US3668604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip-type dip receptacle
Assignee: Elco Corp
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Filing: 1970-10-21
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Granted: 1972-06-06
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Expires: 1990-10-21
Abstract
Abstract A strip-type DIP (Dual In-line Package) receptacle for use in pairs for removably retaining integrated circuits (IC''s) or other components of the DIP type to a printed circuit board or other substrate and for providing contact tails which are electrically connected to the leads of the IC and which extend from the underside of the substrate so that interconnections between leads of IC''s can be effected economically or automatically. The receptacle comprises a strip-shaped main insulator, a plurality of contacts, and a strip-shaped side insulator which preferably is welded ultrasonically to the main insulator after the nose portions of the contact are positioned in cavities of the main insulator. Each contact comprises straight, aligned body and tail portions and a thinner, C-shaped nose portion having a mating surface which is offset from the axis of the body and tail portions. Because of said offset feature, adjacent strips may be mounted in alternate orientations (preferably by a force fit into plated-through holes in a PC board), thereby to provide uniformly-spaced contact tails under IC''s mounted with nonuniform lead spacing.
Inventors
- 👤 Donald W Rossman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:49
CPC Classifications
H; H01; H01R; H01R12/00; H01R12/50; H01R12/51; H01R12/55; H01R12/58; H05; H05K; H05K7/00; H05K7/02; H05K7/10; H05K7/1015
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
511 words
A receptacle for removably receiving a component having at least one extending lead, comprising an insulating housing and a contact mounted therein, said contact comprising an elongated member having a body portion for retention within said housing, a tail portion to which an external connection can be made, and a nose portion comprising a mating surface for engagement with said extending lead, said body portion interconnecting said tail and nose portions, characterized in that said body and tail portions are rectangular, straight, integrally formed, and define an axis, said body portion having a larger cross-sectional dimension than said tail portion and connected to said tail portion by a tapering portion, thereby to facilitate insertion of said body portion into an aperture designed to provide a force-fit with said body portion, said nose portion comprising a flat, elongated member integral with said body and tail portions, having a smaller crosssectional area than said body and tail portions, and bent to have a generally C-shaped configuration, the part of said nose portion adjacent said body portion forming an angle with the axis of said body and tail portions, the part of said nose portion adjacent the free end thereof comprising an outwardlycurved mating surface which is spaced from the axis of said body and tail portions, thereby to enable sAid contact tail to be offset from said extending lead of said component in a plurality of directions to provide interconnection flexibility, said nose portion being connected to said body portion by a tapering transitional portion having a rectangular cross section, the surface of said transitional portion on the interior of said angle tapering along an inward curve toward the surface on the opposite side of said transitional portion, whereby said nose section will be able to be springably displaced by pressure upon said mating surface, said insulating housing comprising a body of insulating material having top and bottom surfaces, each having an opening, and having a cavity connected to each of said openings, said contact being mounted in said housing so as to comprise a connector, the body portion of said contact extending through said bottom opening and said nose portion positioned in said cavity, said mating surface of said nose portion being positioned adjacent a vertical wall of said housing which is in communication with said top opening, whereby insertion of a component lead into said top opening will force said mating surface away from said vertical wall and compress said C-shaped configuration of said nose section, said cavity of said housing communicating with said bottom opening of said housing via a channel, the floor of said cavity containing an opening smaller than said bottom opening and comprising a rib segment shaped to mate with said inward curve of said transitional portion of said contact, thereby to retain said body portion of said contact rigidly in said housing, said body portion of said contact containing a pair of upwardlyfacing shoulders positioned to fit adjacent a bottom surface of said housing to prevent upward movement of said contact with respect to said housing.
Claim 2
Dependent Claim
511 words
A receptacle for removably receiving a component having at least one extending lead, comprising an insulating housing and a contact mounted therein, said contact comprising an elongated member having a body portion for retention within said housing, a tail portion to which an external connection can be made, and a nose portion comprising a mating surface for engagement with said extending lead, said body portion interconnecting said tail and nose portions, characterized in that said body and tail portions are rectangular, straight, integrally formed, and define an axis, said body portion having a larger cross-sectional dimension than said tail portion and connected to said tail portion by a tapering portion, thereby to facilitate insertion of said body portion into an aperture designed to provide a force-fit with said body portion, said nose portion comprising a flat, elongated member integral with said body and tail portions, having a smaller crosssectional area than said body and tail portions, and bent to have a generally C-shaped configuration, the part of said nose portion adjacent said body portion forming an angle with the axis of said body and tail portions, the part of said nose portion adjacent the free end thereof comprising an outwardlycurved mating surface which is spaced from the axis of said body and tail portions, thereby to enable sAid contact tail to be offset from said extending lead of said component in a plurality of directions to provide interconnection flexibility, said nose portion being connected to said body portion by a tapering transitional portion having a rectangular cross section, the surface of said transitional portion on the interior of said angle tapering along an inward curve toward the surface on the opposite side of said transitional portion, whereby said nose section will be able to be springably displaced by pressure upon said mating surface, said insulating housing comprising a body of insulating material having top and bottom surfaces, each having an opening, and having a cavity connected to each of said openings, said contact being mounted in said housing so as to comprise a connector, the body portion of said contact extending through said bottom opening and said nose portion positioned in said cavity, said mating surface of said nose portion being positioned adjacent a vertical wall of said housing which is in communication with said top opening, whereby insertion of a component lead into said top opening will force said mating surface away from said vertical wall and compress said C-shaped configuration of said nose section, said cavity of said housing communicating with said bottom opening of said housing via a channel, the floor of said cavity containing an opening smaller than said bottom opening and comprising a rib segment shaped to mate with said inward curve of said transitional portion of said contact, thereby to retain said body portion of said contact rigidly in said housing, said body portion of said contact containing a pair of upwardlyfacing shoulders positioned to fit adjacent a bottom surface of said housing to prevent upward movement of said contact with respect to said housing.
Claim 3
Dependent Claim
122 words
The invention of claim 1 further including a second connector similar to said first-recited connector, said second connector comprising an insulating housing similar to said first-recited insulating housing, said second insulating housing containing a contact similar to said first-recited contact, said first and second connectors being attached to a substrate having a plurality of holes therein, the body portions of said contacts being force-fit to said holes, the lower surfaces of said insulating housings being mounted adjacent a surface of said substrate, and including a component having a plurality of leads extending in a common direction mounted in said connectors such that each of said leads is inserted into the opening in the upper surface of a respective one of said connectors.
Claim 4
Dependent Claim
39 words
The invention of claim 2 wherein said connectors are mounted on said substrate such that said mating surfaces of said contacts face each other, whereby said tail portions of said contacts will be more widely spaced than said leads.
Claim 5
Dependent Claim
41 words
The invention of claim 2 wherein said connectors are mounted on said substrate such that said mating surfaces of said contacts face away from each other, whereby said tail portions of said contacts will be less widely spaced than said leads.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |