Device for transferring a signal between two end points which are movable relative to each other

• US 5,334,023 A
• Filed: 05/17/1993
• Issued: 08/02/1994
• Est. Priority Date: 05/19/1992
• Status: Expired due to Fees

• Current Assignee: Kabelmetal Electro Gesellschaft Mit Beschrankter Haftung
• Original Assignee: Kabelmetal Electro Gesellschaft Mit Beschrankter Haftung
• Inventors: Neuner, Andreas, Schauer, Friedrich
• Primary Examiner(s): DESMOND, EUGENE
• Application Number:
  US08/063,002
• Time in Patent Office: 442 Days
• Field of Search: 439/15, 439/164
• US Class Current: 439/164
• CPC Class Codes: B60R 16/027 between relatively movable parts of the vehicle, e.g. between steering wheel and column devices for measuring, signalling or controlling tyre pressure or temperature specially adapted for mounting on vehicles B60C23/00
• CPC Class Codes: H01R 35/025 having a flexible conductor wound around a rotation axis
• CPC Class Codes: H02G 11/02 using take-up reel or drum

Abstract

A device for transferring a signal has two end points (6, 8) between which a conductor (10) extends in spiral turns and is arranged within a substantially circular cassette (K). The cassette (K) consists of two parts, a rotor (11) which is turnable about its axis and a stationary stator (12) which surrounds the circumference of the rotor and encloses the conductor (10). On the rotor (11) there is an outward protruding extension (15) for receiving a screw (16) which is displaceable in the axial direction of the cassette (K), and serves for a locking of rotor (11) and stator (12). There is also present on the rotor (11) a spring element (17) which is displaceable by means of a screw (16) and which, in mounting position of the cassette (K), is held firmly on the stator (12) and, in the working position of the cassette (K), is separated from the stator (12) by a space.

Claims

1. A device for transferring a signal between two end points comprising:

a substantially circular cassette, and a coiled conductor which is contained in the cassette and interconnects the two end points, wherein the two end points are arranged on the cassette for receiving further extending conductors attachable at the two end points, the length of said conductor being substantially greater than a distance between the two end points, and at least one of the two end points being movable relative to the other, the cassette comprising a stationary stator and a turnable rotor, the device further comprising;

a screw and an outwardly protruding projection for reception of the screw, the screw being displaceable in axial direction of the cassette, the projection being located radially outward of a center of the rotor and adjacent to an interface with the stator and extending from the rotor; and

a spring element disposed on the rotor, the spring element being displaceable by the screw upon a contacting of the spring element by the screw to be applied firmly against the stator in a mounting position of the cassette; and

wherein in a working position of the cassette, the spring element is separated by a distance from the stator upon retraction of the screw.

2. A device according to claim 1, wherein

the spring element is a leaf spring fastened to the rotor.

3. A device according to claim 1, wherein

the rotor is made of plastic, and the spring element is formed in unitary construction with the rotor.

4. A device for transferring a signal between two end points comprising:

a substantially circular cassette, and a coiled conductor which is contained in the cassette and interconnects the two end points, wherein the two end points are arranged on the cassette for receiving further extending conductors attachable at the two end points, the length of said conductor being substantially greater than a distance between the two end points, and at least one of the two end points being movable relative to the other, the cassette comprising a stationary stator and a turnable rotor, the device further comprising;

a screw displaceable in axial direction of the cassette, the screw being located radially outward of a center of the rotor and adjacent to an interface with the stator and extending from the rotor; and

a spring element disposed on the rotor and extending over the interface, the spring element being displaceable by the screw upon a contacting of the spring element by the screw to be applied firmly against the stator in a mounting position of the cassette; and

wherein in a working position of the cassette, the spring element is separated by a distance from the stator upon retraction of the screw.