Electrical connection of a movably disposed electrical...

Details Electrical connection of a movably disposed electrical... Electrical connection of a movably disposed electrical...

1998-05-27

2001-05-29

Reichard, Dean A. (Department: 2831)

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

C174S076000, C174S079000, C174S081000

Reexamination Certificate

active

06239372

ABSTRACT:

BACKGROUND OF THE INVENTION
The invention is based on an electrical connection of a movably disposed electrical component with a flexible, elastic conductor track carrier. In one such electrical connection, known from German Patent Application 19 63 76 26, provisions are made to protect the conductor track carrier, in its connection with the movable component, from impacts by embodying the conductor track carrier in looplike fashion in predetermined regions at right angles to the plane of the conductor track carrier. In addition, at the point where the conductor track carrier is deflected into the interior, the conductor track carrier is fixed to a housing edge of the component, so that in the region where it is locally fixed inside this component, the conductor track carrier is no longer exposed to any movements. Nevertheless, from its fastening point on the housing of the movable component, the conductor track carrier is still exposed to vibrating or oscillating motions, which are more and more critical to the conductor track carrier, in terms of potential breakage of the conductor track carrier, the closer it is to the fixed fastening point.
OBJECT AND SUMMARY OF THE INVENTION
The disposition according to the invention of the electrical connection has the advantage over the prior art that no additional cap on the movable component is needed, and that in the region where the conductor track carrier is embedded in the movable component, it is essentially stabilized; this stabilization is then reduced at points that are increasingly distant from the embedding, and the situation then finally returns to the original elastic movability. Thus this conductor track carrier can be installed even in a loop having a change in direction of 180°, for example, while continuing to have the maximum possible radius of deflection.
In an advantageous refinement recited herein, the reinforcement of the conductor track carrier is multi-layered. Especially advantageously, the thickness of the multi-layered reinforcement decreases with increasing distance from the embedding in the electrical component. Moreover, a bending radius of the conductor track carrier can be limited, immediately adjacent where it is embedded in the electrical component, by the provision of a stop, preferably in the form of a part of the electrical component, that limits the bending distance of the elastic conductor track carrier. According to the invention, the embedding can take proper account of the fact of the actual later course of the conductor track carrier, by embedding the conductor track carrier in a preferential position.
The invention will be better understood and further objects and advantages thereof will become more apparent from the ensuing detailed description of a preferred embodiment taken in conjunction with the drawing.


REFERENCES:
patent: 3937870 (1976-02-01), Bumpstead et al.
patent: 4075420 (1978-02-01), Walton
patent: 4350909 (1982-09-01), Yamada
patent: 4626721 (1986-12-01), Ouchi
patent: 4715928 (1987-12-01), Hamby
patent: 4786759 (1988-11-01), Gouverneur
patent: 5035637 (1991-07-01), Mathews et al.
patent: 5574260 (1996-11-01), Broomal et al.
patent: 5589666 (1996-12-01), DeCarlo et al.
patent: 5646372 (1997-07-01), Sasaki et al.
patent: 0 513 263 B1 (1991-11-01), None
patent: 1 117 124 (1956-05-01), None
Design Guidelines For Flexible Circuits pp. 32, 33 and 34 Aug. 1955.

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