US3786401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact socket
Assignee: Illinois Tool Works Inc
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Filing: 1971-10-15
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Granted: 1974-01-15
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Expires: 1991-10-15
Abstract
Abstract An integral electrical contact socket having a sleeve and a plurality of spring arms folded back within the bore of the sleeve and extending longitudinally thereof which enables the contact socket to aggressively impinge an associated contact pin upon its insertion in the socket. The contact arm may be twisted substantially about its longitudinal axis which will provide firm line contact with an associated pin.
Inventors
- 👤 C Jones
- 👤 O Poupitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:39
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/10; H01R13/11; H01R13/114
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
187 words
A 1one-piece electrical contact socket adapted to receive an associated contact pin through the mouth of the bore of the socket, comprising a sleeve member with contact arms positioned within the sleeve and integrally attached thereto at the mouth of the socket, the contact arms extending generally longitudinally within the sleeve and including preformed spring means forming a portion of said arms and biased radially inwardly of the remaining portions of the associated arms, a longitudinal segment of the remaining portions of the arms bearing against a longitudinal segment of the inner wall of the sleeve from the mouth of the socket extending inwardly when the spring means is in a noncompressed state which allows the spring means to lie flat and bear against the inner wall of the sleeve when said spring means is in a compressed state while maintaining aggressive electrical contact with a pin and maximizing the aperture into which the associated pin is inserted, the portion of the bore including the flat remaining portions of the arms having a cross-sectional area substantially identical to the aperture formed by the mouth of the socket.
Claim 2
Dependent Claim
187 words
A 1one-piece electrical contact socket adapted to receive an associated contact pin through the mouth of the bore of the socket, comprising a sleeve member with contact arms positioned within the sleeve and integrally attached thereto at the mouth of the socket, the contact arms extending generally longitudinally within the sleeve and including preformed spring means forming a portion of said arms and biased radially inwardly of the remaining portions of the associated arms, a longitudinal segment of the remaining portions of the arms bearing against a longitudinal segment of the inner wall of the sleeve from the mouth of the socket extending inwardly when the spring means is in a noncompressed state which allows the spring means to lie flat and bear against the inner wall of the sleeve when said spring means is in a compressed state while maintaining aggressive electrical contact with a pin and maximizing the aperture into which the associated pin is inserted, the portion of the bore including the flat remaining portions of the arms having a cross-sectional area substantially identical to the aperture formed by the mouth of the socket.
Claim 3
Dependent Claim
27 words
An electrical contact socket in accordance with claim 1 which includes a plurality of radially spaced spring arms extending inwardly of the sleeve and integrally joined thereto.
Claim 4
Dependent Claim
57 words
An electrical contact socket in accordance with claim 1 wherein the sleeve portion is polygonal, each side having an integrally connected associated spring arm extending inwardly of the sleeve, each spring arm including substantially identically configured angled portions biased inwardly of the sleeve to provide uniform electrical contact around the mating surfaces of an associated contact pin.
Claim 5
Dependent Claim
16 words
An electrical contact socket in accordance with claim 1 wherein the sleeve portion is generally cylindrical.
Claim 6
Dependent Claim
140 words
An electrical contact socket adapted to receive a contact pin at one end thereof and to be electrically connected to wire at the other end, comprising a contact portion and sleeve portion, the contact portion including at least one spring arm extending inwardly of the sleeve and integrally joined thereto, said spring arm including a portion formed at an angle to the remaining portion of the spring arm, the angled portion extending generally longitudinal of the spring arm and intersecting the plane of the remaining portion of the spring arm at a line which extends from one longitudinal edge of the spring arm to the other, said line extends at a small acute angle to the longitudinal axis of the spring arm thereby providing aggressive line contact over a substantial length of an associated contact pin and the spring arm.
Claim 7
Dependent Claim
140 words
An electrical contact socket adapted to receive a contact pin at one end thereof and to be electrically connected to wire at the other end, comprising a contact portion and sleeve portion, the contact portion including at least one spring arm extending inwardly of the sleeve and integrally joined thereto, said spring arm including a portion formed at an angle to the remaining portion of the spring arm, the angled portion extending generally longitudinal of the spring arm and intersecting the plane of the remaining portion of the spring arm at a line which extends from one longitudinal edge of the spring arm to the other, said line extends at a small acute angle to the longitudinal axis of the spring arm thereby providing aggressive line contact over a substantial length of an associated contact pin and the spring arm.
Claim 8
Dependent Claim
152 words
A one-piece electrical contact socket adapted to receive an associated contact pin, comprising a sleeve member with contact arms positioned within the sleeve and integrally attached thereto, the internal walls of the sleeve member including grooves extending longitudinally of the sleeve and adapted to receive the contact arms to stabilize the arm and guide its movement relative to the sleeve upon compression of the spring means, the contact arms extending generally longitudinally of the sleeve and including preformed spring means biased radially inwardly of the associated arms, a portion of the arms bearing against the inner periphery of the sleeve when the spring means is in a noncompressed state which allows the spring means to lie flat against the inner periphery of the sleeve when said spring means is in a compressed state while maintaining aggressive electrical contact with a pin and maximizing the aperture into which the associated pin is inserted.
Claim 9
Dependent Claim
152 words
A one-piece electrical contact socket adapted to receive an associated contact pin, comprising a sleeve member with contact arms positioned within the sleeve and integrally attached thereto, the internal walls of the sleeve member including grooves extending longitudinally of the sleeve and adapted to receive the contact arms to stabilize the arm and guide its movement relative to the sleeve upon compression of the spring means, the contact arms extending generally longitudinally of the sleeve and including preformed spring means biased radially inwardly of the associated arms, a portion of the arms bearing against the inner periphery of the sleeve when the spring means is in a noncompressed state which allows the spring means to lie flat against the inner periphery of the sleeve when said spring means is in a compressed state while maintaining aggressive electrical contact with a pin and maximizing the aperture into which the associated pin is inserted.
Claim 10
Dependent Claim
34 words
A contact socket in accordance with claim 1 wherein the grooves are radially aligned with an associated contact arm to allow the arms to become substantially flush with an associated side wall when compressed.
Claim 11
Dependent Claim
117 words
A one-piece electrical contact socket adapted to receive an associated contact pin comprising a sleeve member with contact arms positioned within the sleeve and including preFormed spring means which are portions of the contact arms twisted about an axis generally longitudinally of the arms and biased radially inwardly of the associated arms, a portion of the arms bearing against the inner periphery of the sleeve when the spring means is in a noncompressed state which allows the spring means to lie flat against the inner periphery of the sleeve when said spring means is in a compressed state while maintaining aggressive electrical contact with a pin and maximizing the aperture into which the associated pin is inserted.
Claim 12
Dependent Claim
117 words
A one-piece electrical contact socket adapted to receive an associated contact pin comprising a sleeve member with contact arms positioned within the sleeve and including preFormed spring means which are portions of the contact arms twisted about an axis generally longitudinally of the arms and biased radially inwardly of the associated arms, a portion of the arms bearing against the inner periphery of the sleeve when the spring means is in a noncompressed state which allows the spring means to lie flat against the inner periphery of the sleeve when said spring means is in a compressed state while maintaining aggressive electrical contact with a pin and maximizing the aperture into which the associated pin is inserted.
References Cited (Backward Citations)
GB893055A
Cited
US3107966A
Cited
FR1263085A
Cited
US3363224A
Cited
US3381262A
Cited
US3713080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |