Rotary connector and connecting structure of flexible cable and lead block used therein
AssigneeAlps Electric Co., Ltd.
InventorsShunji Araki, Ichiro Shirako
Life of this patent
Estimating the term…
Abstract
A flexible cable is constructed in a band-like shape by sandwiching a plurality of conductive wires with a pair of insulating films, and a lead block is constructed by fixing a plurality of joint bars to a resin body. In a connecting structure of the flexible cable and the lead block, a part of one of the insulating films is removed so that the conductive wires are exposed at an end of the flexible cable. In addition, through holes for preventing deformation are formed in the remaining insulating film at positions between the exposed parts of the conductive wires. The exposed parts of the conductive wires are connected to the joint bars at positions close to the through holes by ultrasonic welding.
Claims4
A rotary connector comprising:
- a pair of housings which are concentrically disposed and are linked together so as to be rotatable relative to each other;
- a flexible cable which is contained in a space between the housings in such a manner that the flexible cable is able to be wound and loosened therein, and which is formed in a band-like shape by sandwiching a plurality of conductive wires with two insulating films;
- and
- a lead block which is connected to an end of the flexible cable and has such a construction that a plurality of joint bars which are conductive are supported by an insulating supporter;
- wherein, in a part of the flexible cable which is connected to the lead block, one of the two insulating films is removed so that the end portions of the conductive wires are exposed at the remaining insulating film, through holes being formed in the remaining insulating film at positions between the exposed conductive wires, and the exposed conductive wires being electrically connected to the joint bars at positions close to the through holes.
A connecting structure of a flexible cable and a lead block, comprising:
- a flexible cable which is formed in a band-like shape by sandwiching a plurality of conductive wires with two insulating films;
- and
- a lead block which has such a construction that a plurality of conductive joint bars are supported by an insulating supporter;
- wherein, in a part of the flexible cable which is connected to the lead block, one of the two insulating films is removed so that the end portions of the conductive wires are exposed at the remaining insulating film, through holes being formed in the remaining insulating film at positions between the exposed conductive wires, and the exposed conductive wires being electrically connected to the joint bars at positions close to the through holes.
Dependencies are inferred from the claim text.