Structure of bulb mounting piece for vehicular lamp
AssigneeKoito Manufacturing Co., Ltd.
InventorMakoto Michino
Life of this patent
Estimating the term…
Abstract
A bulb mounting structure for a vehicular lamp having a reflector in which a bulb insertion hole is formed, the structure including a mounting piece for holding a bulb inserted into the bulb insertion hole, the mounting piece comprising a body having a disk-shaped engagement portion engageable with the bulb insertion hole, the disk-shaped engagement portion comprising a concave groove formed in an outer peripheral surface thereof; an elastic seal member received in the concave groove and being depressed against an inner peripheral surface of the bulb insertion hole; wherein a width of the concave groove is larger than a diameter of a cross-section of the elastic seal member.
Claims18
A bulb mounting structure for a vehicular lamp having a reflector in which a bulb insertion hole is formed, comprising:
- a mounting piece for holding a bulb inserted into the bulb insertion hole, said mounting piece comprising a disk-shaped engagement portion engageable with the bulb insertion hole, said disk-shaped engagement portion comprising a concave groove formed in an outer peripheral surface thereof;
- and
- an elastic seal member received in said concave groove and being depressed against an inner peripheral surface of the bulb insertion hole;
- wherein a width of said concave groove is larger than a diameter of a cross-section of said elastic seal member and substantially equal to a dimension of said elastic seal member in a direction of the width of said groove when said elastic seal member is compressed upon mounting of said bulb in the bulb insertion hole.
A vehicular lamp comprising:
- a lamp body;
- a reflector mounted in a lamp body;
- a bulb insertion hole formed in said reflector;
- a bulb mounted in said bulb insertion hole;
- a bulb mounting piece for holding said bulb comprising a disk-shaped engagement portion engageable with said bulb insertion hole, said disk-shaped engagement portion comprising a concave groove formed in an outer peripheral surface thereof;
- and
- an elastic seal member received in said concave groove and being depressed against an inner peripheral surface of the bulb insertion hole;
- wherein a width of said concave groove is larger than a diameter of a cross-section of said elastic seal member and substantially equal to a dimension of said elastic seal member in a direction of the width of said groove when said elastic seal member is compressed upon mounting of said bulb in the bulb insertion hole.
A bulb mounting structure for a vehicular lamp having a reflector in which a bulb insertion hole is formed, comprising:
- a mounting piece for holding a bulb inserted into the bulb insertion hole, said mounting piece comprising a disk-shaped engagement portion engageable with the bulb insertion hole, said disk-shaped engagement portion comprising a concave groove formed in an outer peripheral surface thereof;
- and
- an elastic seal member received in said concave groove and being depressed against an inner peripheral surface of the bulb insertion hole;
- wherein a width of said concave groove is larger than a diameter of a cross-section of said elastic seal member, wherein said elastic seal member comprises an O-ring formed of silicon, and wherein said elastic seal member is subjected to satinizing treatment.
A vehicular lamp comprising:
- a lamp body;
- a reflector mounted in a lamp body;
- a bulb insertion hole formed in said reflector;
- a bulb mounted in said bulb insertion hole;
- a bulb mounting piece for holding said bulb comprising a disk-shaped engagement portion engageable with said bulb insertion hole, said disk-shaped engagement portion comprising a concave groove formed in an outer peripheral surface thereof;
- and
- an elastic seal member received in said concave groove and being depressed against an inner peripheral surface of the bulb insertion hole;
- wherein a width of said concave groove is larger than a diameter of a cross-section of said elastic seal member, wherein said elastic seal member comprises an O-ring formed of silicon and wherein said elastic seal member is subjected to a satinizing treatment.
Dependencies are inferred from the claim text.