IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0636878
(2009-12-14)
|
등록번호 |
US-8393771
(2013-03-12)
|
우선권정보 |
JP-2008-320894 (2008-12-17); JP-2009-139439 (2009-06-10) |
발명자
/ 주소 |
- Kawamura, Naoshi
- Yashiki, Satoru
|
출원인 / 주소 |
- Koito Manufacturing Co., Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
7 |
초록
▼
A vehicle headlamp including a discharge lamp, which includes a light source, and a cap that holds the light source. The vehicle headlamp also includes a reflector, which includes a light reflecting part and a lamp holding part formed contiguously with one end of the light reflecting part. The vehic
A vehicle headlamp including a discharge lamp, which includes a light source, and a cap that holds the light source. The vehicle headlamp also includes a reflector, which includes a light reflecting part and a lamp holding part formed contiguously with one end of the light reflecting part. The vehicle headlamp also includes a socket connected to the cap, which supplies drive current to the lamp. The socket includes a case that holds a structure disposed therein, and a connection portion, which is connected to the cap and which protrudes toward the cap from an opposite surface of the case facing the cap. A conductive member is mounted on the lamp holding part to transmit noise generated when the lamp is turned on and a conducting portion is formed on the opposite surface of the case to surround the connection portion. The conductive member and the conducting portion are connected.
대표청구항
▼
1. A vehicle headlamp comprising: a discharge lamp, comprising: a light source that emits light, anda cap that holds the light source;a reflector comprising: a light reflecting part that reflects the light emitted from the light source, anda lamp holding part, which is formed contiguously with one e
1. A vehicle headlamp comprising: a discharge lamp, comprising: a light source that emits light, anda cap that holds the light source;a reflector comprising: a light reflecting part that reflects the light emitted from the light source, anda lamp holding part, which is formed contiguously with one end of the light reflecting part and which holds the cap; anda socket, which is connected to the cap and which supplies drive current to the discharge lamp, the socket comprising: a case, anda connection portion, which is connected to the cap, and which protrudes toward the cap from a surface of the case facing the cap,a conductive member mounted on the lamp holding part to transmit noise generated when the discharge lamp is turned on, anda conducting portion formed on the surface of the case facing the cap, the conducting portion surrounding the connection portion, andwherein the conductive member and the conducting portion are connected to each other in a same connection direction along which the cap is inserted into the connection portion. 2. The vehicle headlamp according to claim 1, wherein the case holds a starting circuit which turns on the discharge lamp. 3. The vehicle headlamp according to claim 1, wherein the conductive member is a leaf spring member, which includes a connection piece that is elastically deformable in the connection direction. 4. The vehicle headlamp according to claim 3, wherein when the connection portion of the socket is connected to the cap, the socket is moved with respect to the lamp holding part to approach the discharge lamp, and the conducting portion is pressed against the connection piece such that the connection piece is elastically deformed. 5. The vehicle headlamp according to claim 1, further comprising: a fixing member comprising: a supported portion that is supported by the lamp holding part of the reflector; anda pressing portion that presses the cap against the lamp holding part to fix the cap to the lamp holding part, andwherein the supported portion and a part of the conductive member are mounted on the lamp holding part by a single mounting screw. 6. The vehicle headlamp according to claim 1, wherein the conductive member comprises: a connection restricting protrusion that prevents the connection portion from being connected to the cap in a wrong direction. 7. The vehicle headlamp according to claim 1, wherein the conductive member comprises: a mounted surface portion, which is mounted on a rear of the lamp holding part;a connection-surface portion, which protrudes rearward from a first side edge of the mounted surface portion; anda connection piece, which is bent from a rear edge of the connection-surface portion and is compressed in the connection direction. 8. The vehicle headlamp according to claim 7, wherein the conductive member further comprises: a connection restricting protrusion, which protrudes rearward from a second side edge of the mounted surface portion, the second side edge disposed opposite to the first side edge;wherein the socket further comprises a contact pin, which protrudes forward from an end portion of the socket; and wherein the connection restricting protrusion engages the contact pin to prevent connection of the socket to the cap, if the socket is positioned in a wrong direction.
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