Waterproof/drainage structure for a casing, and electronic devices
First Claim
1. A waterproof/drainage structure for a casing having a plurality of pushbuttons on a surface of the casing, comprising:
- a cover member forming the surface and provided with a plurality of button holes; and
a button unit having the plurality of pushbuttons and a sheet portion retaining the plurality of pushbuttons at predetermined positions, the sheet portion being arranged along a back surface of the cover member and having its outer peripheral portion held in close abut with the cover member, the pushbuttons being inserted in the button holes of the cover member, wherein the sheet portion is provided with a groove-like drainage channel having a channel portion that is opposed to a back surface of each of the plurality of pushbuttons and is larger than a surface area within a maximum outer periphery of the pushbuttons.
2 Assignments
0 Petitions
Accused Products
Abstract
Provided is a waterproof/drainage structure for a lower casing 11 having a plurality of pushbuttons 16 on a surface thereof. The waterproof/drainage structure has a cover member 14 forming the surface and provided with a plurality of button holes 14a, the plurality of pushbuttons 16, and a sheet portion 17 retaining the plurality of pushbuttons 16 at predetermined positions. The waterproof/drainage structure includes a button unit 15, in which the sheet portion 17 is arranged along a back surface 14b of the cover member 14 and in which an outer peripheral portion of the sheet portion 17 is held in close contact with the cover member 14, with the pushbuttons 16 being inserted in button holes 14c of the cover member 14. The sheet portion 17 is provided with a groove-like drainage channel 22 having a channel portion that is opposed to each of the pushbuttons 16 and is larger than a surface area within a maximum outer periphery of the pushbuttons 16.
54 Citations
18 Claims
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1. A waterproof/drainage structure for a casing having a plurality of pushbuttons on a surface of the casing, comprising:
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a cover member forming the surface and provided with a plurality of button holes; and
a button unit having the plurality of pushbuttons and a sheet portion retaining the plurality of pushbuttons at predetermined positions, the sheet portion being arranged along a back surface of the cover member and having its outer peripheral portion held in close abut with the cover member, the pushbuttons being inserted in the button holes of the cover member, wherein the sheet portion is provided with a groove-like drainage channel having a channel portion that is opposed to a back surface of each of the plurality of pushbuttons and is larger than a surface area within a maximum outer periphery of the pushbuttons. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An electronic device comprising a casing having a plurality of pushbuttons provided on a surface of the casing, the casing including:
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a cover member forming the surface and provided with a plurality of button holes; and
a button unit having the plurality of pushbuttons and a sheet portion retaining the plurality of pushbuttons at predetermined positions, the sheet portion being arranged along a back surface of the cover member and having an outer peripheral portion of the sheet portion held in close contact with the cover member, the pushbuttons being inserted in the button holes of the cover member, wherein the sheet portion is provided with a groove-like drainage channel having a channel portion that is opposed to each of the plurality of pushbuttons and is larger than a surface area within a maximum outer periphery of the pushbuttons. - View Dependent Claims (17, 18)
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Specification