Electrical connectors – Contact comprising cutter – Insulation cutter
Patent
1986-09-23
1987-11-03
McGlyne, Joseph H.
Electrical connectors
Contact comprising cutter
Insulation cutter
H01R 424
Patent
active
047039906
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a connector for joining a multi-conductor flat electric cable to other circuit elements, consisting of two clamp half-shells, which can be flatly fastened against each other, a multiple-component insulation unit for receiving, fastening and guiding of a multitude of contact pieces, arranged in two parallel rows, whereby the insulation unit has an upper surface and a lower surface running parallelly thereto and is inserted between the half-shell parts open at their frontal ends, each contact piece having an upper connection part, extending in a right angle from the upper surface of the insulation unit up to a common distance therefrom, which upper connection parts have uniform first intervals between them, and a lower connection part, which extends at a right angle from the mentioned lower surface up to a common distance therefrom, which connection parts have a second uniform interval between them, which is different from the first uniform interval, whereby the upper and lower connection parts of each contact piece are connected to each other by a deformable flat strip.
Such connectors are known, for instance, from the European Application No. EP-A-38338.
These connectors have widely proven themselves in practice and are preferred over others due to their economy and simplicity in handling in wiring arrangements for the electrical connection of spaced apart construction parts.
In the case of the above-mentioned connectors, it is advantageous to keep their construction width and construction heights relatively small, so that the usual covering hood can be slid over them.
However, it is quite difficult to provide a protective hood for these connectors, when the connected flat cable exits the connector on one or both sides, respectively right or left at its upper area, since in this case the flat cable protrudes over the outer dimensions of the connector.
Furthermore, in the known connector it is disadvantageous that the insulating unit is made of a carrier and a trough-shaped insulating body. In order to mount the contact pieces, it is necessary to keep the carrier free, since the contact pieces have to be inserted on both sides of the carrier. After that, the carrier has to be imbedded in the trough-shaped insulating body and has to be connected arrestingly therewith, which requires additional efforts and the provision of additional fastening clamp. The material and labor expense for this connector is considerable.
Departing from this state of the art, the invention has the object to create a connector of the afore-described kind, which with a lower material consumption, facilitates the assembly, and, moreover, makes possible the angling of the flat cable connected to the connector in such a manner that the flat cable exiting the upper area either on one, or on both sides, can be bent so that it comes to lie within the range of the insulation unit, so that the common protection hoods can be slid over the unit.
In order to solve this problem, the invention proposes that the insulating body consist of two half-shells, whose separation line runs between the two rows of contact pieces, that the bottom of the half-shell forming the lower surface be correspondingly perforated for the passage of the lower connection parts of the contact pieces, that the receiving of the upper connection parts be achieved through adjusted recesses, open towards the separation line and towards the upper surface of the shell part holding the contact piece, as well as through a clamping means of the respective other half-shell, pressing the connection part towards the recess walling, whereby the contact rows are arranged parallelly offset with respect to each other, so that, when the half-shells are brought together, each clamping means of one half-shell opposes the upper connection part of the contact piece of the other half-shell, that the half-shells have massive support areas which are an integral part of the shell, located between the inner end portions of the contact parts of each connection piece and tha
REFERENCES:
patent: 3214723 (1965-10-01), Dupre et al.
patent: 3355699 (1967-11-01), Oshva
patent: 3958853 (1976-05-01), Wilson
Assmann Dieter
Demmler Holger
Assmann Electronics Ltd.
Dubno Herbert
McGlyne Joseph H.
Ross Karl F.
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