Title:
KEY OPERATION DEVICE AND METHOD OF MANUFACTURING KEY
Document Type and Number:
Japanese Patent JP2020194686
Kind Code:
A
Abstract:
To provide a key operation device including keys capable of being identified from other keys even if a printed object is peeled off.SOLUTION: A key operation device 1 includes one or more keys 2 for operating a push button switch or a contact switch. A key top 5 serving as an operation surface of each of the one or more keys 2 is formed in a flat shape. A printed object 6 including an arbitrary character/symbol is printed on the surface of the key top 5, and a groove 8 is formed along the outline of the printed object 6.SELECTED DRAWING: Figure 2
Inventors:
UTSUMI KEIYA
KURATA YASUHIRO
KURATA YASUHIRO
Application Number:
JP2019099087A
Publication Date:
December 03, 2020
Filing Date:
May 28, 2019
Export Citation:
Assignee:
AZBIL CORP
International Classes:
H01H13/02; H01H9/18; H01H11/00
Attorney, Agent or Firm:
Shigeki Yamakawa
Masaki Yamakawa
Masaki Yamakawa