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US4070080A Expired / Lapsed US ⏱️ 0.0 years remaining

Circular connectors

Assignee: CIT Group Credit Finance Inc
•
Filing: 1976-12-27
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Granted: 1978-01-24
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Expires: 1996-12-27
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Abstract

Abstract An electrical connector including a plug member having a body portion including openings for receiving first contact members and an outer shell surrounding and spaced from the body member, a receptacle member having a body portion including openings for receiving second contact members corresponding to and mating with the first contact members and with the receptacle including a shell portion extending from the body portion and with the shell portion of the receptacle received within the space between the outer shell and the body portion of the plug when the plug and receptacle are mated, the outer shell of the plug including at least one internal tab and with the thickness of the outer shell increased in the area of the internal tab, the shell portion of the receptacle including at least one undercut portion on the outer surface and with the undercut portion including a front face extending across the undercut, and the internal tab locking in the undercut portion at the front face when the plug and receptacle are mated.

Inventors

  • 👤 Barden E. Eshleman
  • 👤 George S. Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 12:55
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; H01R13/627; H01R13/6271; H01R13/64

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 192 words
An electrical connector including a plug member having a body portion including openings for receiving first contact members and an outer shell surrounding and spaced from the body member, a receptacle member having a body portion including openings for receiving second contact members corresponding to and mating with the first contact members and with the receptacle including a shell portion extending from the body portion and with the shell portion of the receptacle received within the space between the outer shell and the body portion of the plug when the plug and receptacle are mated, the outer shell of the plug including at least one internal tab and with the thickness of the outer shell increased in the area of the internal tab and including a cutout area behind the internal tab and with all corner portions of the cutout area radiused, the shell portion of the receptacle including at least one undercut portion on the outer surface and with the undercut portion including a front face extending across the undercut, and the internal tab locking in the undercut portion at the front face when the plug and the receptacle are mated.
Claim 2
Dependent Claim 192 words
An electrical connector including a plug member having a body portion including openings for receiving first contact members and an outer shell surrounding and spaced from the body member, a receptacle member having a body portion including openings for receiving second contact members corresponding to and mating with the first contact members and with the receptacle including a shell portion extending from the body portion and with the shell portion of the receptacle received within the space between the outer shell and the body portion of the plug when the plug and receptacle are mated, the outer shell of the plug including at least one internal tab and with the thickness of the outer shell increased in the area of the internal tab and including a cutout area behind the internal tab and with all corner portions of the cutout area radiused, the shell portion of the receptacle including at least one undercut portion on the outer surface and with the undercut portion including a front face extending across the undercut, and the internal tab locking in the undercut portion at the front face when the plug and the receptacle are mated.
Claim 3
Dependent Claim 19 words
The electrical connector of claim 1 wherein the front face of the undercut portion is beveled to facilitate unlocking.
Claim 4
Dependent Claim 29 words
The electrical connector of claim 1 additionally including a second internal tab and corresponding undercut portion located at a position 180° from the first internal tab and undercut portion.
Claim 5
Dependent Claim 52 words
The electrical connector of claim 1 wherein the openings in the plug and receptacle members for receiving the contact members are arranged in a row pattern wherein adjacent rows of openings increase and decrease by one opening and the openings in each row are staggered from the openings in the adjacent rows.
Claim 6
Dependent Claim 132 words
An electrical connector, including, a plug member and a complementary receptacle member each including openings for receiving contact members which mate with each other, the plug and receptacle members each including shell portions and with one shell portion received within the other shell portion, the one shell portion including at least one undercut portion on its outer surface and with the undercut portion having a front face extending across the undercut portion, and the other shell portion including at least one internal tab for mating with the undercut portion to lock the plug and receptacle together and with the wall of the other shell portion thickened in the area of the internal tab and including a cutout area behind the internal tab and with all corner portions of the cutout area radiused.
Claim 7
Dependent Claim 132 words
An electrical connector, including, a plug member and a complementary receptacle member each including openings for receiving contact members which mate with each other, the plug and receptacle members each including shell portions and with one shell portion received within the other shell portion, the one shell portion including at least one undercut portion on its outer surface and with the undercut portion having a front face extending across the undercut portion, and the other shell portion including at least one internal tab for mating with the undercut portion to lock the plug and receptacle together and with the wall of the other shell portion thickened in the area of the internal tab and including a cutout area behind the internal tab and with all corner portions of the cutout area radiused.
Claim 8
Dependent Claim 19 words
The electrical connector of claim 5 wherein the front face of the undercut portion is beveled to facilitate unlocking.
Claim 9
Dependent Claim 29 words
The electrical connector of claim 5 additionally including a second internal tab and corresponding undercut portion located at a position 180° from the first internal tab and undercut portion.
Claim 10
Dependent Claim 52 words
The electrical connector of claim 5 wherein the openings in the plug and receptacle members for receiving the contact members are arranged in a row pattern wherein adjacent rows of openings increase and decrease by one opening and the openings in each row are staggered from the openings in the adjacent rows.

References Cited (Backward Citations)

US3133777A Cited
US3484736A Cited
US3697928A Cited
US3824523A Cited
US3880487A Cited
US3953099A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-01-23 1981-07-25 1982-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-01-23 1985-07-25 1986-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-01-23 1989-07-25 1990-01-24 $7700.00 Window Closed / Lapsed

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