Electrical connectors – With circuit component or comprising connector which fully... – Termination circuit
Reexamination Certificate
2001-07-09
2003-12-23
Abrams, Neil (Department: 2839)
Electrical connectors
With circuit component or comprising connector which fully...
Termination circuit
C102S202900, C439S680000, C439S862000
Reexamination Certificate
active
06666721
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an ignition mechanism for a restraining device in a motor vehicle, which includes at least one ignition element and circuit elements positioned on support means, preferably for the supplying power for the triggering and/or diagnosis of the ignition element, contact pins connected to the ignition element making the electrical connection to the circuit elements.
1. Background Information
Such an ignition device is described in German Patent No. 196 10 799. This ignition mechanism is conceived so as to have the smallest possible outer dimensions, compared to ignition mechanisms deployed up to this point, so that it can even be accommodated in the steering wheel of a vehicle. In previous methods, the ignition element and an ignition power module which contained circuitry for power supply and/or diagnosis of the ignition element have been accommodated in separate modules contactable via plug connectors. According to German Patent No. 196 10 799, a module housing includes, besides an ignition element generating the thermal energy for igniting an ignition mixture, a circuit element, for instance, for supplying power, for triggering and/or diagnosis of the ignition element. For that purpose, in the module housing, beneath the ignition element, there is a rectangular shaped body in which contact pins for the ignition element are integrated, and on whose sidewalls circuit elements are applied. The rectangular shaped body is used also, both for positioning the contact pins for the ignition element and as a carrier for the circuit elements.
2. Summary of the Invention
An ignition device which is simple to manufacture from a manufacturing technique point of view, and which is easy to handle from an assembly technique point of view is provided. According to this, at least one ignition element and its contact pins are fixed in a capsule. Support means for the switching elements are placed in order on a plug mounting (pedestal) which can be inserted into the capsule. In addition, spring elements are present, which make contact between the circuit elements and the contact pins of the ignition element when the plug mounting is inserted into the capsule. According to the present invention, the ignition device includes two components. One is the capsule with at least one ignition element and appertaining contact pins, and the other is the plug mounting in which the circuit elements are located. The advantage of this division of the ignition device into two parts is, that each part, namely, on the one hand the capsule with the ignition element, and on the other hand the pedestal with the circuit elements, can be manufactured and tested separately. Then the pedestal with the circuit elements can be delivered to various customers for final mounting with the ignition element capsule.
The support means for the circuit elements can be made of at least one substrate, running transversely to the contact pins, whose upper and/or lower side are equipped with circuit elements.
The connecting pins are expediently fixed in the plug mounting, contacting circuit elements at one end, and being brought out of the ignition device at the other end, so that they may be brought into contact with a connecting plug.
On the side of a substrate facing the contact pins of the ignition element, contact surfaces can be provided, on which the spring elements may rest.
In the plug mounting at least one opening can be provided for receiving at least one circuit element. At least one connecting pin embedded in the plug mounting is used to make an electrical connection between this circuit element and one or more other circuit elements. On the plug mounting, the connecting pin is preferably brought out to the outside, and the part of the connecting pin brought out of the plug mounting is extrusion-coated with an insulating plastic. The extrusion-coated connecting pin can be used as an anti-rotation element when plugging the ignition device into a connecting socket.
REFERENCES:
patent: 5054395 (1991-10-01), Vetter et al.
patent: 5327834 (1994-07-01), Atkeson
patent: 6227115 (2001-05-01), Gruber et al.
patent: 35 37 820 (1987-04-01), None
patent: 196 10 799 (1997-09-01), None
Goebel Ulrich
Hoebel Albert-Andreas
Jakob Gert
Nitschke Werner
Rupprecht Stefan
Kenyon & Kenyon
Robert & Bosch GmbH
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