respectively from the generally circular side flanges, said locking members include means for locking engagement therebetween and include means for engaging a plurality of associated wires. The L-shaped locking members have at least one face thereof having a plurality of upstanding bosses disposed thereon in spaced relationship to allow entrance of termination wires therebetween.
Inventors
- 👤 Jose O. G. Petroons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:45
CPC Classifications
H; H01; H01F; H01F5/00; H01F5/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
99 words
A wound bobbin coil apparatus which comprises: a coil form having a generally cylindrical surface having disposed at respective axial extremeties thereof first and second generally circular side flanges; said coil form including first and second generally L-shaped cooperating locking members extending respectively from said first and second generally circular side flanges, said locking members including means for locking engagement therebetween and including means for engaging a plurality of associated wires, said L-shaped locking members having at least one face thereof having a plurality of upstanding bosses disposed thereon in spaced relationship to allow entrance of termination wires therebetween.
Claim 2
Dependent Claim
99 words
A wound bobbin coil apparatus which comprises: a coil form having a generally cylindrical surface having disposed at respective axial extremeties thereof first and second generally circular side flanges; said coil form including first and second generally L-shaped cooperating locking members extending respectively from said first and second generally circular side flanges, said locking members including means for locking engagement therebetween and including means for engaging a plurality of associated wires, said L-shaped locking members having at least one face thereof having a plurality of upstanding bosses disposed thereon in spaced relationship to allow entrance of termination wires therebetween.
Claim 3
Dependent Claim
18 words
The apparatus as described in claim 1, wherein: said coil form is manufactured of a synthetic plastic material.
Claim 4
Dependent Claim
36 words
The apparatus as described in claim 2, wherein: said coil form and said locking members allow bending movement therebetween along a line which is generally tangential to the circumferential extent of said generally circular side flanges.
Claim 5
Dependent Claim
46 words
The apparatus as described in claim 3, wherein: said locking means including a plurality of wedge-shaped members on said first locking member and generally wedge-shape surfaces on said second locking member for cooperation with at least some of said wedge-shaped members on said first locking member.
Claim 6
Dependent Claim
19 words
The apparatus as described in claim 4, wherein: said bosses being disposed in a matrix and having wedge-shaped surfaces.
References Cited (Backward Citations)
US3453575A
Cited
US3739312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-07-18 | 1987-01-17 | 1987-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-18 | 1991-01-17 | 1991-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-18 | 1995-01-17 | 1995-07-19 | $7700.00 | Window Closed / Lapsed |