HEATER FOR STEERING WHEEL AND METHOD OF MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To provide a heater for steering wheel capable of suppressing occurrence of breaking of wire, occurrence of uneven temperature of the heater body, even when an excessive force is applied instantaneously, while reducing the cost, and to provide a method of manufacturing the same...

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Bibliographische Detailangaben
Hauptverfasser: IIJIMA TATSUYA, HASEGAWA SHIRO, KATSUKI SHIRO, MORI MASAHIRO, KUSAKA SHIGETOSHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a heater for steering wheel capable of suppressing occurrence of breaking of wire, occurrence of uneven temperature of the heater body, even when an excessive force is applied instantaneously, while reducing the cost, and to provide a method of manufacturing the same.SOLUTION: A heater 10 to be attached to the rim of a steering wheel includes a heater body 1, a first electrode 2A connected with one end of the heater body 1 in the longitudinal direction and a second electrode 2B connected with the other end. The heater body 1 has a structure where a plurality of non-conductive yarns 14, and a plurality of heater wires 12 heating upon electrification are woven into mesh, and the ratio of the number of heater wires 12 and non-conductive yarns 14 woven in the heater body 1 is in the range of 1:1-1:2.SELECTED DRAWING: Figure 2 【課題】瞬間的に過度の大きな力が加わった場合であっても断線の発生を抑制でき、またヒータ本体部の温度ムラの発生も抑制でき、かつコストの低減を図ることができるステアリングホイール用ヒータ、およびその製造方法を提供する。【解決手段】ステアリングホイールのリム部に取り付けられるヒータ10であって、ヒータ本体部1と、ヒータ本体部の長手方向の一方の端部に接続した第1電極2Aおよび他方の端部に接続した第2電極2Bと、を備え、ヒータ本体部1は、複数の非導電性糸14と、通電時に発熱する複数のヒータ線12と、が網目状に編まれた構造を有し、ヒータ本体部1におけるヒータ線12と非導電性糸14との編込み本数比率が1:1〜1:2の範囲である。【選択図】図2