Pushbutton switch cover sheet and method of manufacturing the same
AssigneePolymatech Co., Ltd.
InventorsDaisuke Nakajima, Junko Hosaka
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AssigneePolymatech Co., Ltd.
InventorsDaisuke Nakajima, Junko Hosaka
Estimating the term…
According to the present invention, there is provided a pushbutton switch cover sheet providing a unique design. A pushbutton switch cover sheet is provided with an operation plate of metal or hard resin having dividing grooves defining depressing operation members capable of displacement through depression. Therefore, there is no need to provide the casing of the apparatus with a frame defining key tops, making it possible to impart a novel design to the apparatus. The operation plate is formed as a thin plate, so it is possible to reduce a thickness of the apparatus as a whole. Further, the dividing grooves are provided with in-groove protrusions protruding into the dividing grooves and groove filling members fixed to the groove inner side surfaces and formed of a rubber-like elastic material, thereby making it possible to provide a pushbutton switch cover sheet of a high level of safety in which there is no fear of fingers being injured by the dividing grooves.
The single operation plate having one depressing operation member and one dividing groove and formed of group consisting of a metal and hard resin;
The in-groove protrusion provided in the base sheet and protruding into the dividing groove of the operation plate.
Dependencies are inferred from the claim text.