US3970352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical connector having improved contact retention system
Assignee: Bunker Ramo Corp
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Filing: 1974-12-09
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Granted: 1976-07-20
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Expires: 1994-12-09
Abstract
Abstract An electrical connector including a plurality of conductive contacts with each contact having an enlarged shoulder between a body portion and a terminal portion in combination with a contact supporting and isolation means including a pair of dielectric body members, positioned on opposite sides of the contact shoulders with risers extending from the body members into contact positioning relationship with the contact shoulders, and a single isolation disc confined between the dielectric members with a plurality of holes therethrough closely surrounding the risers to provide an effective seal around and between the individual contacts.
Inventors
- 👤 Robert Francis Dorrell
- 👤 Joseph Janatka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:43
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/40; H01R13/42; H01R13/424; Y; Y10; Y10S; Y10S439/00; Y10S439/933; Y10S439/936
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
227 words
In an electrical connector, in combination, a plurality of parallel conductive contacts, each having a terminal portion, a body portion and an enlarged shoulder between said body portion and said terminal portion; in combination with contact-supporting and isolation means consisting of one dielectric body member comprising a transverse wall of insulation material having a plurality of parallel contact-receiving cavities closely surrounding the body portions of said contacts with risers around each contact extending from the aforesaid dielectric body toward and in a contact positioning relationship with the aforesaid contact shoulder; a second dielectric body member comprising a transverse wall of insulating material having a plurality of parallel contact-receiving cavities surrounding the terminal portions of the individual contacts with risers extending from the said second dielectric body toward and in a contact positioning relationship with the aforesaid contact shoulder; together with a single isolation disc confined between said dielectric body members, each of said risers having an outer periphery, said isolation disc having a plurality of holes therethrough closely surrounding the risers and being disposed in a sealing relationship with at least a portion of the outer periphery of each riser, said isolation disc being imperforate between said holes to provide an effective seal around and between the individual contacts; the risers of at least one of the dielectric body members extending into engagement with said contact shoulders.
Claim 2
Dependent Claim
227 words
In an electrical connector, in combination, a plurality of parallel conductive contacts, each having a terminal portion, a body portion and an enlarged shoulder between said body portion and said terminal portion; in combination with contact-supporting and isolation means consisting of one dielectric body member comprising a transverse wall of insulation material having a plurality of parallel contact-receiving cavities closely surrounding the body portions of said contacts with risers around each contact extending from the aforesaid dielectric body toward and in a contact positioning relationship with the aforesaid contact shoulder; a second dielectric body member comprising a transverse wall of insulating material having a plurality of parallel contact-receiving cavities surrounding the terminal portions of the individual contacts with risers extending from the said second dielectric body toward and in a contact positioning relationship with the aforesaid contact shoulder; together with a single isolation disc confined between said dielectric body members, each of said risers having an outer periphery, said isolation disc having a plurality of holes therethrough closely surrounding the risers and being disposed in a sealing relationship with at least a portion of the outer periphery of each riser, said isolation disc being imperforate between said holes to provide an effective seal around and between the individual contacts; the risers of at least one of the dielectric body members extending into engagement with said contact shoulders.
Claim 3
Dependent Claim
17 words
The combination in claim 1 wherein said disc is radially spaced slightly apart from said contact shoulder.
Claim 4
Dependent Claim
186 words
In an electrical connector, in combination, a plurality of parallel conductive contacts, each having a terminal portion, a body portion and an enlarged shoulder between said body portion and said terminal portion, in combination with contact-supporting and isolation means consisting of one dielectric body member comprising a transverse wall of insulation material having a plurality of parallel contact-receiving cavities closely surrounding the body portions of said contacts with risers around each contact extending from the aforesaid dielectric body into engagement with the aforesaid contact shoulder; a second dielectric body member comprising a transverse wall of insulating material having a plurality of parallel contact-receiving cavities surrounding the terminal portions of the individual contacts with risers extending from said second dielectric body and into engagement with said contact shoulder; together with a single isolation disc confined between said dielectric body members; said disc having a plurality of holes therethrough closely surrounding the shoulders of the contacts and the risers extending thereto; said isolation disc being disposed in sealing relationship with said risers and imperforate between said holes to provide an effective seal around and between the individual contacts.
Claim 5
Dependent Claim
186 words
In an electrical connector, in combination, a plurality of parallel conductive contacts, each having a terminal portion, a body portion and an enlarged shoulder between said body portion and said terminal portion, in combination with contact-supporting and isolation means consisting of one dielectric body member comprising a transverse wall of insulation material having a plurality of parallel contact-receiving cavities closely surrounding the body portions of said contacts with risers around each contact extending from the aforesaid dielectric body into engagement with the aforesaid contact shoulder; a second dielectric body member comprising a transverse wall of insulating material having a plurality of parallel contact-receiving cavities surrounding the terminal portions of the individual contacts with risers extending from said second dielectric body and into engagement with said contact shoulder; together with a single isolation disc confined between said dielectric body members; said disc having a plurality of holes therethrough closely surrounding the shoulders of the contacts and the risers extending thereto; said isolation disc being disposed in sealing relationship with said risers and imperforate between said holes to provide an effective seal around and between the individual contacts.
Claim 6
Dependent Claim
37 words
The combination of claim 3 wherein the contact shoulders are of annular form and the risers are integral with their respective body members and of circular form, tapering inwardly from the walls thereof to the contact shoulders.
Claim 7
Dependent Claim
73 words
The combination of claim 4 wherein the risers extending from one of the dielectric members comprise a plurality of yieldable plastic tines adapted to expand against the isolation disc to permit insertion or removal of an individual contact therethrough, and wherein the contact-receiving cavities in said dielectric body are of a diameter at least as great as the maximum diameter of the individual contact shoulders to permit insertion and removal of said contacts.
Claim 8
Dependent Claim
41 words
The combination of claim 5 wherein the contact isolation disc is held in compression between generally flat walls of the body members and bonded to the surfaces of said members, to eliminate transverse electrical creepage paths through the contact retention assembly.
References Cited (Backward Citations)
US3165369A
Cited
US3477061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-20 | 1980-01-19 | 1980-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-20 | 1984-01-19 | 1984-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-20 | 1988-01-19 | 1988-07-20 | $7700.00 | Window Closed / Lapsed |