Patent US1354938A successfully refreshed from Google Patents.
Patent US3596229A successfully refreshed from Google Patents.
US3596229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical connector
Assignee: Wago GmbH and Co KG
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Filing: 1969-04-28
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Granted: 1971-07-27
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Expires: 1989-04-28
Abstract
Abstract A screwless connecting terminal for electric leads comprising at least one bent clamping spring defining an aperture at one end, a terminal housing in which said clamping spring is located, and a contact plate associated with said clamping spring, characterized by the feature that said clamping spring engages by said aperture round a reduced part of said contact plate and is kept under tension thereby.
Inventors
- 👤 Wolfgang Hohorst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:12
CPC Classifications
H; H01; H01R; H01R11/00; H01R11/01; H01R4/00; H01R4/28; H01R4/48; H01R4/4809; H01R4/48185; H01R4/4819; H01R4/4821; H01R4/4828; H01R4/483; H01R4/4833; H01R4/484; H01R4/4842; H01R4/4846; H01R4/4848; H01R4/485; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3984
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
209 words
A screwless connecting terminal for electric leads includes a terminal housing, a contact plate positioned within said terminal housing and having a first face and an oppositely disposed second face, a clamping spring positioned within said terminal housing and supported on said contact plate, wherein the improvement comprises said clamping spring extending along said clamping plate and having a first part supported on said contact plate, a second part extending from said first part and disposed in outwardly spaced relationship from the first face of said contact plate, and a third part bent from the second part toward said contact plate and having its end remote from the second part spaced outwardly from the second face of said contact plate, the third part of said clamping spring having an opening therein through which said contact plate extends and the edge of The opening facing the second face of said contact plate being biased into engagement with said contact plate for securing one or more electric leads therebetween, and said second and third parts of said clamping spring being displaceable relative to said contact plate for spacing the contacting edge of the opening therein from the second face of said contact plate for inserting one or more electric leads therebetween.
Claim 2
Dependent Claim
209 words
A screwless connecting terminal for electric leads includes a terminal housing, a contact plate positioned within said terminal housing and having a first face and an oppositely disposed second face, a clamping spring positioned within said terminal housing and supported on said contact plate, wherein the improvement comprises said clamping spring extending along said clamping plate and having a first part supported on said contact plate, a second part extending from said first part and disposed in outwardly spaced relationship from the first face of said contact plate, and a third part bent from the second part toward said contact plate and having its end remote from the second part spaced outwardly from the second face of said contact plate, the third part of said clamping spring having an opening therein through which said contact plate extends and the edge of The opening facing the second face of said contact plate being biased into engagement with said contact plate for securing one or more electric leads therebetween, and said second and third parts of said clamping spring being displaceable relative to said contact plate for spacing the contacting edge of the opening therein from the second face of said contact plate for inserting one or more electric leads therebetween.
Claim 3
Dependent Claim
67 words
A connecting terminal, as set forth in claim 1, wherein the edge surface of the opening in the third part of said clamping spring which is biased into engagement with the second face of said contact plate is located in a plane disposed angularly to the plane of said contact plate when an electric lead is secured therebetween for effecting a wedgelike gripping action on the lead.
Claim 4
Dependent Claim
53 words
A connecting terminal, as set forth in claim 1, wherein a groove is provided in the second face of said contact plate and extends therealong transversely of the third part of said clamping spring for forming a recess for receiving an electric lead to be held between said contact plate and clamping spring.
Claim 5
Dependent Claim
66 words
A connecting terminal, as set forth in claim 1, wherein said clamping spring has a second part and third part extending from each of two opposite sides of said first part and each of said third parts has an opening therethrough through which said contact plate extends for forming points of engagement at the opposite ends of said contact plate for one or more electric leads.
Claim 6
Dependent Claim
47 words
A connecting terminal, as set forth in claim 1, wherein the first part of said clamping spring is fixed to said contact plate by the first face thereof at the end of said contact plate opposite the end which extends through the opening in said clamping spring.
Claim 7
Dependent Claim
74 words
A connecting terminal, as set forth in claim 1, wherein said contact plate has recesses in the sides thereof extending between the first and second faces at a position intermediate its ends, and the first part of said clamping spring secured within the recesses in said contact plate whereby the first part of said clamping spring secured to said contact plate is in engagement with the first and second faces of said contact plate.
