Patent US3748538A successfully refreshed from Google Patents.
US3748538A
Expired / Lapsed
US
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Encapsulated high voltage power supply with disconnectable high voltage output lead and method of making same
Assignee: Motorola Solutions Inc
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Filing: 1972-03-30
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Granted: 1973-07-24
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Expires: 1992-03-30
Abstract
Abstract A self-contained, high-voltage power supply unit, and method of manufacture therefor, is set forth and described, which power supply unit is characterized by a disconnectable high-voltage output lead. The supply unit includes a high-voltage receptacle into which a tapered plug is inserted and maintained during encapsulation. The plug is removed thereafter and a cable serving as the high-voltage output lead may be inserted into electrical and mechanical engagement with the high-voltage receptacle member. The high-voltage output lead is maintained in its set position by a tapered split-ring ferrule providing a relatively close fit to the outside diameter of the high-voltage lead and which is force fitted into the channelway in the encapuslated material as formed by the tapered plug.
Inventors
- 👤 H Shekerjian
- 👤 G Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:23
CPC Classifications
H; H05; H05K; H05K5/00; H05K5/06; H05K5/064; H05K3/00; H05K3/22; H05K3/28; H05K3/284; H05K3/10; H05K3/20; H05K3/202
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
137 words
An encapsulated high-voltage power voltage power supply unit with disconnectable high-voltage output terminal, comprising in combination: a housing; a plurality of interconnected electrical components; mounting means for mounting said electrical components within said housing, said mounting means comprises a plurality of metal tabs in a common plane, through apertures therein; terminal means on said mounting means for forming a high-voltage output connection point, said terminal means includes a spear-shaped projection extending upwardly from one of said metal tabs into a cylindrically shaped receptacle member; encapsulating means for encapsulating said electrical components within said housing and having a channel or access to said high-voltage output terminal means; a lead for serving as the high-voltage output of the power supply; and connecting means for detachably connecting said high-voltage output lead to said high-voltage terminal means through said access channel.
Claim 2
Dependent Claim
137 words
An encapsulated high-voltage power voltage power supply unit with disconnectable high-voltage output terminal, comprising in combination: a housing; a plurality of interconnected electrical components; mounting means for mounting said electrical components within said housing, said mounting means comprises a plurality of metal tabs in a common plane, through apertures therein; terminal means on said mounting means for forming a high-voltage output connection point, said terminal means includes a spear-shaped projection extending upwardly from one of said metal tabs into a cylindrically shaped receptacle member; encapsulating means for encapsulating said electrical components within said housing and having a channel or access to said high-voltage output terminal means; a lead for serving as the high-voltage output of the power supply; and connecting means for detachably connecting said high-voltage output lead to said high-voltage terminal means through said access channel.
Claim 3
Dependent Claim
77 words
An encapsulated high-voltage power supply unit in accordance with claim 1, wherein said connecting means include a tapered split-ring ferrule member of substantially the same dimensions as said access channel, positioned within said access channel, and having an inside diameter of a size to effect a friction to fit to a substantial portion of the outside diameter of said high-voltage output lead extending therethrough, said ferrule member providing a tapered lock upon insertion in said access channel.
Claim 4
Dependent Claim
26 words
An encapsulated high-voltage power supply unit in accordance with claim 2 wherein said tapered split-ring ferrule member is formed of a flame retardant thermo plastic material.
Claim 5
Dependent Claim
41 words
An encapsulated high-voltage power supply unit in accordance with claim 2 wherein said tapered split-ring ferrule member further includes an inside diameter opening at the end remote from said terminal means larger than the outside diameter of said high-voltage output lead.
Claim 6
Independent Claim
195 words
The method of making an encapsulated high-voltage power supply unit having a disconnectable high-voltage output lead, comprising the steps of: providing a lead frame having a plurality of metal tabs extending inwardly of a support member in a common plane, at least one of which serves as a high-voltage connection point and includes a spear-shaped projection extending normal to said common plane; mounting electrical components on said metal tabs and affixing an open ended receptacle around said spear-shaped projection on said one metal tab; mechanically removing said support member and placing said assembled component parts in an associated housing; inserting a tapered plug formed of a high temperature, self-lubricated material in said high-voltage receptacle and encapsulating the interior of said housing; placing a tapered split-ring ferrule over one end of a lead to be utilized as the high-voltage output of the power supply unit; removing said tapered plug and replacing the same with said tapered split-ring ferrule through which said high-voltage output lead extends; and pressing down firmly on said split-ring ferrule to provide a taper lock within said housing and to force said high-voltage output lead dowN upon said projection in said high-voltage receptacle.
Claim 7
Independent Claim
195 words
The method of making an encapsulated high-voltage power supply unit having a disconnectable high-voltage output lead, comprising the steps of: providing a lead frame having a plurality of metal tabs extending inwardly of a support member in a common plane, at least one of which serves as a high-voltage connection point and includes a spear-shaped projection extending normal to said common plane; mounting electrical components on said metal tabs and affixing an open ended receptacle around said spear-shaped projection on said one metal tab; mechanically removing said support member and placing said assembled component parts in an associated housing; inserting a tapered plug formed of a high temperature, self-lubricated material in said high-voltage receptacle and encapsulating the interior of said housing; placing a tapered split-ring ferrule over one end of a lead to be utilized as the high-voltage output of the power supply unit; removing said tapered plug and replacing the same with said tapered split-ring ferrule through which said high-voltage output lead extends; and pressing down firmly on said split-ring ferrule to provide a taper lock within said housing and to force said high-voltage output lead dowN upon said projection in said high-voltage receptacle.
Claim 8
Dependent Claim
41 words
The method as defined in claim 5 wherein the step of mounting said electrical components on said metal tabs and affixing the open ended receptacle about said projection on said one metal tab includes the step of soldering the component parts.
Claim 9
Dependent Claim
21 words
The method as defined in claim 5 wherein the tapered split-ring ferrule is formed of a flame retardant, thermo plastic material.
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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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |