Patent US4052688A successfully refreshed from Google Patents.
US4052688A
Expired / Lapsed
US
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Fuse clip assembly
Assignee: AT&T Inc
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Filing: 1976-09-27
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Granted: 1977-10-04
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Expires: 1996-09-27
Abstract
Abstract A fuse clip assembly is disclosed for use with alarm type fuses. The assembly includes a forward spring tension clip, a rear spring tension clip and an alarm terminal. The rear clip is shaped to thrust the fuse forward while the forward clip is designed with a shoulder to position the fuse. The alarm terminal is positioned to catch an extended fuse alarm terminal and is shaped to securely capture the terminal to insure positive electrical contact for alarm purposes. An arrangement is disclosed which provides visual-only alarm indications.
Inventors
- 👤 Ernest Gerard DeNigris
- 👤 Albert John Tutko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:20
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/20; H01H85/202; H01H85/30; H01H85/303; H01H85/306
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
145 words
A fuse clip mounting board assembly for use with tubular alarm type fuses, said mounting board assembly having a load spring clip terminal, a line spring clip terminal, and an alarm terminal, said load spring clip terminal including means for applying spring tension to a rear terminal of an inserted fuse, said spring tension being applied both perpendicularly to the body of said fuse and longitudinally along the axis of said fuse body, said line spring clip terminal including means for applying spring tension to a front terminal of an inserted fuse, said spring tension being applied perpendicularly to the body of said fuse, said line spring clip terminal also including means for restricting the movement of said inserted fuse forward along said longitudinal axis, and said alarm terminal including means for retaining an alarm contact extended axially from a front end of said fuse.
Claim 2
Dependent Claim
145 words
A fuse clip mounting board assembly for use with tubular alarm type fuses, said mounting board assembly having a load spring clip terminal, a line spring clip terminal, and an alarm terminal, said load spring clip terminal including means for applying spring tension to a rear terminal of an inserted fuse, said spring tension being applied both perpendicularly to the body of said fuse and longitudinally along the axis of said fuse body, said line spring clip terminal including means for applying spring tension to a front terminal of an inserted fuse, said spring tension being applied perpendicularly to the body of said fuse, said line spring clip terminal also including means for restricting the movement of said inserted fuse forward along said longitudinal axis, and said alarm terminal including means for retaining an alarm contact extended axially from a front end of said fuse.
Claim 3
Dependent Claim
29 words
The invention set forth in claim 1 wherein said alarm terminal retaining means includes a slot for capturing a visual indicator carried in front of said fuse alarm contact.
Claim 4
Dependent Claim
33 words
The invention set forth in claim 3 wherein said alarm terminal retaining means further includes forming the areas around said slot in a concave manner with respect to a captured fuse alarm contact.
Claim 5
Dependent Claim
27 words
The invention set forth in claim 3 wherein said load spring clip terminal, said line spring clip terminal and said alarm terminal are each of unitary construction.
Claim 6
Dependent Claim
28 words
The invention set forth in claim 4 wherein said load spring clip terminal, said line spring clip terminal and said alarm terminal each include a wire wrap leg.
Claim 7
Dependent Claim
27 words
The invention set forth in claim 5 wherein each said wire wrap leg further includes a locking tab for retaining the associated terminal against a mounting board.
Claim 8
Dependent Claim
146 words
A fuse clip assembly comprising a mounting board having holes therein, first and second terminals, each having a wire wrap leg portion and a tubular fuse terminal clip portion for mating with tubular alarm type fuses, said mounting board having an edge thereof formed perpendicular to the plane of said board, said edge having shaped therein a slot, means, including the mating of said mounting board holes and locking tabs constructed on said wire wrap legs of said first and said second terminals, for securing said first and said second terminals in a line with said slot in a manner such that when a tubular alarm fuse is inserted in said first and said second terminals the visual alarm indicator located on the longitudinal axis of said fuse protrudes through said mounting board slot only when said visual alarm indicator is extended to the alarm position.
Claim 9
Dependent Claim
146 words
A fuse clip assembly comprising a mounting board having holes therein, first and second terminals, each having a wire wrap leg portion and a tubular fuse terminal clip portion for mating with tubular alarm type fuses, said mounting board having an edge thereof formed perpendicular to the plane of said board, said edge having shaped therein a slot, means, including the mating of said mounting board holes and locking tabs constructed on said wire wrap legs of said first and said second terminals, for securing said first and said second terminals in a line with said slot in a manner such that when a tubular alarm fuse is inserted in said first and said second terminals the visual alarm indicator located on the longitudinal axis of said fuse protrudes through said mounting board slot only when said visual alarm indicator is extended to the alarm position.
Claim 10
Dependent Claim
25 words
The invention set forth in claim 7 wherein said first and said second terminals include indents for restraining the longitudinal movement of an inserted fuse.
Claim 11
Dependent Claim
139 words
A fuse clip assembly comprising a mounting board having holes therein, first and second terminals, each having a wire wrap leg portion and a tubular fuse terminal clip portion for mating with tubular alarm type fuses, said terminals each being of unitary construction, an alarm terminal having a wire leg portion and a fuse alarm contact capture portion, p1 means, including the mating of said mounting board holes and locking tabs constructed on said wire wrap legs of said first, second and alarm terminals, for securing said first, second and alarm terminals in a line such that when a tubular alarm fuse is inserted in said first and said second terminals the fuse alarm contact located on the longitudinal axis of said fuse contacts said alarm terminal only when said fuse alarm contact is extended to the alarm position.
Claim 12
Dependent Claim
139 words
A fuse clip assembly comprising a mounting board having holes therein, first and second terminals, each having a wire wrap leg portion and a tubular fuse terminal clip portion for mating with tubular alarm type fuses, said terminals each being of unitary construction, an alarm terminal having a wire leg portion and a fuse alarm contact capture portion, p1 means, including the mating of said mounting board holes and locking tabs constructed on said wire wrap legs of said first, second and alarm terminals, for securing said first, second and alarm terminals in a line such that when a tubular alarm fuse is inserted in said first and said second terminals the fuse alarm contact located on the longitudinal axis of said fuse contacts said alarm terminal only when said fuse alarm contact is extended to the alarm position.
Claim 13
Dependent Claim
59 words
The invention set forth in claim 9 wherein said first terminal is positioned closer to said alarm terminal than is said second terminal, said first terminal including an indent for restraining the movement of an inserted fuse longitudinally toward said alarm terminal, and said second terminal including a spring for urging an inserted fuse longitudinally toward said first terminal.
Claim 14
Dependent Claim
54 words
The invention set forth in claim 10 wherein said alarm terminal has a slot therein for receiving the visual alarm indicator located on the leading edge of said fuse alarm contact and wherein said fuse alarm contact capture portion of said alarm terminal is constructed with a concave shape relative to an inserted fuse.
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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) | 1980-10-03 | 1981-04-04 | 1981-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-03 | 1985-04-04 | 1985-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-03 | 1989-04-04 | 1989-10-04 | $7700.00 | Window Closed / Lapsed |