Patent US3873178A successfully refreshed from Google Patents.
US3873178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terminal clamp for electrical conductors
Assignee: Siemens AG
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Filing: 1973-08-29
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Granted: 1975-03-25
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Expires: 1993-08-29
Abstract
Abstract A terminal clamp for electrical conductors has a cylindrical clamping member which can be rotated in a clamping frame to clamp the conductor. The conductor is inserted into a conductor insertion opening disposed beyond the cylindrical surface of the clamping member. The opening extends in the longitudinal direction of the clamping member. The clamping surfaces of the cylindrical clamping member are eccentrically arranged in such a manner that they protrude beyond the cylinder surface of the clamping member and clamp a conductor inserted into the conductor opening against the clamping frame when the clamping member is rotated. The tool which is used to rotate the clamping member is then positioned in a direction parallel to the direction in which the conductor is inserted.
Inventors
- 👤 Anton Galli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:12
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/28; H01R4/50; H01R4/5008; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/394
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
153 words
A terminal clamp for electrical conductors, comprising a cylinder-like clamping member having a cylindrical surface and defining a longitudinal axis; a clamping frame including a U-shaped bent guide part for accommodating said clamping member and defining at least one insertion opening for receiving an electrical conductor therein, said opening extending in the direction of said axis and being beyond said cylindrical surface, said clamping frame being configured so as to have bent-in portions between where said clamping member is disposed and said insertion opening; said clamping member being rotatably mounted in said clamping frame between said bent-in portions and the bight of said Ushaped guide part for clamping the electrical conductor, said clamping member having an eccentric portion protruding eccentrically from the cylindrical surface thereof to define at least one clamping surface, and a pressure plate attached to said guide part so as to close the open end of said U-shaped guide part.
Claim 2
Dependent Claim
153 words
A terminal clamp for electrical conductors, comprising a cylinder-like clamping member having a cylindrical surface and defining a longitudinal axis; a clamping frame including a U-shaped bent guide part for accommodating said clamping member and defining at least one insertion opening for receiving an electrical conductor therein, said opening extending in the direction of said axis and being beyond said cylindrical surface, said clamping frame being configured so as to have bent-in portions between where said clamping member is disposed and said insertion opening; said clamping member being rotatably mounted in said clamping frame between said bent-in portions and the bight of said Ushaped guide part for clamping the electrical conductor, said clamping member having an eccentric portion protruding eccentrically from the cylindrical surface thereof to define at least one clamping surface, and a pressure plate attached to said guide part so as to close the open end of said U-shaped guide part.
Claim 3
Dependent Claim
14 words
The terminal clamp of claim 1, said clamping frame being made of resilient material.
Claim 4
Dependent Claim
18 words
The terminal clamp of claim 1, said clamping frame being configured so as to be bendable into itself.
Claim 5
Dependent Claim
18 words
The terminal clamp of claim 1, said guide part and said pressure plate being hooked into each other.
Claim 6
Dependent Claim
18 words
The terminal clamp of claim 4, said guide part and said pressure plate being peened to each other.
Claim 7
Dependent Claim
16 words
The terminal clamp of claim 1, said pressure plate being arched away from said clamping member.
Claim 8
Dependent Claim
15 words
The terminal clamp of claim 1, said clamping frame and said pressure plate being serrated.
Claim 9
Dependent Claim
11 words
The terminal clamp of claim 1, said guide part being serrated.
Claim 10
Dependent Claim
11 words
The terminal clamp of claim 1, said pressure plate being serrated.
Claim 11
Dependent Claim
23 words
The terminal clamp of claim 1 wherein at least one of said clamping frame and said pressure plate is made of spring steel.
Claim 12
Dependent Claim
29 words
The terminal clamp of claim 1, said eccentric portion of said clamping member defining clamping surfaces which extend about said cylindrical surface at an angle to said longitudinal axis.
Claim 13
Dependent Claim
28 words
The terminal clamp of claim 11, said clamping surfaces defining an obtuse angle and being disposed on said eccentric portion so as to extend about said cylindrical surface.
References Cited (Backward Citations)
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US2125203A
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US2314219A
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US2763847A
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US2816155A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-24 | 1978-09-23 | 1979-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-24 | 1982-09-23 | 1983-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-24 | 1986-09-23 | 1987-03-25 | $7700.00 | Window Closed / Lapsed |