Patent US4621887A successfully refreshed from Google Patents.
US4621887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical contact
Assignee: Amphenol Corp
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Filing: 1981-03-09
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Granted: 1986-11-11
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Expires: 2001-03-09
Abstract
Abstract This invention is an electrical contct that includes an inner sleeve (10) that is stamped and formed from a single sheet of metal and is characterized by a plurality of apertures (11) in the sleeve (10) that have an axis of symmetry (11a) or a straight side (13) that is at an acute angle with the central axis (10a) of the sleeve.
Inventors
- 👤 R. Amelia Piscitelli
- 👤 David O. Gallusser
- 👤 David L. Frear
- 👤 Valentine J. Hemmer
- 👤 Charles P. Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:33
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/10; H01R13/11; H01R13/111; H01R4/00; H01R4/10; H01R4/18
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
67 words
A one piece unitary electrical contact stamped and formed from a single sheet of metal, said contact comprising: a sleeve having a central axis, a front mating portion and a rear wire receiving portion having at least four slots in the wall thereof, each slot having a generally triangular configuration including straight side portions that are at an acute angle with the central axis of said sleeve.
Claim 2
Dependent Claim
67 words
A one piece unitary electrical contact stamped and formed from a single sheet of metal, said contact comprising: a sleeve having a central axis, a front mating portion and a rear wire receiving portion having at least four slots in the wall thereof, each slot having a generally triangular configuration including straight side portions that are at an acute angle with the central axis of said sleeve.
Claim 3
Dependent Claim
20 words
The contact as recited in claim 1 wherein said slots are symmetrically arranged around the central axis of said sleeve.
Claim 4
Dependent Claim
22 words
The contact as recited in claim 1 wherein the front mating portion of said sleeve includes four resiliently and radially deflectable fingers.
Claim 5
Dependent Claim
127 words
In combination with an electrical socket type contact assembly of the type having: an inner sleeve stamped and formed from a single sheet of metal, said sleeve having a central axis, a front mating portion, a rear wire receiving portion having a plurality of apertures, and a plurality of axially extending fingers in the front mating portion of the sleeve, said fingers resiliently deflectable in a radial direction; an intermediate sleeve telescopically mounted over said inner sleeve; and an outer sleeve telescopically mounted on the front portion of said intermediate sleeve, said outer sleeve having an enlarged portion that includes a forwardly facing shoulder, the improvement wherein: the apertures have straight side portions that are at an acute angle with the central axis of said inner sleeve.
Claim 6
Dependent Claim
127 words
In combination with an electrical socket type contact assembly of the type having: an inner sleeve stamped and formed from a single sheet of metal, said sleeve having a central axis, a front mating portion, a rear wire receiving portion having a plurality of apertures, and a plurality of axially extending fingers in the front mating portion of the sleeve, said fingers resiliently deflectable in a radial direction; an intermediate sleeve telescopically mounted over said inner sleeve; and an outer sleeve telescopically mounted on the front portion of said intermediate sleeve, said outer sleeve having an enlarged portion that includes a forwardly facing shoulder, the improvement wherein: the apertures have straight side portions that are at an acute angle with the central axis of said inner sleeve.
Claim 7
Dependent Claim
54 words
A one piece unitary electrical contact stamped and formed from a single sheet of metal, said contact comprising: a sleeve having a central axis, a forward mating portion and a rear wire receiving portion having at least four apertures in the wall thereof each of said apertures having a configuration that is generally eliptical.
Claim 8
Dependent Claim
54 words
A one piece unitary electrical contact stamped and formed from a single sheet of metal, said contact comprising: a sleeve having a central axis, a forward mating portion and a rear wire receiving portion having at least four apertures in the wall thereof each of said apertures having a configuration that is generally eliptical.
Claim 9
Dependent Claim
26 words
The contact as recited in claim 5 wherein the longitudinal axis of said elipse is at an acute angle with the central axis of said sleeve.
Claim 10
Dependent Claim
26 words
The contact as recited in claims 5 or 6 wherein the front mating portion of said sleeve includes at least four resiliently and radially deflectable fingers.
Claim 11
Dependent Claim
60 words
A one piece unitary electrical contact stamped and formed from a single sheet of metal, said contact comprising: a sleeve having a central axis, a front mating portion and a rear wire receiving portion having at least four apertures in the wall thereof each of said apertures having a configuration which is generally in the shape of a tear drop.
Claim 12
Dependent Claim
60 words
A one piece unitary electrical contact stamped and formed from a single sheet of metal, said contact comprising: a sleeve having a central axis, a front mating portion and a rear wire receiving portion having at least four apertures in the wall thereof each of said apertures having a configuration which is generally in the shape of a tear drop.
Claim 13
Dependent Claim
22 words
The contact as recited in claim 8 wherein the front mating portion of said contact includes four resiliently and radially deflectable fingers.
References Cited (Backward Citations)
US1833145A
Cited
US1654340A
Cited
US3317887A
Cited
US3538239A
Cited
US3761872A
Cited
US3976385A
Cited
US4072394A
Cited
US4120556A
Cited
US4184736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-11-10 | 1990-05-12 | 1990-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-10 | 1994-05-12 | 1994-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-10 | 1998-05-12 | 1998-11-11 | $7700.00 | Window Closed / Lapsed |