Title:
ベース付きランプおよび加熱装置
Document Type and Number:
Japanese Patent JP7229464
Kind Code:
B2
Abstract:
To provide a structure in which a stress load is not applied by following the thermal expansion of a device in which a lamp is incorporated while maintaining the dimensional accuracy in the axial direction in a lamp with a base that includes a filament lamp having an arc tube and a sealing portion provided at its end, and in which an external lead protrudes from the sealing portion, and a base into which the sealing portion is fitted.SOLUTION: A plate-shaped power supply terminal accommodated in an accommodation space of a base is rotated from a position of being inserted into a terminal insertion hole of the base, and an external lead and the power feeding terminal are welded together such that the power supply terminal is separated from the inner wall surface of the accommodation space on the sealing portion side, and the base is configured to be movable in the axial direction.SELECTED DRAWING: Figure 2
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Inventors:
Yuya Terao
Kawamura Tadakazu
Kawamura Tadakazu
Application Number:
JP2019159236A
Publication Date:
February 28, 2023
Filing Date:
September 02, 2019
Export Citation:
Assignee:
Ushio, Inc.
International Classes:
H01K1/46; H01K3/16; H01K5/02; H01K7/00; H05B3/02
Domestic Patent References:
| JP2005158568A | ||||
| JP2011141980A | ||||
| JP2012048830A | ||||
| JP2015082075A | ||||
| JP2017191673A |
Foreign References:
| GB2176587A |
Attorney, Agent or Firm:
Tsutomu Igarata