EP0120820B1 - A device for coupling to ground an electric cable, particularly for motor vehicles - Google Patents
A device for coupling to ground an electric cable, particularly for motor vehicles Download PDFInfo
- Publication number
- EP0120820B1 EP0120820B1 EP84830085A EP84830085A EP0120820B1 EP 0120820 B1 EP0120820 B1 EP 0120820B1 EP 84830085 A EP84830085 A EP 84830085A EP 84830085 A EP84830085 A EP 84830085A EP 0120820 B1 EP0120820 B1 EP 0120820B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cable
- coupling
- ground
- plate
- electric cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
Definitions
- the plate like element 1 is provided with clamping means for clamping and electrically contacting an electrical cable 3.
Landscapes
- Motor Or Generator Frames (AREA)
- Installation Of Indoor Wiring (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
Abstract
Description
- The present invention relates to a device for coupling to ground an electric cable, particularly for motor vehicles.
- As it is known, in motor vehicles in general and other electric applications therein a c.c. storage battery or accumulator battery is used, a terminal of the battery is coupled to ground by means of a conductor cable which is electrically connected to a given point of the vehicle body or frame.
- In a known approach, in order to perform the mentioned ground coupling, one end of the cable connected to the battery terminal is peeled and then associated with a pin member formed on the vehicle frame, said peeled end being wound about the pin and clamped thereto.
- In that approach it is necessary to use cable locating members, for preventing the cable from displacing and contacting metal parts of the vehicle, with consequent shorts.
- More specifically that approach, though broadly adopted, has several drawbacks, the main whereof is that the ground coupling operations are rather cumbersome, since the coupling of the cable peeled end to the pin, while being a comparatively simple job, requires a lot of time negatively affecting a large scale production, considering the large number of connections to be made.
- Another drawback is that, frequently, the vibrations from the engine may cause the ground connection to disengage, since the cable clamping nut is to be tightened with a set force, the value whereof should be less than the value which would cause the cable to break at the connection region.
- The US-A-2 908,887 reference discloses an electrical coupling device comprising a plate like element made of an electrically conducting material and provided with two prongs and clamping means consisting of three substantially rectangular annually bendable tabs, including a central electrical contact tab and two adjoining side restraining tabs. This device, which is of the insulation piercing type, however, has a small current capability.
- Accordingly, the task of the present invention is to overcome the above mentioned drawbacks, by providing such a high current capability device for coupling to ground an electric cable, particularly for motor vehicles which is so designed as to afford the possibility of performing the ground coupling without winding one end of the cable on a pin, but simply using an already cable coupled element, effective to facilitate the coupling job.
- Within the above task, it is a main object of the present invention to provide such a device for coupling to ground an electric cable which, owing to its specifically designed structure, is able of firmly locating the cable, thereby obviating the need of applying further affixing elements and reducing to a minimum the mounting labour.
- Another object of the present invention is to provide such a device for coupling to ground an electric cable which, owing to its specifically designed structure, is very reliable and safe in operation.
- According to one aspect of the present invention, the above task and objects, as well as yet other objects which will become more apparent thereinafter are achieved by a device for coupling to ground an electric cable, particularly for motor vehicles, having the features of the characterizing portion of the enclosed claim.
- Further characteristics and advantages of the device according to the present invention will become more apparent thereinafter from the following detailed description of a preferred embodiment whereof, with reference to the accompanying drawing, where:
- fig. 1 is a perspective view illustrating the device according to the present invention;
- fig. 2 is an exploded view illustrating the electrical cable or wire as well as the plate-like element provided for application to one end of the cable.
- With reference to the figures of the accompanying drawing, the device for coupling to ground an electric cable, particularly for motor-vehicles, comprises a plate-like element, indicated overally at 1, which is made of an electrically conducting material.
- The plate-like element which, preferably though not exclusively, is of elongated shape, defines at one end whereof, a
throughgoing hole 2, provided for association with a pin or the like member, as conventionally provided on the vehicle frame, for the ground coupling. - At the opposite end of the
hole 2, the plate likeelement 1 is provided with clamping means for clamping and electrically contacting anelectrical cable 3. - More specifically the above mentioned clamping means consist of a
central tab 4 adjoining side tabs orstrips 5, which are formed by punching from the plate likeelement 1 and provided for encompassing the electrical cable. - In order to couple the plate-
like element 1 to thecable 3, the cable sheath is peeled away, at a restricted region 6, near the cable end to be coupled to the ground. - Then, after the punching of the
tabs like element 1, said tabs are caused to encompass thecable 3, and are tightly clamped in such a way that thecentral tab 4 is caused to encompass the peeled region 6 and electrically contact thecable 3. - The
tabs 5, on the other hand, are bent and tightly clamped on the sheath of the cable, thereby accurately and firmly anchoring the plate likeelement 1 to thecable 3. - Thus, the plate-
like element 1 will be firmly coupled to thecable 3, the ground coupling being simply performed by connecting the plate-like element 1 through thehole 2. - Since the plate like
element 1 is made of an electrically conducting material, the electrical coupling occurs on a broad contacting area, thereby remarkably reducing the contact resistance which, in many cases, is susceptible to provide a poor ground coupling. - Moreover the firm coupling obtained by the plate like
element 1 affords the possibility of properly locating thecable 3, which will be surely held in its set position, with the advantage of eliminating any other affixing step. - From the above disclosure it should be apparent that the invention fully achieves the intended task and objects.
