Title:
キーユニット及び電子機器
Document Type and Number:
Japanese Patent JP7081618
Kind Code:
B2
Abstract:
To provide an electronic device allowing a stable keystroke on a key of a key sheet even in a case where the positional relation between the key top and the key support part is limited.SOLUTION: An electronic device 10 includes a built-in case 20 accommodating a key unit in which keys are arranged in a left-to-right direction and a front-to-rear direction, keys arranged on a rear end side of the entire keys each have a key top 80 having an operation surface and a support member 70 supporting the key top 80 on a sheet base 60 via an elastic deformation part, the elastic deformation part has a front-side buckled part 61 provided on a front end side of the operation surface and a rear-side buckled part 62 provided on a rear end side of the operation surface, and a distance t1 from a middle position N of the operation surface to the front-side buckled part 61 is longer than a distance t2 from the middle position the operation surface to the rear-side buckled part 62, and an elastic coefficient of the first elastic deformation part is set to be smaller than an elastic coefficient of the rear-side buckled part 62.SELECTED DRAWING: Figure 3
Inventors:
Yoshiyuki Shimada
Tomoatsu Sato
Triangle sum rule
Fukaya Shoichi
Tomoatsu Sato
Triangle sum rule
Fukaya Shoichi
Application Number:
JP2020053997A
Publication Date:
June 07, 2022
Filing Date:
March 25, 2020
Export Citation:
Assignee:
CASIO COMPUTER CO.,LTD.
International Classes:
H01H13/14; H01H13/70
Domestic Patent References:
| JP56099721U | ||||
| JP2019121594A |
Attorney, Agent or Firm:
Masatoshi Kurata
Nobuhisa Nogawa
Tadashi Inoue
Naoki Kono
Shigeru Iino
Sanae Kaneko
Nobuhisa Nogawa
Tadashi Inoue
Naoki Kono
Shigeru Iino
Sanae Kaneko