Title:
ATTACHMENT DEVICE AND LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2022054170
Kind Code:
A
Abstract:
To provide an attachment device which can prevent a fall of a screw.SOLUTION: An attachment device 37 comprises a screw 110, a washer 116 and an attachment member 111. The screw 110 has a screw part 113, a shaft part 114 and a head part 115 in this order from a tip side. The washer 116 is arranged at the shaft part 114. The attachment member 111 has: an attachment plate part 125; a screw arrangement opening part 130 which is opened at the attachment plate part 125, shallower than the head part 115 and the washer 116 in width, wider than the shaft part 114 in width, and arranged with the shaft part 114 between the head part 115 and the washer 116; and a screw insertion opening part 131 communicating with one end side of the screw arrangement opening part 130, and opened at one end side of the attachment plate part 125. An opening end part 132 wider than the shaft part 114 in width is arranged at one end side of the screw insertion opening part 131, and a fall prevention part 133 which is shallower than the shaft part 114 in width is arranged at the other end side of the screw insertion opening part 131.SELECTED DRAWING: Figure 8
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Inventors:
SUZUKI NORIMASA
Application Number:
JP2020161218A
Publication Date:
April 06, 2022
Filing Date:
September 25, 2020
Export Citation:
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
International Classes:
F21V19/00; F16B41/00; F21S2/00; F21S8/04
Attorney, Agent or Firm:
Satoshi Kabazawa
Tetsuya Yamada
Kabazawa
Tetsuya Yamada
Kabazawa