Claim 8
Dependent Claim
74 words
A connecting terminal, as set forth in claim 1, wherein a slot is formed in said clamping spring extending through at least the second and third parts thereof for splitting said clamping spring into a pair of similar clamping spring members each having an opening therethrough, and the end of said contact plate having a forked configuration providing individual contact plate sections arranged to pass through the separate openings in said clamping spring members.
Claim 9
Dependent Claim
100 words
A connecting terminal, as set forth in claim 1, wherein said contact plate is elongated and has reduced cross-sectional portions at each end thereof, and the first part of said clamping plate is secured to said contact plate at a position intermediate the ends of said contact plate and said clamping spring has two second parts and third parts each extending from one side of said first part toward the opposite ends of said contact plate, the third parts of said clamping spring each having an opening therethrough arranged to receive the reduced cross section portion of said contact plate.
Claim 10
Dependent Claim
155 words
A connecting terminal, as set forth in claim 1, wherein the edge of the opening in said clamping spring has a point intermediate its ends arranged to contact the second face of said contact plate at least when the electric leads are not disposed between the edge and said contact plate, and the surfaces of said edge extending from the intermediate point to the ends thereof arranged in diverging relationship from the second face of said contact plate so that two separate clamping regions are provided between the edge of the opening and the second face of said contact plate, and means for securing said contact plate to said clamping spring so that said contact plate can be pivoted laterally about an axis extending from its point of support on sAid contact plate through the opening in said clamping spring and also so that the contact plate can be pivoted relative to said clamping spring.
Claim 11
Dependent Claim
98 words
A connecting terminal, as set forth in claim 1, wherein said clamping spring is U-shaped having a bight portion and a pair of legs each extending outwardly from one end of said bight portion, the bight portion of said U-shaped clamping spring forming the first part thereof intermediate its ends and the second part of said clamping spring extending from the intermediate first part to the ends of said bight portion, and each leg of said U-shaped clamping spring forming the third part thereof and having an opening therethrough arranged to receive one end of said contact plate.
Claim 12
Dependent Claim
96 words
A connecting terminal, as set forth in claim 1, wherein at least the portion of said terminal housing disposed opposite the first face of said contact plate and located adjacent to the second part of said clamping spring being formed of a flexible material so that the second part of said clamping spring can be displaced toward the first face of said contact plate whereby the contacting edge surface of the opening in the third part of said clamping spring is displaced away from the second face of said contact plate for inserting electric leads therebetween.
Claim 13
Dependent Claim
54 words
A connecting terminal, as set forth in claim 1, wherein a tongue extends inwardly from the walls of said terminal housing and forms a support for said contact plate intermediate the ends thereof, and the opposite ends of said terminal housing having openings therein into which the opposite ends of said contact plate extend.
Claim 14
Dependent Claim
63 words
A connecting terminal, as set forth in claim 1, wherein the third part of said clamping spring forms an obtuse angle with the portion of the second face of said contact plate which extends through the opening in the third part and the second part of said clamping spring is disposed at an acute angle with the first face of said contact plate.
Claim 15
Dependent Claim
61 words
A connecting terminal, as set forth in claim 13, wherein the cross-sectional area of said contact plate which extends through the opening in said clamping spring has a smaller cross-sectional area than the portion of said contacting plate which extends between the opening and the point at which the first part of said clamping spring is supported on said contact plate.
Claim 16
Dependent Claim
72 words
A connecting terminal, as set forth in claim 1, wherein said contact plate is formed of an elongated metal strip bent over upon itself for at least a portion of its length, and said contact plate formed of said bent over metal strip having a first end for engagement within the opening in said clamping spring and a second end forming a connecting part such as a socket pin and the like.
Claim 17
Dependent Claim
58 words
A connecting terminal, as set forth in claim 15, wherein the bent over portion of said contact plate terminates at a point intermediate the ends thereof, and the first part of said clamping spring is inserted between and is held by the end of said bent over portion and the oppositely disposed intermediate part of said contact plate.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |