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US 6,204,462 B1Granted
Stable keyswitch
AssigneeSilitek Corporation
InventorGear Huang
Life of this patent
Estimating the term…
Abstract
An improved keyswitch comprises a stage having a mounting hole and a keycap having a plunger on bottom thereof. The plunger is movably arranged within the plunger. At least one guiding rib is provided within the stage or on lateral side of the keycap; and at least one groove corresponding to the guiding rib is provided on lateral side of the keycap or within the stage, the guiding rib fit within the groove such that the keycap is movable upward and downward within the mounting hole without shaking. The keycap is in contact with the stage on lateral side thereof, the friction therebetween is reduced.
Claims4
A stable keyswitch comprising:
- a stage having a mounting hole and a base surrounding the mounting hole, the base having a flange portion overlaying a portion of said mounting hole;
- and,
- a keycap having a plunger extending from a bottom thereof, the keycap being movably arranged within the stage for displacing the plunger, the keycap including a circumferential outwardly extended skirt formed on a lower end thereof, one of the stage within the mounting hole or on a lateral side of the skirt of the keycap being formed with at least one guiding rib thereon, and an opposite one of lateral side of the skirt of the keycap or the stage within mounting hole having at least one groove formed therein corresponding to the at least one guiding rib, the at least one guiding rib being disposed within the at least one groove such that the keycap is movable upward and downward within the mounting hole without shaking, upward movement of the keycap being limited by the skirt contacting the flange portion of the base.
Dependencies are inferred from the claim text.