IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0598989
(2012-08-30)
|
등록번호 |
US-9173249
(2015-10-27)
|
우선권정보 |
JP-2011-200913 (2011-09-14) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
11 |
초록
▼
A steering wheel having a rim portion is provided. The rim portion includes a rim metal core, at least one heating element, which extends around the core, and a coating portion, which coats the heating element. The heating element includes a heat generating member for generating heat when electrifie
A steering wheel having a rim portion is provided. The rim portion includes a rim metal core, at least one heating element, which extends around the core, and a coating portion, which coats the heating element. The heating element includes a heat generating member for generating heat when electrified, a heat transfer sheet, and a flexible heat insulating sheet. The heat transfer sheet transfers heat of the heat generating member to the coating portion. The heat insulating sheet hinders heat of the heat generating member from being transferred to the core. The heat insulating sheet has first and second surfaces. The heat transfer sheet is laid on the first surface. The heat generating member is located between the first surface and the heat transfer sheet. The heating element is affixed to the core at the second surface, while being flexed to conform to the surface of the core.
대표청구항
▼
1. A steering wheel comprising a rim portion, wherein the rim portion includes:an annular rim metal core, which forms a framework of the rim portion and has a surface;at least one heating element, which is arranged on a part in the circumference direction of the rim metal core and extends around the
1. A steering wheel comprising a rim portion, wherein the rim portion includes:an annular rim metal core, which forms a framework of the rim portion and has a surface;at least one heating element, which is arranged on a part in the circumference direction of the rim metal core and extends around the part of the rim metal core; andat least one layer of coating portion, which coats the heating element,the heating element includes:a heat generating member, which generates heat when electrified;a heat transfer sheet, which transfers heat of the heat generating member to the coating portion; anda flexible heat insulating sheet, which hinders heat of the heat generating member from being transferred to the rim metal core,the heat insulating sheet has a first sheet surface and a second sheet surface,the heat generating member is arranged on the first sheet surface of the heat insulating sheet,the heat transfer sheet is laid on the heat generating member and exposed surfaces of the first sheet surface of the heat insulating sheet not covered by the heat generating member,the heating element has a flat shape, which is affixed to the rim metal core at the second sheet surface of the heat insulating sheet, while being flexed to conform to the surface of the rim metal core,the rim metal core has a groove,a filling portion, which contacts the heat insulating sheet, fills the groove, andthe coating portion and the filling; portion are formed to be coupled to each other by molding plastic that has compatibility with the heat insulating sheet. 2. The steering wheel according to claim 1, wherein the heating element includes an adherent layer on the second sheet surface of the heat insulating sheet, and the heating element is affixed to the rim metal core at the adherent layer. 3. The steering wheel according to claim 1, wherein the heating element includes a plurality of cutouts, which are formed in the heat insulating sheet and the heat transfer sheet. 4. The steering wheel according to claim 1, wherein the coating portion is formed by molding plastic. 5. The steering wheel according to claim 1, wherein the rim metal core has a groove,the groove includes an inner wall, which has a pair of opposed flat surface sections,the heating element includes a pair of opposed edges facing each other, andat least one of the opposed edges is located in the groove and is affixed to a corresponding one of the flat surface sections of the groove. 6. The steering wheel according to claim 1, wherein the surface of the rim metal core includes a flat surface section,the heating element includes a pair of opposed edges facing each other, andthe opposed edges arc affixed to the flat surface section of the surface of the rim metal core such that the opposed edges approach each other. 7. A steering wheel comprising a rim portion, wherein the rim portion includes: an annular rim metal core, which forms a framework of the rim portion and has a surface;at least one heating element, which is arranged on a part in the circumference direction of the rim metal core and extends around the part of the rim metal core; andat least one layer of coating portion, which coats the heating element,the heating element includes: a heat generating member, which generates heat when electrified;a heat transfer sheet, which transfers heat of the heat generating member to the coating portion; anda flexible heat insulating sheet, which hinders heat of the heat generating member from being transferred to the rim metal core,the heat insulating sheet has a first sheet surface and a second sheet surface,the heat generating member is arranged on the first sheet surface of the heat insulating sheet,the heat transfer sheet is laid on the heat generating heat insulating sheet and exposed surfaces of the first sheet surface of the heat insulating sheet not covered by the heat generating memberthe heating element has a flat shape and is affixed to the rim metal core at the second sheet surface of the heat insulating sheet, while being flexed to conform to the surface of the rim metal core, andthe heat insulating sheet, the heat generating member and the heat transfer sheet are formed integrally.
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