- In particular the fact is to be pointed out that the device for coupling to ground an electrical cable according to the invention, which is preferably directly applied to the cable in the making step of the device itself, affords the possibility of greatly reducing the coupling labor, since it will be sufficient to clamp the nut to the pin which is threaded in the
hole 2 of the plate likeelement 1. - Moreover it is possible to tightly clamp the plate like
element 1 which, being made from a metal material having a rather large thickness, will not be damaged during the clamping operation, while providing a very satisfactory electrical coupling, jointly to a firm mechanical coupling. - In practicing the invention, the used materials as well as the specific shapes and size will be any, according to the needs.
Claims (1)
- A device for coupling to ground an electric cable, in particular a ground electric cable for motor vehicles, comprising a plate element made of an electrically conducting material and provided, at one edge thereof, with a hole (2), clamping means (4, 5) being provided at another edge, opposite to said one edge, of said plate element (1) for clamping and electrically contacting said electrical cable (3) where said clamping means consists of three substantially like rectangular annularly bendable tabs including a central electrical contact tab (4) and two adjoining side tabs (5), with said side tabs (5) adapted in use, in their annularly bent condition, to completely encompass and grip said electrical cable (3) and said central tab (4) is arranged in use at the peeled region of said cable characterized in that the said central tab is adapted, in its annularly bent condition, to completely encompass and cover said peeled region.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84830085T ATE46987T1 (en) | 1983-03-24 | 1984-03-23 | DEVICE FOR CONNECTING AN ELECTRICAL CABLE TO EARTH, ESPECIALLY FOR MOTOR VEHICLES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8321270U IT8321270V0 (en) | 1983-03-24 | 1983-03-24 | DEVICE FOR MASS CONNECTION OF AN ELECTRIC CABLE, PARTICULARLY FOR MOTOR VEHICLES. |
IT2127083U | 1983-03-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0120820A2 EP0120820A2 (en) | 1984-10-03 |
EP0120820A3 EP0120820A3 (en) | 1987-08-12 |
EP0120820B1 true EP0120820B1 (en) | 1989-10-04 |
Family
ID=11179313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84830085A Expired EP0120820B1 (en) | 1983-03-24 | 1984-03-23 | A device for coupling to ground an electric cable, particularly for motor vehicles |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0120820B1 (en) |
AT (1) | ATE46987T1 (en) |
DE (1) | DE3480041D1 (en) |
ES (1) | ES278609Y (en) |
IT (1) | IT8321270V0 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19901012C2 (en) * | 1998-01-13 | 2001-02-01 | Yazaki Corp | End piece structure for a shielded cable and method for producing the same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7132602B2 (en) * | 2018-07-30 | 2022-09-07 | 日本圧着端子製造株式会社 | Connection structure between shielded wires and terminal fittings |
JP7229455B2 (en) * | 2018-07-30 | 2023-02-28 | 日本圧着端子製造株式会社 | Connection structure between electric wires and holding metal fittings |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR598494A (en) * | 1925-05-19 | 1925-12-17 | Equip Electr L | End piece or terminal for cables and electrical conductors |
US2814026A (en) * | 1951-01-08 | 1957-11-19 | Amp Inc | Electrical connectors |
US2908887A (en) * | 1951-01-08 | 1959-10-13 | Amp Inc | Electrical connectors |
US3096136A (en) * | 1957-10-31 | 1963-07-02 | Kent Mfg Corp | Wire-gripping part of electric terminal member |
FR1343237A (en) * | 1962-12-21 | 1963-11-15 | Amp Inc | Electrical connections |
GB1200752A (en) * | 1967-06-15 | 1970-08-05 | Ward Goldstone Ltd | Improvements in or relating to electric terminals |
-
1983
- 1983-03-24 IT IT8321270U patent/IT8321270V0/en unknown
-
1984
- 1984-03-23 DE DE8484830085T patent/DE3480041D1/en not_active Expired
- 1984-03-23 EP EP84830085A patent/EP0120820B1/en not_active Expired
- 1984-03-23 AT AT84830085T patent/ATE46987T1/en active
- 1984-03-23 ES ES1984278609U patent/ES278609Y/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19901012C2 (en) * | 1998-01-13 | 2001-02-01 | Yazaki Corp | End piece structure for a shielded cable and method for producing the same |
Also Published As
Publication number | Publication date |
---|---|
ATE46987T1 (en) | 1989-10-15 |
IT8321270V0 (en) | 1983-03-24 |
ES278609U (en) | 1984-11-16 |
EP0120820A2 (en) | 1984-10-03 |
DE3480041D1 (en) | 1989-11-09 |
ES278609Y (en) | 1985-05-16 |
EP0120820A3 (en) | 1987-08-12 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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