To provide a seat heater capable of suppressing disconnection of a heater wire.SOLUTION: In a seat heater 20, a heater wire 40 has U-turn wiring parts 43 that extend in an X-axis plus direction of a seat and are U-turned in an X-axis minus direction opposite to the X-axis plus direction, a curve wiring part 44 that is a portion other than the U-turn wiring parts 43 and is curved, a first wiring part 45a continuous to the curve wiring part 44 and a second wiring part 45b that is continuous to the first wiring part 45a and is linear, and is sewn with a first sewing pitch that is a sewing pitch with which the U-turn wiring parts 43 and the curve wiring part 44 are sewn to a base material 30 and a second sewing pitch that is a sewing pitch larger than the first sewing pitch and with which the second wiring part 45b is sewn to the base material 30. The first wiring part 45a is sewn to the base material 30 with a sewing pitch gradually larger from the first sewing pitch to the second sewing pitch.SELECTED DRAWING: Figure 3

    【課題】ヒータ線の断線を抑制することができるシートヒータを提供する。【解決手段】シートヒータ20において、ヒータ線40は、座席のX軸プラス方向に延びてX軸プラス方向と反対のX軸マイナス方向にUターンしているUターン配線部43と、Uターン配線部43以外の部分であり曲線状の曲線配線部44と、曲線配線部44と連続している第1配線部45aと、第1配線部45aと連続している直線状の第2配線部45bとを有し、Uターン配線部43及び曲線配線部44を基材30に縫い付ける縫い目の第1縫製ピッチと、第1縫製ピッチよりも大きい縫製ピッチであり、第2配線部45bを基材30に縫い付ける縫い目の第2縫製ピッチとで縫い付けられている。第1配線部45aは、第1縫製ピッチから第2縫製ピッチに至るまで、次第に大きくなる縫製ピッチで、基材30に縫い付けられている。【選択図】図3


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    Titel :

    SEAT HEATER


    Weitere Titelangaben:

    シートヒータ


    Beteiligte:
    YOSHIMOTO KOJI (Autor:in) / IWASA MAKOTO (Autor:in)

    Erscheinungsdatum :

    2021-03-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / A47C Stühle , CHAIRS



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